20827981440

Names of 20827981440

• Cardinal: 20827981440 can be written as Twenty billion, eight hundred twenty-seven million, nine hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.082798144 × 10¹⁰

Factors of 20827981440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 847

Divisors of 20827981440

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 128 135 140 144 160 168 180 189 192 210 216 224 240 252 270 280 288 315 320 336 360 378 384 409 420 421 432 448 480 504 540 560 576 630 640 672 720 756 818 840 842 864 896 945 960 1008 1080 1120 1152 1227 1260 1263 1344 1440 1512 1636 1680 1684 1728 1890 1920 2016 2045 2105 2160 2240 2454 2520 2526 2688 2863 2880 2947 3024 3272 3360 3368 3456 3681 3780 3789 4032 4090 4210 4320 4480 4908 5040 5052 5726 5760 5894 6048 6135 6315 6544 6720 6736 7362 7560 7578 8064 8180 8420 8589 8640 8841 9816 10080 10104 11043 11367 11452 11788 12096 12270 12630 13088 13440 13472 14315 14724 14735 15120 15156 16360 16840 17178 17280 17682 18405 18945 19632 20160 20208 22086 22734 22904 23576 24192 24540 25260 25767 26176 26523 26944 28630 29448 29470 30240 30312 32720 33680 34356 35364 36810 37890 39264 40320 40416 42945 44172 44205 45468 45808 47152 49080 50520 51534 52352 53046 53888 55215 56835 57260 58896 58940 60480 60624 65440 67360 68712 70728 73620 75780 77301 78528 79569 80832 85890 88344 88410 90936 91616 94304 98160 101040 103068 106092 110430 113670 114520 117792 117880 120960 121248 128835 130880 132615 134720 137424 141456 147240 151560 154602 157056 159138 161664 171780 172189 176688 176820 181872 183232 188608 196320 202080 206136 212184 220860 227340 229040 235584 235760 242496 257670 261760 265230 269440 274848 282912 294480 303120 309204 318276 343560 344378 353376 353640 363744 366464 377216 386505 392640 397845 404160 412272 424368 441720 454680 458080 471168 471520 484992 515340 516567 530460 549696 565824 588960 606240 618408 636552 687120 688756 706752 707280 727488 773010 785280 795690 808320 824544 848736 860945 883440 909360 916160 943040 1030680 1033134 1060920 1099392 1131648 1177920 1205323 1212480 1236816 1273104 1374240 1377512 1413504 1414560 1454976 1546020 1549701 1591380 1649088 1697472 1721890 1766880 1818720 1832320 1886080 2061360 2066268 2121840 2355840 2410646 2424960 2473632 2546208 2582835 2748480 2755024 2829120 3092040 3099402 3182760 3298176 3394944 3443780 3533760 3615969 3637440 4122720 4132536 4243680 4649103 4821292 4947264 5092416 5165670 5496960 5510048 5658240 6026615 6184080 6198804 6365520 6887560 7067520 7231938 7274880 7748505 8245440 8265072 8487360 9298206 9642584 9894528 10184832 10331340 10847907 11020096 12053230 12368160 12397608 12731040 13775120 14463876 15497010 16490880 16530144 16974720 18079845 18596412 19285168 20662680 21695814 22040192 23245515 24106460 24736320 24795216 25462080 27550240 28927752 30994020 32543721 33060288 36159690 37192824 38570336 41325360 43391628 46491030 48212920 49472640 49590432 50924160 54239535 55100480 57855504 61988040 65087442 66120576 72319380 74385648 77140672 82650720 86783256 92982060 96425840 99180864 108479070 110200960 115711008 123976080 130174884 144638760 148771296 154281344 162718605 165301440 173566512 185964120 192851680 198361728 216958140 231422016 247952160 260349768 289277520 297542592 325437210 330602880 347133024 371928240 385703360 433916280 462844032 495904320 520699536 578555040 595085184 650874420 694266048 743856480 771406720 867832560 991808640 1041399072 1157110080 1301748840 1388532096 1487712960 1735665120 2082798144 2314220160 2603497680 2975425920 3471330240 4165596288 5206995360 6942660480 10413990720 20827981440
• Sum of all divisors σ(n): 84710592000
• Sum of proper divisors (its aliquot sum) s(n): 63882610560
• 20827981440 is an abundant number, because the sum of its proper divisors (63882610560) is greater than itself. Its abundance is 43054629120

Bases of 20827981440

• Binary: 10011011001011100011100011010000000₂
• Hexadecimal: 0x4D971C680
• Base-36: 9KGFXC0

Squares and roots of 20827981440

• 20827981440 squared (20827981440²) is 433804810864984473600
• 20827981440 cubed (20827981440³) is 9035278549278606962028969984000
• The square root of 20827981440 is 144319.0266042561
• The cube root of 20827981440 is 2751.3703997339

Scales and comparisons

• 20,827,981,440 seconds is equal to 662 years, 13 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 20,827,981,440 would take you about one thousand, three hundred twenty-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 20827981440 cubic inches would be around 229.3 feet tall.

Recreational maths with 20827981440

• 20827981440 backwards is 04418972802
• 20827981440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20827981440's digits is 45
• More coming soon!