81374706834400

Names of 81374706834400

• Cardinal: 81374706834400 can be written as Eighty-one trillion, three hundred seventy-four billion, seven hundred six million, eight hundred thirty-four thousand, four hundred.

Scientific notation

• Scientific notation: 8.13747068344 × 10¹³

Factors of 81374706834400

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7478853

Divisors of 81374706834400

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 29 32 35 40 50 56 58 67 70 80 100 112 116 134 140 145 160 175 200 203 224 232 268 280 290 335 350 400 406 464 469 536 560 580 670 700 725 800 812 928 938 1015 1072 1120 1160 1340 1400 1450 1624 1675 1876 1943 2030 2144 2320 2345 2680 2800 2900 3248 3350 3752 3886 4060 4640 4690 5075 5360 5600 5800 6496 6700 7504 7772 8120 9380 9715 10150 10720 11600 11725 13400 13601 15008 15544 16240 18760 19430 20300 23200 23450 26800 27202 31088 32480 37520 38860 40600 46900 48575 53600 54404 62176 68005 75040 77720 81200 93800 97150 108808 136010 155440 162400 187600 194300 217616 272020 310880 340025 375200 388600 435232 544040 680050 777200 1088080 1360100 1554400 2176160 2720200 5440400 7478743 10880800 14957486 29914972 37393715 52351201 59829944 74787430 104702402 119659888 149574860 186968575 209404804 216883547 239319776 261756005 299149720 373937150 418809608 433767094 501075781 523512010 598299440 747874300 837619216 867534188 1002151562 1047024020 1084417735 1196598880 1308780025 1495748600 1518184829 1675238432 1735068376 2004303124 2094048040 2168835470 2505378905 2617560050 2991497200 3036369658 3470136752 3507530467 4008606248 4188096080 4337670940 5010757810 5235120100 5422088675 5982994400 6072739316 6940273504 7015060934 7590924145 8017212496 8376192160 8675341880 10021515620 10470240200 10844177350 12145478632 12526894525 14030121868 14531197649 15181848290 16034424992 17350683760 17537652335 20043031240 20940480400 21688354700 24290957264 25053789050 28060243736 29062395298 30363696580 34701367520 35075304670 37954620725 40086062480 41880960800 43376709400 48581914528 50107578100 56120487472 58124790596 60727393160 70150609340 72655988245 75909241450 80172124960 86753418800 87688261675 100215156200 101718383543 112240974944 116249581192 121454786320 140301218680 145311976490 151818482900 173506837600 175376523350 200430312400 203436767086 232499162384 242909572640 280602437360 290623952980 303636965800 350753046700 363279941225 400860624800 406873534172 464998324768 508591917715 561204874720 581247905960 607273931600 701506093400 726559882450 813747068344 1017183835430 1162495811920 1214547863200 1403012186800 1453119764900 1627494136688 2034367670860 2324991623840 2542959588575 2806024373600 2906239529800 3254988273376 4068735341720 5085919177150 5812479059600 8137470683440 10171838354300 11624958119200 16274941366880 20343676708600 40687353417200 81374706834400
• Sum of all divisors σ(n): 238369708362240
• Sum of proper divisors (its aliquot sum) s(n): 156995001527840
• 81374706834400 is an abundant number, because the sum of its proper divisors (156995001527840) is greater than itself. Its abundance is 75620294693440

Bases of 81374706834400

• Binary: 10010100000001010000110011111101001101111100000₂
• Hexadecimal: 0x4A02867E9BE0
• Base-36: SUF0VEZTS

Squares and roots of 81374706834400

• 81374706834400 squared (81374706834400²) is 6621842912384546069023360000
• 81374706834400 cubed (81374706834400³) is 538850525698741921403896867125251584000000
• The square root of 81374706834400 is 9020793.0269128777
• The cube root of 81374706834400 is 43334.1031061731

Scales and comparisons

• 81,374,706,834,400 seconds is equal to 2,587,463 years, 50 weeks, 2 days, 15 hours, 46 minutes, 40 seconds.
• To count from 1 to 81,374,706,834,400 would take you about six million, four hundred sixty-eight thousand, six hundred fifty-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 81374706834400 cubic inches would be around 3611.2 feet tall.

Recreational maths with 81374706834400

• 81374706834400 backwards is 00443860747318
• The number of decimal digits it has is: 14
• The sum of 81374706834400's digits is 55
• More coming soon!