81764053161840

Names of 81764053161840

• Cardinal: 81764053161840 can be written as Eighty-one trillion, seven hundred sixty-four billion, fifty-three million, one hundred sixty-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.176405316184 × 10¹³

Factors of 81764053161840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2591

Divisors of 81764053161840

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 49 56 60 63 70 72 80 84 90 98 105 112 120 126 140 144 147 168 180 196 210 240 245 252 280 294 315 336 360 392 420 441 490 504 560 587 588 630 720 735 784 840 882 980 1008 1174 1176 1260 1470 1680 1761 1764 1960 1987 2205 2348 2352 2520 2935 2940 3522 3528 3920 3974 4109 4410 4696 5040 5283 5870 5880 5961 7044 7056 7948 8218 8805 8820 9392 9935 10566 11740 11760 11922 12327 13909 14088 15896 16436 17610 17640 17883 19870 20545 21132 23480 23844 24654 26415 27818 28176 28763 29805 31792 32872 35220 35280 35766 36981 39740 41090 41727 42264 46960 47688 49308 52830 55636 57526 59610 61635 65744 69545 70440 71532 73962 79480 82180 83454 84528 86289 89415 95376 97363 98616 105660 111272 115052 119220 123270 125181 139090 140880 143064 143815 147924 158960 164360 166908 172578 178830 184905 194726 197232 208635 211320 222544 230104 238440 246540 250362 258867 278180 286128 287630 292089 295848 328720 333816 345156 357660 369810 389452 417270 422640 431445 460208 476880 486815 493080 500724 517734 556360 575260 584178 591696 625905 667632 690312 715320 739620 778904 834540 862890 876267 973630 986160 1001448 1035468 1112720 1150520 1166369 1168356 1251810 1294335 1380624 1430640 1460445 1479240 1557808 1669080 1725780 1752534 1947260 2002896 2070936 2301040 2332738 2336712 2503620 2588670 2920890 2958480 3338160 3451560 3499107 3505068 3894520 3948169 4141872 4381335 4665476 4673424 5007240 5177340 5831845 5841780 6903120 6998214 7010136 7789040 7896338 8164583 8762670 9330952 10014480 10354680 10497321 11663690 11683560 11844507 13996428 14020272 15792676 16329166 17495535 17525340 18661904 19740845 20709360 20994642 23327380 23367120 23689014 24493749 27637183 27992856 31585352 32658332 34991070 35050680 35533521 39481690 40822915 41989284 46654760 47378028 48987498 52486605 55274366 55985712 57152081 59222535 63170704 65316664 69982140 70101360 71067042 73481247 78963380 81645830 82911549 83978568 93309520 94756056 97974996 104973210 110548732 114304162 118445070 122468745 130633328 138185915 139964280 142134084 146962494 157926760 163291660 165823098 167957136 171456243 177667605 189512112 193460281 195949992 209946420 221097464 228608324 236890140 244937490 248734647 276371830 279928560 284268168 285760405 293924988 315853520 326583320 331646196 342912486 355335210 367406235 386920562 391899984 414557745 419892840 442194928 457216648 473780280 489874980 497469294 514368729 552743660 568536336 571520810 580380843 587849976 653166640 663292392 685824972 710670420 734812470 773841124 829115490 839785680 857281215 914433296 947560560 967301405 979749960 994938588 1028737458 1105487320 1143041620 1160761686 1175699952 1243673235 1326584784 1371649944 1421340840 1469624940 1547682248 1658230980 1714562430 1741142529 1934602810 1959499920 1989877176 2057474916 2210974640 2286083240 2317575203 2321523372 2487346470 2571843645 2743299888 2842681680 2901904215 2939249880 3095364496 3316461960 3429124860 3482285058 3869205620 3979754352 4114949832 4572166480 4635150406 4643046744 4974692940 5143687290 5803808430 5878499760 6632923920 6858249720 6952725609 6964570116 7738411240 8229899664 8705712645 9270300812 9286093488 9949385880 10287374580 11587876015 11607616860 13716499440 13905451218 13929140232 15476822480 16223026421 17411425290 18540601624 19898771760 20574749160 20858176827 23175752030 23215233720 27810902436 27858280464 32446052842 34763628045 34822850580 37081203248 41149498320 41716353654 46351504060 46430467440 48669079263 55621804872 64892105684 69527256090 69645701160 81115132105 83432707308 92703008120 97338158526 104290884135 111243609744 113561184947 129784211368 139054512180 139291402320 146007237789 162230264210 166865414616 185406016240 194676317052 208581768270 227122369894 243345396315 259568422736 278109024360 292014475578 324460528420 333730829232 340683554841 389352634104 417163536540 454244739788 486690792630 556218048720 567805924735 584028951156 648921056840 681367109682 730036188945 778705268208 834327073080 908489479576 973381585260 1022050664523 1135611849470 1168057902312 1297842113680 1362734219364 1460072377890 1668654146160 1703417774205 1816978959152 1946763170520 2044101329046 2271223698940 2336115804624 2725468438728 2920144755780 3406835548410 3893526341040 4088202658092 4542447397880 5110253322615 5450936877456 5840289511560 6813671096820 8176405316184 9084894795760 10220506645230 11680579023120 13627342193640 16352810632368 20441013290460 27254684387280 40882026580920 81764053161840
• Sum of all divisors σ(n): 320127391145016
• Sum of proper divisors (its aliquot sum) s(n): 238363337983176
• 81764053161840 is an abundant number, because the sum of its proper divisors (238363337983176) is greater than itself. Its abundance is 156599284821336

Bases of 81764053161840

• Binary: 10010100101110100101101010110000001011101110000₂
• Hexadecimal: 0x4A5D2D581770
• Base-36: SZDVY60S0

Squares and roots of 81764053161840

• 81764053161840 squared (81764053161840²) is 6685360389452197701232185600
• 81764053161840 cubed (81764053161840³) is 546622162289228859238970264671653717504000
• The square root of 81764053161840 is 9042347.7682424935
• The cube root of 81764053161840 is 43403.1054503501

Scales and comparisons

• 81,764,053,161,840 seconds is equal to 2,599,843 years, 50 weeks, 5 days, 21 hours, 24 minutes.
• To count from 1 to 81,764,053,161,840 would take you about six million, four hundred ninety-nine thousand, six hundred nine 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 81764053161840 cubic inches would be around 3616.9 feet tall.

Recreational maths with 81764053161840

• 81764053161840 backwards is 04816135046718
• The number of decimal digits it has is: 14
• The sum of 81764053161840's digits is 54
• More coming soon!