81516016977408
81,516,016,977,408 is an even composite number composed of seven prime numbers multiplied together.
81516016977408 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two thousand, four hundred divisors.
Prime factorization of 81516016977408:
29 × 34 × 13 × 292 × 37 × 43 × 113
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 13 × 29 × 29 × 37 × 43 × 113)See below for interesting mathematical facts about the number 81516016977408 from the Numbermatics database.
Names of 81516016977408
- Cardinal: 81516016977408 can be written as Eighty-one trillion, five hundred sixteen billion, sixteen million, nine hundred seventy-seven thousand, four hundred eight.
Scientific notation
- Scientific notation: 8.1516016977408 × 1013
Factors of 81516016977408
Divisors of 81516016977408
- Number of divisors d(n): 2400
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 29 32 36 37 39 43 48 52 54 58 64 72 74 78 81 86 87 96 104 108 111 113 116 117 128 129 144 148 156 162 172 174 192 208 216 222 226 232 234 256 258 261 288 296 312 324 333 339 344 348 351 377 384 387 416 432 444 452 464 468 481 512 516 522 559 576 592 624 648 666 678 688 696 702 754 768 774 783 832 841 864 888 904 928 936 962 999 1017 1032 1044 1053 1073 1118 1131 1152 1161 1184 1247 1248 1296 1332 1356 1376 1392 1404 1443 1469 1508 1536 1548 1566 1591 1664 1677 1682 1728 1776 1808 1856 1872 1924 1998 2034 2064 2088 2106 2146 2236 2262 2304 2322 2349 2368 2494 2496 2523 2592 2664 2712 2752 2784 2808 2886 2938 2997 3016 3051 3096 3132 3182 3219 3277 3328 3354 3364 3393 3456 3483 3552 3616 3712 3741 3744 3848 3996 4068 4128 4176 4181 4212 4292 4329 4407 4472 4524 4608 4644 4698 4736 4773 4859 4988 4992 5031 5046 5184 5328 5424 5504 5568 5616 5772 5876 5994 6032 6102 6192 6264 6364 6438 6554 6656 6708 6728 6786 6912 6966 7104 7232 7424 7482 7488 7569 7696 7992 8136 8256 8352 8362 8424 8584 8658 8814 8944 9048 9153 9288 9396 9472 9546 9657 9718 9831 9976 9984 10062 10092 10179 10368 10656 10848 10933 11008 11136 11223 11232 11544 11752 11988 12064 12204 12384 12528 12543 12728 12876 12987 13108 13221 13416 13456 13572 13824 13932 13949 14208 14319 14464 14577 14848 14964 14976 15093 15138 15392 15984 16211 16272 16512 16704 16724 16848 17168 17316 17628 17888 18096 18306 18576 18792 18944 19092 19314 19436 19662 19952 19968 20124 20184 20358 20683 20736 21312 21696 21866 22016 22272 22446 22464 22707 23088 23504 23976 24128 24408 24768 25056 25086 25456 25752 25974 26216 26442 26832 26912 27144 27864 27898 28416 28638 28928 28971 29154 29493 29928 29952 30186 30276 30537 30784 31117 31968 32422 32544 32799 33024 33408 33448 33669 33696 34336 34632 35256 35776 36163 36192 36612 37152 37584 37629 38184 38628 38872 38961 39324 39663 39904 40248 40368 40716 41366 41472 41847 42601 42624 42957 43392 43731 43732 44544 44892 44928 45279 45414 46139 46176 47008 47952 48256 48633 48816 49536 50112 50172 50912 51504 51948 52432 52884 53664 53824 54288 54353 55728 55796 56832 57276 57856 57942 58308 58986 59856 59904 60372 60552 61074 61568 62049 62234 63167 63936 64844 65088 65598 66048 66816 66896 67338 67392 68121 68672 69264 70512 71552 72326 72384 73224 74304 75168 75258 76368 77256 77744 77922 78648 79326 79808 80496 80736 81432 82732 83694 85202 85248 85914 86784 86913 87462 87464 88479 89784 89856 90558 90828 92278 92352 93351 94016 95033 95904 96512 97266 97632 98397 99072 100224 100344 101007 101824 103008 103896 104864 105768 107328 107648 108489 108576 108706 111456 111592 112887 114552 115884 116616 117972 118989 119712 120744 121104 121249 122148 123136 124098 124468 125541 126334 127803 127872 128871 129688 130176 131193 131196 133632 133792 134676 134784 136242 137344 138417 138528 140911 141024 143104 144652 144768 145899 146448 148608 150336 150516 152736 154512 155488 155844 157296 158652 159616 160992 161472 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1567615711104 1698250353696 1895721325056 2090154281472 2203135593984 2264333804928 2547375530544 2810897137152 3019111739904 3135231422208 3396500707392 4528667609856 5094751061088 6270462844416 6793001414784 9057335219712 10189502122176 13586002829568 20379004244352 27172005659136 40758008488704 81516016977408
- Sum of all divisors σ(n): 287705602600416
- Sum of proper divisors (its aliquot sum) s(n): 206189585623008
- 81516016977408 is an abundant number, because the sum of its proper divisors (206189585623008) is greater than itself. Its abundance is 124673568645600
Bases of 81516016977408
- Binary: 100101000100011011011010011110001000110000000002
- Hexadecimal: 0x4A236D3C4600
- Base-36: SW7XVTS00
Squares and roots of 81516016977408
- 81516016977408 squared (815160169774082) is 6644861023861069288382398464
- 81516016977408 cubed (815160169774083) is 541662604033575629498888218329062741901312
-
The
square root of 81516016977408 is 9028622.0973860679 -
The
cube root of 81516016977408 is 43359.1723501375
Scales and comparisons
How big is 81516016977408?- 81,516,016,977,408 seconds is equal to 2,591,957 years, 10 weeks, 17 hours, 16 minutes, 48 seconds.
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To count from 1 to 81,516,016,977,408 would take you about six million, four hundred seventy-nine thousand, eight hundred ninety-two 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 81516016977408 cubic inches would be around 3613.3 feet tall.
Recreational maths with 81516016977408
- 81516016977408 backwards is 80477961061518
- The number of decimal digits it has is: 14
- The sum of 81516016977408's digits is 63
- More coming soon!
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The information we have on file for 81516016977408 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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