28227968640

Names of 28227968640

• Cardinal: 28227968640 can be written as Twenty-eight billion, two hundred twenty-seven million, nine hundred sixty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.822796864 × 10¹⁰

Factors of 28227968640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 303

Divisors of 28227968640

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 41 45 48 54 57 60 64 72 76 80 81 82 90 95 96 108 114 120 123 128 135 144 152 160 162 164 171 180 190 192 205 216 228 233 240 243 246 270 285 288 304 320 324 328 342 360 369 380 384 405 410 432 456 466 480 486 492 513 540 570 576 608 615 640 648 656 684 699 720 738 760 779 810 820 855 864 912 932 960 972 984 1026 1080 1107 1140 1152 1165 1215 1216 1230 1296 1312 1368 1398 1440 1476 1520 1539 1558 1620 1640 1710 1728 1824 1845 1864 1920 1944 1968 2052 2097 2160 2214 2280 2330 2337 2430 2432 2460 2565 2592 2624 2736 2796 2880 2952 3040 3078 3116 3240 3280 3321 3420 3456 3495 3648 3690 3728 3888 3895 3936 4104 4194 4320 4427 4428 4560 4617 4660 4674 4860 4920 5130 5184 5248 5472 5535 5592 5760 5904 6080 6156 6232 6291 6480 6560 6642 6840 6990 7011 7296 7380 7456 7695 7776 7790 7872 8208 8388 8640 8854 8856 9120 9234 9320 9348 9553 9720 9840 9963 10260 10368 10485 10944 11070 11184 11685 11808 12160 12312 12464 12582 12960 13120 13281 13284 13680 13980 14022 14760 14912 15390 15552 15580 15744 16416 16605 16776 17280 17708 17712 18240 18468 18640 18696 18873 19106 19440 19680 19926 20520 20970 21033 21888 22135 22140 22368 23085 23370 23616 24624 24928 25164 25920 26240 26562 26568 27360 27960 28044 28659 29520 29824 30780 31104 31160 31455 32832 33210 33552 35055 35416 35424 36480 36936 37280 37392 37746 38212 38880 39360 39843 39852 41040 41940 42066 44270 44280 44736 46170 46740 47232 47765 49248 49815 49856 50328 51840 53124 53136 54720 55920 56088 56619 57318 59040 61560 62320 62910 63099 65664 66405 66420 67104 70110 70832 70848 73872 74560 74784 75492 76424 77760 78720 79686 79704 82080 83880 84132 85977 88540 88560 89472 92340 93480 94365 95530 98496 99630 99712 100656 105165 106248 106272 109440 111840 112176 113238 114636 118080 119529 123120 124640 125820 126198 132810 132840 134208 140220 141664 141696 143295 147744 149120 149568 150984 152848 155520 159372 159408 164160 167760 168264 171954 177080 177120 181507 184680 186960 188730 189297 191060 196992 199215 199260 201312 210330 212496 212544 223680 224352 226476 229272 236160 239058 246240 249280 251640 252396 257931 265620 265680 268416 280440 283095 283328 286590 295488 299136 301968 305696 315495 318744 318816 328320 335520 336528 343908 354160 354240 358587 363014 369360 373920 377460 378594 382120 398430 398520 402624 420660 424992 425088 429885 447360 448704 452952 458544 478116 492480 498560 503280 504792 515862 531240 531360 544521 560880 566190 566656 573180 590976 597645 603936 611392 630990 637488 637632 671040 673056 687816 708320 708480 717174 726028 738720 747840 754920 757188 764240 773793 796860 797040 805248 841320 849984 859770 897408 905904 907535 917088 946485 956232 984960 1006560 1009584 1031724 1062480 1062720 1075761 1089042 1121760 1132380 1146360 1195290 1207872 1222784 1261980 1274976 1275264 1289655 1342080 1346112 1375632 1416640 1434348 1452056 1477440 1495680 1509840 1514376 1528480 1547586 1593720 1594080 1633563 1682640 1699968 1719540 1792935 1811808 1815070 1834176 1892970 1912464 2013120 2019168 2063448 2124960 2125440 2151522 2178084 2243520 2264760 2292720 2321379 2390580 2415744 2523960 2549952 2579310 2692224 2722605 2751264 2833280 2868696 2904112 2954880 3019680 3028752 3056960 3095172 3187440 3188160 3267126 3365280 3439080 3585870 3623616 3630140 3668352 3785940 3824928 3868965 4026240 4038336 4126896 4249920 4303044 4356168 4487040 4529520 4585440 4642758 4781160 4900689 5047920 5099904 5158620 5378805 5445210 5502528 5737392 5808224 6039360 6057504 6113920 6190344 6374880 6376320 6534252 6730560 6878160 7171740 7247232 7260280 7571880 7649856 7737930 8076672 8167815 8253792 8499840 8606088 8712336 9059040 9170880 9285516 9562320 9801378 10095840 10317240 10757610 10890420 11005056 11474784 11606895 11616448 12078720 12115008 12380688 12749760 13068504 13461120 13756320 14343480 14520560 14702067 15143760 15299712 15475860 16335630 16507584 17212176 17424672 18118080 18341760 18571032 19124640 19602756 20191680 20634480 21515220 21780840 22949568 23213790 23232896 24230016 24503445 24761376 25499520 26137008 27512640 28686960 29041120 29404134 30287520 30951720 32671260 33015168 34424352 34849344 36236160 37142064 38249280 39205512 40383360 41268960 43030440 43561680 44106201 45899136 46427580 49006890 49522752 52274016 55025280 57373920 58082240 58808268 60575040 61903440 65342520 68848704 69698688 73510335 74284128 76498560 78411024 82537920 86060880 87123360 88212402 92855160 98013780 99045504 104548032 114747840 116164480 117616536 121150080 123806880 130685040 137697408 147020670 148568256 156822048 165075840 172121760 174246720 176424804 185710320 196027560 209096064 220531005 229495680 235233072 247613760 261370080 294041340 297136512 313644096 344243520 348493440 352849608 371420640 392055120 441062010 470466144 495227520 522740160 588082680 627288192 688487040 705699216 742841280 784110240 882124020 940932288 1045480320 1176165360 1411398432 1485682560 1568220480 1764248040 1881864576 2352330720 2822796864 3136440960 3528496080 4704661440 5645593728 7056992160 9409322880 14113984320 28227968640
• Sum of all divisors σ(n): 109468195200
• Sum of proper divisors (its aliquot sum) s(n): 81240226560
• 28227968640 is an abundant number, because the sum of its proper divisors (81240226560) is greater than itself. Its abundance is 53012257920

Bases of 28227968640

• Binary: 11010010010100001001001111010000000₂
• Hexadecimal: 0x692849E80
• Base-36: CYU7C00

Squares and roots of 28227968640

• 28227968640 squared (28227968640²) is 796818213540823449600
• 28227968640 cubed (28227968640³) is 22492559543611187695085420544000
• The square root of 28227968640 is 168011.8110133927
• The cube root of 28227968640 is 3044.8077434489

Scales and comparisons

• 28,227,968,640 seconds is equal to 897 years, 29 weeks, 1 day, 14 hours, 24 minutes.
• To count from 1 to 28,227,968,640 would take you about one thousand, seven hundred ninety-five 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 28227968640 cubic inches would be around 253.7 feet tall.

Recreational maths with 28227968640

• 28227968640 backwards is 04686972282
• 28227968640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28227968640's digits is 54
• More coming soon!