815813442864

Names of 815813442864

• Cardinal: 815813442864 can be written as Eight hundred fifteen billion, eight hundred thirteen million, four hundred forty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 8.15813442864 × 10¹¹

Factors of 815813442864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 8988

Divisors of 815813442864

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 43 48 49 56 63 72 84 86 98 112 126 129 144 147 168 172 196 252 258 294 301 336 343 344 387 392 441 504 516 588 602 686 688 774 784 882 903 1008 1029 1032 1176 1204 1372 1548 1764 1806 1849 2058 2064 2107 2352 2408 2709 2744 3087 3096 3528 3612 3698 4116 4214 4816 5418 5488 5547 6174 6192 6321 7056 7224 7396 8232 8428 8933 10836 11094 12348 12642 12943 14448 14749 14792 16464 16641 16856 17866 18963 21672 22188 24696 25284 25886 26799 29498 29584 33282 33712 35732 37926 38829 43344 44247 44376 49392 50568 51772 53598 58996 62531 66564 71464 75852 77658 80397 88494 88752 90601 101136 103544 107196 116487 117992 125062 132741 133128 142928 151704 155316 160794 176988 181202 187593 207088 214392 232974 235984 250124 265482 266256 271803 303408 310632 321588 353976 362404 375186 384119 428784 437717 465948 500248 530964 543606 562779 621264 634207 643176 707952 724808 750372 768238 815409 875434 931896 1000496 1061928 1087212 1125558 1152357 1268414 1286352 1313151 1449616 1500744 1536476 1630818 1750868 1863792 1902621 2123856 2174424 2251116 2304714 2536828 2626302 2688833 3001488 3064019 3072952 3261636 3457071 3501736 3805242 3939453 4348848 4502232 4609428 5073656 5252604 5377666 5707863 6128038 6145904 6523272 6914142 7003472 7610484 7878906 8066499 9004464 9192057 9218856 10147312 10505208 10755332 11415726 12256076 13046544 13828284 15220968 15757812 16132998 16517117 18384114 18437712 18821831 21010416 21510664 22831452 24199497 24512152 27576171 27656568 30441936 31515624 32265996 33034234 36768228 37643662 43021328 45662904 48398994 49024304 49551351 55152342 55313136 56465493 63031248 64531992 66068468 73536456 75287324 91325808 96797988 99102702 110304684 112930986 115619819 129063984 131752817 132136936 147072912 148654053 150574648 169396479 193595976 198205404 220609368 225861972 231239638 263505634 264273872 297308106 301149296 338792958 346859457 387191952 395258451 396410808 441218736 451723944 462479276 527011268 594616212 677585916 693718914 790516902 792821616 809338733 903447888 924958552 1040578371 1054022536 1185775353 1189232424 1355171832 1387437828 1581033804 1618677466 1849917104 2081156742 2108045072 2371550706 2378464848 2428016199 2710343664 2774875656 3162067608 3237354932 4162313484 4743101412 4856032398 5549751312 5665371131 6324135216 6474709864 7284048597 8324626968 9486202824 9712064796 11330742262 12949419728 14568097194 16649253936 16996113393 18972405648 19424129592 22661484524 29136194388 33992226786 38848259184 45322969048 50988340179 58272388776 67984453572 90645938096 101976680358 116544777552 135968907144 203953360716 271937814288 407906721432 815813442864
• Sum of all divisors σ(n): 2726224394400
• Sum of proper divisors (its aliquot sum) s(n): 1910410951536
• 815813442864 is an abundant number, because the sum of its proper divisors (1910410951536) is greater than itself. Its abundance is 1094597508672

Bases of 815813442864

• Binary: 1011110111110010010001010011110100110000₂
• Hexadecimal: 0xBDF2453D30
• Base-36: AES29D80

Squares and roots of 815813442864

• 815813442864 squared (815813442864²) is 665551573557612992522496
• 815813442864 cubed (815813442864³) is 542965920627589000287475349730668544
• The square root of 815813442864 is 903223.9162378285
• The cube root of 815813442864 is 9343.9452649609

Scales and comparisons

• 815,813,442,864 seconds is equal to 25,940 years, 17 weeks, 6 days, 5 hours, 14 minutes, 24 seconds.
• To count from 1 to 815,813,442,864 would take you about fifty-one thousand, eight hundred eighty 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 815813442864 cubic inches would be around 778.7 feet tall.

Recreational maths with 815813442864

• 815813442864 backwards is 468244318518
• The number of decimal digits it has is: 12
• The sum of 815813442864's digits is 54
• More coming soon!