28919278927872

Names of 28919278927872

• Cardinal: 28919278927872 can be written as Twenty-eight trillion, nine hundred nineteen billion, two hundred seventy-eight million, nine hundred twenty-seven thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 2.8919278927872 × 10¹³

Factors of 28919278927872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 29
• Sum of prime factors: 105

Divisors of 28919278927872

• Number of divisors d(n): 816
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 47 48 53 54 64 72 81 94 96 106 108 128 141 144 159 162 188 192 212 216 243 256 282 288 318 324 376 384 423 424 432 477 486 512 564 576 636 648 729 752 768 846 848 864 954 972 1024 1128 1152 1269 1272 1296 1431 1458 1504 1536 1692 1696 1728 1908 1944 2048 2187 2256 2304 2491 2538 2544 2592 2862 2916 3008 3072 3384 3392 3456 3807 3816 3888 4096 4293 4374 4512 4608 4982 5076 5088 5184 5724 5832 6016 6144 6561 6768 6784 6912 7473 7614 7632 7776 8192 8586 8748 9024 9216 9964 10152 10176 10368 11421 11448 11664 12032 12288 12879 13122 13536 13568 13824 14946 15228 15264 15552 16384 17172 17496 18048 18432 19683 19928 20304 20352 20736 22419 22842 22896 23328 24064 24576 25758 26244 27072 27136 27648 29892 30456 30528 31104 32768 34263 34344 34992 36096 36864 38637 39366 39856 40608 40704 41472 44838 45684 45792 46656 48128 49152 51516 52488 54144 54272 55296 59049 59784 60912 61056 62208 65536 67257 68526 68688 69984 72192 73728 77274 78732 79712 81216 81408 82944 89676 91368 91584 93312 96256 98304 102789 103032 104976 108288 108544 110592 115911 118098 119568 121824 122112 124416 134514 137052 137376 139968 144384 147456 154548 157464 159424 162432 162816 165888 177147 179352 182736 183168 186624 192512 196608 201771 205578 206064 209952 216576 217088 221184 231822 236196 239136 243648 244224 248832 269028 274104 274752 279936 288768 294912 308367 309096 314928 318848 324864 325632 331776 347733 354294 358704 365472 366336 373248 385024 403542 411156 412128 419904 433152 434176 442368 463644 472392 478272 487296 488448 497664 538056 548208 549504 559872 577536 589824 605313 616734 618192 629856 637696 649728 651264 663552 695466 708588 717408 730944 732672 746496 770048 807084 822312 824256 839808 866304 868352 884736 925101 927288 944784 956544 974592 976896 995328 1043199 1076112 1096416 1099008 1119744 1155072 1210626 1233468 1236384 1259712 1275392 1299456 1302528 1327104 1390932 1417176 1434816 1461888 1465344 1492992 1540096 1614168 1644624 1648512 1679616 1732608 1736704 1769472 1815939 1850202 1854576 1889568 1913088 1949184 1953792 1990656 2086398 2152224 2192832 2198016 2239488 2310144 2421252 2466936 2472768 2519424 2550784 2598912 2605056 2654208 2775303 2781864 2834352 2869632 2923776 2930688 2985984 3080192 3129597 3228336 3289248 3297024 3359232 3465216 3473408 3631878 3700404 3709152 3779136 3826176 3898368 3907584 3981312 4172796 4304448 4385664 4396032 4478976 4620288 4842504 4933872 4945536 5038848 5101568 5197824 5210112 5308416 5447817 5550606 5563728 5668704 5739264 5847552 5861376 5971968 6259194 6456672 6578496 6594048 6718464 6930432 7263756 7400808 7418304 7558272 7652352 7796736 7815168 7962624 8325909 8345592 8608896 8771328 8792064 8957952 9240576 9388791 9685008 9867744 9891072 10077696 10203136 10395648 10420224 10895634 11101212 11127456 11337408 11478528 11695104 11722752 11943936 12518388 12913344 13156992 13188096 13436928 13860864 14527512 14801616 14836608 15116544 15304704 15593472 15630336 15925248 16343451 16651818 16691184 17217792 17542656 17584128 17915904 18777582 19370016 19735488 19782144 20155392 20406272 20791296 21791268 22202424 22254912 22674816 22957056 23390208 23445504 23887872 25036776 25826688 26313984 26376192 26873856 27721728 29055024 29603232 29673216 30233088 30609408 31186944 31260672 32686902 33303636 33382368 34435584 35085312 35168256 35831808 37555164 38740032 39470976 39564288 40310784 40812544 41582592 43582536 44404848 44509824 45349632 45914112 46780416 46891008 47775744 49030353 50073552 51653376 52627968 52752384 53747712 58110048 59206464 59346432 60466176 61218816 62373888 65373804 66607272 66764736 68871168 70170624 70336512 71663616 75110328 77480064 78941952 79128576 80621568 81625088 83165184 87165072 88809696 89019648 90699264 91828224 93560832 93782016 98060706 100147104 103306752 105255936 105504768 107495424 116220096 118412928 118692864 120932352 122437632 124747776 130747608 133214544 133529472 137742336 140341248 140673024 143327232 147091059 150220656 154960128 157883904 158257152 161243136 163250176 174330144 177619392 178039296 181398528 183656448 187121664 196121412 200294208 206613504 210511872 211009536 214990848 232440192 236825856 237385728 241864704 244875264 249495552 261495216 266429088 267058944 275484672 280682496 281346048 294182118 300441312 309920256 315767808 316514304 322486272 348660288 355238784 356078592 362797056 367312896 374243328 392242824 400588416 413227008 421023744 422019072 429981696 441273177 464880384 473651712 474771456 483729408 489750528 522990432 532858176 534117888 550969344 561364992 588364236 600882624 619840512 631535616 633028608 644972544 697320576 710477568 712157184 725594112 734625792 748486656 784485648 801176832 826454016 842047488 844038144 882546354 929760768 947303424 949542912 967458816 1045980864 1065716352 1068235776 1101938688 1122729984 1176728472 1201765248 1239681024 1263071232 1266057216 1289945088 1394641152 1420955136 1424314368 1451188224 1469251584 1568971296 1602353664 1652908032 1684094976 1765092708 1859521536 1894606848 1899085824 1934917632 2091961728 2131432704 2136471552 2203877376 2245459968 2353456944 2403530496 2479362048 2526142464 2532114432 2789282304 2841910272 2848628736 2902376448 3137942592 3204707328 3305816064 3368189952 3530185416 3719043072 3789213696 3798171648 3869835264 4183923456 4262865408 4272943104 4407754752 4706913888 4807060992 4958724096 5052284928 5578564608 5683820544 5697257472 5804752896 6275885184 6409414656 6611632128 6736379904 7060370832 7438086144 7578427392 7596343296 8367846912 8525730816 8545886208 9413827776 9614121984 9917448192 10104569856 11157129216 11367641088 11394514944 11609505792 12551770368 12818829312 13223264256 14120741664 14876172288 15156854784 16735693824 17051461632 17091772416 18827655552 19228243968 19834896384 20209139712 22314258432 22735282176 22789029888 25103540736 25637658624 28241483328 29752344576 30313709568 33471387648 34102923264 34183544832 37655311104 38456487936 39669792768 44628516864 45470564352 50207081472 51275317248 56482966656 59504689152 60627419136 66942775296 68205846528 68367089664 75310622208 76912975872 89257033728 90941128704 100414162944 102550634496 112965933312 119009378304 133885550592 136411693056 150621244416 153825951744 178514067456 181882257408 200828325888 205101268992 225931866624 267771101184 272823386112 301242488832 307651903488 357028134912 401656651776 451863733248 535542202368 545646772224 602484977664 615303806976 803313303552 903727466496 1071084404736 1204969955328 1606626607104 1807454932992 2409939910656 3213253214208 3614909865984 4819879821312 7229819731968 9639759642624 14459639463936 28919278927872
• Sum of all divisors σ(n): 90274658423040
• Sum of proper divisors (its aliquot sum) s(n): 61355379495168
• 28919278927872 is an abundant number, because the sum of its proper divisors (61355379495168) is greater than itself. Its abundance is 32436100567296

Bases of 28919278927872

• Binary: 110100100110101001011010110010000000000000000₂
• Hexadecimal: 0x1A4D4B590000
• Base-36: A91C00000

Squares and roots of 28919278927872

• 28919278927872 squared (28919278927872²) is 836324693708061493778448384
• 28919278927872 cubed (28919278927872³) is 24185907091610547379960653580743210958848
• The square root of 28919278927872 is 5377664.8210791271
• The cube root of 28919278927872 is 30694.6359388495

Scales and comparisons

• 28,919,278,927,872 seconds is equal to 919,543 years, 32 weeks, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,919,278,927,872 would take you about two million, two hundred ninety-eight thousand, eight hundred fifty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 28919278927872 cubic inches would be around 2557.9 feet tall.

Recreational maths with 28919278927872

• 28919278927872 backwards is 27872987291982
• 28919278927872 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28919278927872's digits is 81
• More coming soon!