28996724761920

Names of 28996724761920

• Cardinal: 28996724761920 can be written as Twenty-eight trillion, nine hundred ninety-six billion, seven hundred twenty-four million, seven hundred sixty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.899672476192 × 10¹³

Factors of 28996724761920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 511533

Divisors of 28996724761920

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 192 216 240 243 270 288 320 324 360 405 432 480 486 540 576 648 720 729 810 864 960 972 1080 1215 1296 1440 1458 1620 1728 1944 2160 2187 2430 2592 2880 2916 3240 3645 3888 4320 4374 4860 5184 5832 6480 6561 7290 7776 8640 8748 9720 10935 11664 12960 13122 14580 15552 17496 19440 19683 21870 23328 25920 26244 29160 32805 34992 38880 39366 43740 46656 52488 58320 59049 65610 69984 77760 78732 87480 98415 104976 116640 118098 131220 139968 157464 174960 177147 196830 209952 233280 236196 262440 295245 314928 349920 354294 393660 419904 472392 511523 524880 590490 629856 699840 708588 787320 885735 944784 1023046 1049760 1180980 1259712 1417176 1534569 1574640 1771470 1889568 2046092 2099520 2361960 2557615 2834352 3069138 3149280 3542940 3779136 4092184 4603707 4723920 5115230 5668704 6138276 6298560 7085880 7672845 8184368 9207414 9447840 10230460 11337408 12276552 13811121 14171760 15345690 16368736 18414828 18895680 20460920 23018535 24553104 27622242 28343520 30691380 32737472 36829656 40921840 41433363 46037070 49106208 55244484 56687040 61382760 69055605 73659312 81843680 82866726 92074140 98212416 110488968 122765520 124300089 138111210 147318624 163687360 165733452 184148280 207166815 220977936 245531040 248600178 276222420 294637248 331466904 368296560 372900267 414333630 441955872 491062080 497200356 552444840 621500445 662933808 736593120 745800534 828667260 883911744 994400712 1104889680 1118700801 1243000890 1325867616 1473186240 1491601068 1657334520 1864501335 1988801424 2209779360 2237401602 2486001780 2651735232 2983202136 3314669040 3356102403 3729002670 3977602848 4419558720 4474803204 4972003560 5593504005 5966404272 6629338080 6712204806 7458005340 7955205696 8949606408 9944007120 10068307209 11187008010 11932808544 13258676160 13424409612 14916010680 16780512015 17899212816 19888014240 20136614418 22374016020 23865617088 26848819224 29832021360 30204921627 33561024030 35798425632 39776028480 40273228836 44748032040 50341536045 53697638448 59664042720 60409843254 67122048060 71596851264 80546457672 89496064080 90614764881 100683072090 107395276896 119328085440 120819686508 134244096120 151024608135 161092915344 178992128160 181229529762 201366144180 214790553792 241639373016 268488192240 302049216270 322185830688 357984256320 362459059524 402732288360 453073824405 483278746032 536976384480 604098432540 644371661376 724918119048 805464576720 906147648810 966557492064 1073952768960 1208196865080 1449836238096 1610929153440 1812295297620 1933114984128 2416393730160 2899672476192 3221858306880 3624590595240 4832787460320 5799344952384 7249181190480 9665574920640 14498362380960 28996724761920
• Sum of all divisors σ(n): 103572683847360
• Sum of proper divisors (its aliquot sum) s(n): 74575959085440
• 28996724761920 is an abundant number, because the sum of its proper divisors (74575959085440) is greater than itself. Its abundance is 45579234323520

Bases of 28996724761920

• Binary: 110100101111101010011011110101010010101000000₂
• Hexadecimal: 0x1A5F537AA540
• Base-36: AA0WT9000

Squares and roots of 28996724761920

• 28996724761920 squared (28996724761920²) is 840810046918544480682086400
• 28996724761920 cubed (28996724761920³) is 24380737507554075736239201806248869888000
• The square root of 28996724761920 is 5384860.7003264253
• The cube root of 28996724761920 is 30722.0115961797

Scales and comparisons

• 28,996,724,761,920 seconds is equal to 922,006 years, 8 weeks, 7 hours, 12 minutes.
• To count from 1 to 28,996,724,761,920 would take you about two million, three hundred five thousand and fifteen 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 28996724761920 cubic inches would be around 2560.2 feet tall.

Recreational maths with 28996724761920

• 28996724761920 backwards is 02916742769982
• 28996724761920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28996724761920's digits is 72
• More coming soon!