81836075328

Names of 81836075328

• Cardinal: 81836075328 can be written as Eighty-one billion, eight hundred thirty-six million, seventy-five thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 8.1836075328 × 10¹⁰

Factors of 81836075328

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1264

Divisors of 81836075328

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 29 32 34 42 48 51 56 58 64 68 84 87 96 102 112 113 116 119 136 168 174 192 203 204 224 226 232 238 272 336 339 348 357 406 408 448 452 464 476 493 544 609 672 678 696 714 791 812 816 904 928 952 986 1088 1093 1218 1344 1356 1392 1428 1479 1582 1624 1632 1808 1856 1904 1921 1972 2186 2373 2436 2712 2784 2856 2958 3164 3248 3264 3277 3279 3451 3616 3808 3842 3944 4372 4746 4872 5424 5568 5712 5763 5916 6328 6496 6554 6558 6902 7232 7616 7651 7684 7888 8744 9492 9744 9831 10353 10848 11424 11526 11832 12656 12992 13108 13116 13447 13804 15302 15368 15776 17488 18581 18984 19488 19662 20706 21696 22848 22939 22953 23052 23664 25312 26216 26232 26894 27608 30604 30736 31552 31697 34976 37162 37968 38976 39324 40341 41412 45878 45906 46104 47328 50624 52432 52464 53788 55216 55709 55743 61208 61472 63394 68817 69952 74324 75936 78648 80682 82824 91756 91812 92208 94656 95091 104864 104928 107576 110432 111418 111486 122416 122944 123509 126788 130067 137634 148648 151872 157296 161364 165648 167127 183512 183624 184416 190182 209728 209856 215152 220864 221879 222836 222972 244832 247018 253576 260134 275268 297296 314592 322728 331296 334254 367024 367248 368832 370527 380364 389963 390201 430304 443758 445672 445944 489664 494036 507152 520268 538849 550536 594592 629184 645456 662592 665637 668508 734048 734496 741054 760728 779926 780402 860608 864563 887516 891344 891888 988072 1014304 1040536 1077698 1101072 1169889 1189184 1290912 1331274 1337016 1468096 1468992 1482108 1521456 1559852 1560804 1616547 1729126 1775032 1782688 1783776 1976144 2028608 2081072 2099653 2155396 2202144 2339778 2581824 2593689 2662548 2674032 2964216 3042912 3119704 3121608 3233094 3458252 3550064 3565376 3567552 3581761 3771943 3952288 4162144 4199306 4310792 4404288 4679556 5187378 5325096 5348064 5928432 6085824 6239408 6243216 6298959 6466188 6916504 7100128 7163522 7543886 7904576 8324288 8398612 8621584 9359112 10374756 10650192 10696128 10745283 11315829 11856864 12478816 12486432 12597918 12932376 13833008 14200256 14327044 14697571 15087772 16797224 17243168 18718224 20749512 21300384 21490566 22631658 23713728 24957632 24972864 25072327 25195836 25864752 27666016 28654088 29395142 30175544 33594448 34486336 37436448 41499024 42600768 42981132 44092713 45263316 50144654 50391672 51729504 55332032 57308176 58790284 60351088 60889937 67188896 74872896 75216981 82998048 85962264 88185426 90526632 100289308 100783344 103459008 114616352 117580568 120702176 121779874 134377792 150433962 165996096 171924528 176370852 181053264 182669811 200578616 201566688 229232704 235161136 241404352 243559748 300867924 343849056 352741704 362106528 365339622 401157232 403133376 426229559 470322272 487119496 601735848 687698112 705483408 724213056 730679244 802314464 852459118 940644544 974238992 1203471696 1278688677 1410966816 1461358488 1604628928 1704918236 1948477984 2406943392 2557377354 2821933632 2922716976 3409836472 3896955968 4813886784 5114754708 5845433952 6819672944 10229509416 11690867904 13639345888 20459018832 27278691776 40918037664 81836075328
• Sum of all divisors σ(n): 273696744960
• Sum of proper divisors (its aliquot sum) s(n): 191860669632
• 81836075328 is an abundant number, because the sum of its proper divisors (191860669632) is greater than itself. Its abundance is 110024594304

Bases of 81836075328

• Binary: 1001100001101110011110110100101000000₂
• Hexadecimal: 0x130DCF6940
• Base-36: 11LF33UO

Squares and roots of 81836075328

• 81836075328 squared (81836075328²) is 6697143225090090307584
• 81836075328 cubed (81836075328³) is 548067917450877489997766913687552
• The square root of 81836075328 is 286070.0531827825
• The cube root of 81836075328 is 4341.5845638551

Scales and comparisons

• 81,836,075,328 seconds is equal to 2,602 years, 6 weeks, 6 days, 19 hours, 8 minutes, 48 seconds.
• To count from 1 to 81,836,075,328 would take you about five thousand, two hundred four 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 81836075328 cubic inches would be around 361.8 feet tall.

Recreational maths with 81836075328

• 81836075328 backwards is 82357063818
• 81836075328 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81836075328's digits is 51
• More coming soon!