81220338240000
81,220,338,240,000 is an even composite number composed of four prime numbers multiplied together.
81220338240000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 81220338240000:
29 × 3 × 54 × 4393
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 5 × 439 × 439 × 439)See below for interesting mathematical facts about the number 81220338240000 from the Numbermatics database.
Names of 81220338240000
- Cardinal: 81220338240000 can be written as Eighty-one trillion, two hundred twenty billion, three hundred thirty-eight million, two hundred forty thousand.
Scientific notation
- Scientific notation: 8.122033824 × 1013
Factors of 81220338240000
Divisors of 81220338240000
- Number of divisors d(n): 400
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 128 150 160 192 200 240 250 256 300 320 375 384 400 439 480 500 512 600 625 640 750 768 800 878 960 1000 1200 1250 1280 1317 1500 1536 1600 1756 1875 1920 2000 2195 2400 2500 2560 2634 3000 3200 3512 3750 3840 4000 4390 4800 5000 5268 6000 6400 6585 7024 7500 7680 8000 8780 9600 10000 10536 10975 12000 12800 13170 14048 15000 16000 17560 19200 20000 21072 21950 24000 26340 28096 30000 32000 32925 35120 38400 40000 42144 43900 48000 52680 54875 56192 60000 64000 65850 70240 80000 84288 87800 96000 105360 109750 112384 120000 131700 140480 160000 164625 168576 175600 192000 192721 210720 219500 224768 240000 263400 274375 280960 320000 329250 337152 351200 385442 421440 439000 480000 526800 548750 561920 578163 658500 674304 702400 770884 823125 842880 878000 960000 963605 1053600 1097500 1123840 1156326 1317000 1404800 1541768 1646250 1685760 1756000 1927210 2107200 2195000 2312652 2634000 2809600 2890815 3083536 3292500 3371520 3512000 3854420 4214400 4390000 4625304 4818025 5268000 5619200 5781630 6167072 6585000 7024000 7708840 8428800 8780000 9250608 9636050 10536000 11563260 12334144 13170000 14048000 14454075 15417680 16857600 17560000 18501216 19272100 21072000 23126520 24090125 24668288 26340000 28096000 28908150 30835360 35120000 37002432 38544200 42144000 46253040 48180250 49336576 52680000 57816300 61670720 70240000 72270375 74004864 77088400 84288000 84604519 92506080 96360500 98673152 105360000 115632600 120450625 123341440 140480000 144540750 148009728 154176800 169209038 185012160 192721000 210720000 231265200 240901250 246682880 253813557 289081500 296019456 308353600 338418076 361351875 370024320 385442000 421440000 423022595 462530400 481802500 493365760 507627114 578163000 616707200 676836152 722703750 740048640 770884000 846045190 925060800 963605000 1015254228 1156326000 1233414400 1269067785 1353672304 1445407500 1480097280 1541768000 1692090380 1850121600 1927210000 2030508456 2115112975 2312652000 2466828800 2538135570 2707344608 2890815000 3083536000 3384180760 3700243200 3854420000 4061016912 4230225950 4625304000 5076271140 5414689216 5781630000 6167072000 6345338925 6768361520 7400486400 7708840000 8122033824 8460451900 9250608000 10152542280 10575564875 10829378432 11563260000 12334144000 12690677850 13536723040 15417680000 16244067648 16920903800 18501216000 20305084560 21151129750 21658756864 23126520000 25381355700 27073446080 30835360000 31726694625 32488135296 33841807600 37002432000 40610169120 42302259500 43317513728 46253040000 50762711400 52877824375 54146892160 61670720000 63453389250 64976270592 67683615200 81220338240 84604519000 92506080000 101525422800 105755648750 108293784320 126906778500 129952541184 135367230400 158633473125 162440676480 169209038000 185012160000 203050845600 211511297500 216587568640 253813557000 270734460800 317266946250 324881352960 338418076000 406101691200 423022595000 507627114000 541468921600 634533892500 649762705920 676836152000 812203382400 846045190000 1015254228000 1082937843200 1269067785000 1353672304000 1624406764800 1692090380000 2030508456000 2538135570000 2707344608000 3248813529600 3384180760000 4061016912000 5076271140000 5414689216000 6768361520000 8122033824000 10152542280000 13536723040000 16244067648000 20305084560000 27073446080000 40610169120000 81220338240000
- Sum of all divisors σ(n): 271000835223360
- Sum of proper divisors (its aliquot sum) s(n): 189780496983360
- 81220338240000 is an abundant number, because the sum of its proper divisors (189780496983360) is greater than itself. Its abundance is 108560158743360
Bases of 81220338240000
- Binary: 100100111011110100101010110100011001010000000002
- Hexadecimal: 0x49DE9568CA00
- Base-36: SSG3WCA2O
Squares and roots of 81220338240000
- 81220338240000 squared (812203382400002) is 6596743343820006297600000000
- 81220338240000 cubed (812203382400003) is 535789725667529525170002100224000000000000
-
The
square root of 81220338240000 is 9012232.7000582935 -
The
cube root of 81220338240000 is 43306.6840252429
Scales and comparisons
How big is 81220338240000?- 81,220,338,240,000 seconds is equal to 2,582,555 years, 27 weeks, 2 days, 2 hours, 40 minutes.
-
To count from 1 to 81,220,338,240,000 would take you about six million, four hundred fifty-six thousand, three hundred eighty-eight 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 81220338240000 cubic inches would be around 3608.9 feet tall.
Recreational maths with 81220338240000
- 81220338240000 backwards is 00004283302218
- The number of decimal digits it has is: 14
- The sum of 81220338240000's digits is 33
- More coming soon!
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