81626477797152

Names of 81626477797152

• Cardinal: 81626477797152 can be written as Eighty-one trillion, six hundred twenty-six billion, four hundred seventy-seven million, seven hundred ninety-seven thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 8.1626477797152 × 10¹³

Factors of 81626477797152

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 551

Divisors of 81626477797152

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 149 162 216 243 288 298 324 397 432 447 486 596 648 729 794 864 894 972 1191 1192 1296 1341 1458 1588 1788 1944 2382 2384 2592 2682 2916 3176 3573 3576 3888 4023 4764 4768 5364 5832 6352 7146 7152 7776 8046 9528 10719 10728 11664 12069 12704 14292 14304 16092 19056 21438 21456 22201 23328 24138 28584 32157 32184 36207 38112 42876 42912 44402 48276 57168 59153 64314 64368 66603 72414 85752 88804 96471 96552 108621 114336 118306 128628 128736 133206 144828 157609 171504 177459 177608 192942 193104 199809 217242 236612 257256 266412 289413 289656 315218 343008 354918 355216 385884 386208 399618 434484 472827 473224 514512 532377 532824 578826 579312 599427 630436 709836 710432 771768 799236 868968 945654 946448 1029024 1064754 1065648 1157652 1158624 1198854 1260872 1418481 1419672 1543536 1597131 1598472 1737936 1798281 1891308 1892896 2129508 2131296 2315304 2397708 2521744 2836962 2839344 3087072 3194262 3196944 3475872 3596562 3782616 4255443 4259016 4630608 4791393 4795416 5043488 5394843 5673924 5678688 6388524 6393888 7193124 7565232 8510886 8518032 8813797 9261216 9582786 9590832 10789686 11347848 12766329 12777048 14374179 14386248 15130464 16184529 17021772 17036064 17627594 19165572 19181664 21579372 22695696 23483741 25532658 25554096 26441391 28748358 28772496 32369058 34043544 35255188 38298987 38331144 43122537 43158744 45391392 46967482 51065316 51108192 52882782 57496716 57544992 64738116 68087088 70451223 70510376 76597974 76662288 79324173 86245074 86317488 93934964 102130632 105765564 114896961 114993432 129476232 136174176 140902446 141020752 153195948 153324576 158648346 172490148 172634976 187869928 204261264 211353669 211531128 229793922 229986864 237972519 258952464 281804892 282041504 306391896 317296692 344980296 375739856 408522528 422707338 423062256 459587844 459973728 475945038 517904928 563609784 612783792 634061007 634593384 689960592 713917557 751479712 845414676 846124512 919175688 951890076 1127219568 1225567584 1268122014 1269186768 1379921184 1427835114 1690829352 1838351376 1902183021 1903780152 2141752671 2254439136 2536244028 2538373536 2855670228 3381658704 3499077409 3676702752 3804366042 3807560304 4283505342 5072488056 5706549063 5711340456 6425258013 6763317408 6998154818 7608732084 7615120608 8567010684 10144976112 10497232227 11413098126 11422680912 12850516026 13996309636 15217464168 17119647189 17134021368 20289952224 20994464454 22826196252 22845361824 25701032052 27992619272 30434928336 31491696681 34239294378 34268042736 41988928908 45652392504 51402064104 55985238544 60869856672 62983393362 68478588756 68536085472 83977857816 91304785008 94475090043 102804128208 111970477088 125966786724 136957177512 167955715632 182609570016 188950180086 205608256416 251933573448 273914355024 283425270129 335911431264 377900360172 503867146896 547828710048 566850540258 755800720344 850275810387 1007734293792 1133701080516 1511601440688 1700551620774 2267402161032 2550827431161 3023202881376 3401103241548 4534804322064 5101654862322 6802206483096 9069608644128 10203309724644 13604412966192 20406619449288 27208825932384 40813238898576 81626477797152
• Sum of all divisors σ(n): 243183439894563
• Sum of proper divisors (its aliquot sum) s(n): 161556962097411
• 81626477797152 is an abundant number, because the sum of its proper divisors (161556962097411) is greater than itself. Its abundance is 79930484300259

Bases of 81626477797152

• Binary: 10010100011110100100101001101101001111100100000₂
• Hexadecimal: 0x4A3D25369F20
• Base-36: SXMOPCI00

Squares and roots of 81626477797152

• 81626477797152 squared (81626477797152²) is 6662881877568948422459311104
• 81626477797152 cubed (81626477797152³) is 543867579644428198787903614126785373175808
• The square root of 81626477797152 is 9034737.2843460147
• The cube root of 81626477797152 is 43378.7485763545

Scales and comparisons

• 81,626,477,797,152 seconds is equal to 2,595,469 years, 26 weeks, 2 days, 10 hours, 19 minutes, 12 seconds.
• To count from 1 to 81,626,477,797,152 would take you about six million, four hundred eighty-eight thousand, six hundred seventy-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 81626477797152 cubic inches would be around 3614.9 feet tall.

Recreational maths with 81626477797152

• 81626477797152 backwards is 25179777462618
• 81626477797152 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81626477797152's digits is 72
• More coming soon!