28197123840

Names of 28197123840

• Cardinal: 28197123840 can be written as Twenty-eight billion, one hundred ninety-seven million, one hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.819712384 × 10¹⁰

Factors of 28197123840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 324

Divisors of 28197123840

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 32 36 40 45 48 54 60 62 64 72 80 81 90 93 96 108 120 124 128 135 144 155 160 162 180 186 192 216 240 248 256 270 279 283 288 310 320 324 360 372 384 405 432 465 480 496 540 558 566 576 620 640 648 720 744 768 810 837 849 864 930 960 961 992 1080 1116 1132 1152 1240 1280 1296 1395 1415 1440 1488 1620 1674 1698 1728 1860 1920 1922 1984 2160 2232 2264 2304 2480 2511 2547 2592 2790 2830 2880 2883 2976 3240 3348 3396 3456 3720 3840 3844 3968 4185 4245 4320 4464 4528 4805 4960 5022 5094 5184 5580 5660 5760 5766 5952 6480 6696 6792 6912 7440 7641 7688 7936 8370 8490 8640 8649 8773 8928 9056 9610 9920 10044 10188 10368 11160 11320 11520 11532 11904 12555 12735 12960 13392 13584 14415 14880 15282 15376 16740 16980 17280 17298 17546 17856 18112 19220 19840 20088 20376 20736 22320 22640 22923 23064 23808 25110 25470 25920 25947 26319 26784 27168 28830 29760 30564 30752 33480 33960 34560 34596 35092 35712 36224 38205 38440 39680 40176 40752 43245 43865 44640 45280 45846 46128 50220 50940 51840 51894 52638 53568 54336 57660 59520 61128 61504 66960 67920 69192 70184 71424 72448 76410 76880 77841 78957 80352 81504 86490 87730 89280 90560 91692 92256 100440 101880 103680 103788 105276 107136 108672 114615 115320 119040 122256 123008 129735 131595 133920 135840 138384 140368 152820 153760 155682 157914 160704 163008 172980 175460 178560 181120 183384 184512 200880 203760 207576 210552 214272 217344 229230 230640 236871 244512 246016 259470 263190 267840 271680 271963 276768 280736 305640 307520 311364 315828 321408 326016 345960 350920 357120 362240 366768 369024 389205 394785 401760 407520 415152 421104 458460 461280 473742 489024 518940 526380 535680 543360 543926 553536 561472 611280 615040 622728 631656 642816 652032 691920 701840 710613 733536 738048 778410 789570 803520 815040 815889 830304 842208 916920 922560 947484 978048 1037880 1052760 1071360 1086720 1087852 1107072 1122944 1184355 1222560 1230080 1245456 1263312 1359815 1383840 1403680 1421226 1467072 1556820 1579140 1607040 1630080 1631778 1660608 1684416 1833840 1845120 1894968 1956096 2075760 2105520 2175704 2214144 2245888 2368710 2445120 2447667 2490912 2526624 2719630 2767680 2807360 2842452 2934144 3113640 3158280 3214080 3260160 3263556 3321216 3368832 3553065 3667680 3690240 3789936 4079445 4151520 4211040 4351408 4737420 4890240 4895334 4981824 5053248 5439260 5535360 5614720 5684904 5868288 6227280 6316560 6527112 6642432 6737664 7106130 7335360 7343001 7579872 8158890 8303040 8422080 8702816 9474840 9780480 9790668 9963648 10106496 10878520 11070720 11229440 11369808 12238335 12454560 12633120 13054224 14212260 14670720 14686002 15159744 16317780 16606080 16844160 17405632 18949680 19581336 19927296 20212992 21757040 22029003 22739616 24476670 24909120 25266240 26108448 28424520 29341440 29372004 30319488 32635560 33212160 33688320 34811264 36715005 37899360 39162672 43514080 44058006 45479232 48953340 49818240 50532480 52216896 56849040 58744008 60638976 65271120 69622528 73430010 75798720 78325344 87028160 88116012 90958464 97906680 99636480 101064960 104433792 110145015 113698080 117488016 130542240 146860020 151597440 156650688 174056320 176232024 181916928 195813360 208867584 220290030 227396160 234976032 261084480 293720040 303194880 313301376 348112640 352464048 391626720 440580060 454792320 469952064 522168960 587440080 626602752 704928096 783253440 881160120 909584640 939904128 1044337920 1174880160 1409856192 1566506880 1762320240 1879808256 2349760320 2819712384 3133013760 3524640480 4699520640 5639424768 7049280960 9399041280 14098561920 28197123840
• Sum of all divisors σ(n): 104622503832
• Sum of proper divisors (its aliquot sum) s(n): 76425379992
• 28197123840 is an abundant number, because the sum of its proper divisors (76425379992) is greater than itself. Its abundance is 48228256152

Bases of 28197123840

• Binary: 11010010000101011011111011100000000₂
• Hexadecimal: 0x690ADF700
• Base-36: CYBU800

Squares and roots of 28197123840

• 28197123840 squared (28197123840²) is 795077792848296345600
• 28197123840 cubed (28197123840³) is 22418906987377278389902639104000
• The square root of 28197123840 is 167919.9923773225
• The cube root of 28197123840 is 3043.6983152373

Scales and comparisons

• 28,197,123,840 seconds is equal to 896 years, 30 weeks, 1 day, 14 hours, 24 minutes.
• To count from 1 to 28,197,123,840 would take you about one thousand, seven hundred ninety-three 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 28197123840 cubic inches would be around 253.6 feet tall.

Recreational maths with 28197123840

• 28197123840 backwards is 04832179182
• 28197123840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28197123840's digits is 45
• More coming soon!