31945572455680

Names of 31945572455680

• Cardinal: 31945572455680 can be written as Thirty-one trillion, nine hundred forty-five billion, five hundred seventy-two million, four hundred fifty-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 3.194557245568 × 10¹³

Factors of 31945572455680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 105213

Divisors of 31945572455680

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 31 32 38 40 52 62 64 65 76 80 95 104 124 128 130 152 155 160 190 208 247 248 256 260 304 310 320 380 403 416 494 496 520 589 608 620 640 760 806 832 961 988 992 1040 1178 1216 1235 1240 1280 1520 1612 1664 1922 1976 1984 2015 2080 2356 2432 2470 2480 2945 3040 3224 3328 3844 3952 3968 4030 4160 4712 4805 4864 4940 4960 5890 6080 6448 7657 7688 7904 7936 8060 8320 9424 9610 9880 9920 11780 12160 12493 12896 15314 15376 15808 16120 16640 18259 18848 19220 19760 19840 23560 24320 24986 25792 30628 30752 31616 32240 36518 37696 38285 38440 39520 39680 47120 49972 51584 61256 61504 62465 63232 64480 73036 75392 76570 76880 79040 91295 94240 99944 103168 105143 122512 123008 124930 128960 146072 150784 153140 153760 158080 182590 188480 199888 210286 237367 245024 246016 249860 257920 292144 306280 307520 316160 365180 376960 399776 420572 474734 490048 499720 515840 525715 584288 612560 615040 730360 753920 799552 841144 949468 980096 999440 1051430 1168576 1186835 1225120 1230080 1366859 1460720 1599104 1682288 1898936 1960192 1997717 1998880 2102860 2337152 2373670 2450240 2733718 2921440 3198208 3259433 3364576 3797872 3995434 3997760 4205720 4674304 4747340 4900480 5467436 5842880 6518866 6729152 6834295 7595744 7990868 7995520 8411440 9494680 9800960 9988585 10934872 11685760 13037732 13458304 13668590 15191488 15981736 15991040 16297165 16822880 18989360 19977170 21869744 23371520 25970321 26075464 26916608 27337180 30382976 31963472 32594330 33645760 37978720 39954340 42372629 43739488 51940642 52150928 54674360 60765952 61929227 63926944 65188660 67291520 75957440 79908680 84745258 87478976 101042423 103881284 104301856 109348720 123858454 127853888 129851605 130377320 134583040 151914880 159817360 169490516 174957952 202084846 207762568 208603712 211863145 218697440 247716908 255707776 259703210 260754640 303829760 309646135 319634720 338981032 349915904 404169692 415525136 417207424 423726290 437394880 495433816 505212115 511415552 519406420 521509280 619292270 639269440 677962064 805079951 808339384 831050272 834414848 847452580 874789760 990867632 1010424230 1038812840 1043018560 1238584540 1278538880 1313551499 1355924128 1610159902 1616678768 1662100544 1694905160 1749579520 1919806037 1981735264 2020848460 2077625680 2086037120 2477169080 2557077760 2627102998 2711848256 3220319804 3233357536 3324201088 3389810320 3839612074 3963470528 4025399755 4041696920 4155251360 4172074240 4954338160 5254205996 5423696512 6440639608 6466715072 6567757495 6648402176 6779620640 7679224148 7926941056 8050799510 8083393840 8310502720 9599030185 9908676320 10508411992 10847393024 12881279216 12933430144 13135514990 13559241280 15358448296 15853882112 16101599020 16166787680 16621005440 19198060370 19817352640 21016823984 24957478481 25762558432 25866860288 26271029980 27118482560 30716896592 32203198040 32333575360 33242010880 38396120740 39634705280 42033647968 49914956962 51525116864 52542059960 54236965120 61433793184 64406396080 64667150720 76792241480 79269410560 84067295936 99829913924 103050233728 105084119920 122867586368 124787392405 128812792160 129334301440 153584482960 168134591872 199659827848 206100467456 210168239840 245735172736 249574784810 257625584320 307168965920 336269183744 399319655696 420336479680 491470345472 499149569620 515251168640 614337931840 798639311392 840672959360 998299139240 1030502337280 1228675863680 1597278622784 1681345918720 1996598278480 2457351727360 3194557245568 3993196556960 6389114491136 7986393113920 15972786227840 31945572455680
• Sum of all divisors σ(n): 89632172972160
• Sum of proper divisors (its aliquot sum) s(n): 57686600516480
• 31945572455680 is an abundant number, because the sum of its proper divisors (57686600516480) is greater than itself. Its abundance is 25741028060800

Bases of 31945572455680

• Binary: 111010000110111101000011111111001010100000000₂
• Hexadecimal: 0x1D0DE87F9500
• Base-36: BBNLD12PS

Squares and roots of 31945572455680

• 31945572455680 squared (31945572455680²) is 1020519599521100705564262400
• 31945572455680 cubed (31945572455680³) is 32601082808942859218629114637615890432000
• The square root of 31945572455680 is 5652041.4414333515
• The cube root of 31945572455680 is 31730.0111703437

Scales and comparisons

• 31,945,572,455,680 seconds is equal to 1,015,770 years, 20 weeks, 1 day, 22 hours, 34 minutes, 40 seconds.
• To count from 1 to 31,945,572,455,680 would take you about two million, five hundred thirty-nine thousand, four hundred twenty-five 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 31945572455680 cubic inches would be around 2644.2 feet tall.

Recreational maths with 31945572455680

• 31945572455680 backwards is 08655427554913
• 31945572455680 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31945572455680's digits is 64
• More coming soon!