20727987840

Names of 20727987840

• Cardinal: 20727987840 can be written as Twenty billion, seven hundred twenty-seven million, nine hundred eighty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.072798784 × 10¹⁰

Factors of 20727987840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 288

Divisors of 20727987840

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 49 56 60 63 64 70 72 80 84 90 96 98 105 112 120 126 128 140 144 147 160 168 180 192 196 210 224 240 245 252 271 280 288 294 315 320 336 360 384 392 420 441 448 480 490 504 542 560 576 588 630 640 672 720 735 784 813 840 882 896 960 980 1008 1084 1120 1152 1176 1260 1344 1355 1440 1470 1568 1626 1680 1764 1897 1920 1960 2016 2168 2205 2240 2352 2439 2520 2688 2710 2880 2940 3136 3252 3360 3528 3794 3920 4032 4065 4336 4410 4480 4704 4878 5040 5420 5691 5760 5880 6272 6504 6720 7056 7588 7840 8064 8130 8672 8820 9408 9485 9756 10080 10840 11382 11760 12195 13008 13279 13440 14112 15176 15680 16260 17073 17344 17640 18816 18970 19512 20160 21680 22764 23520 24390 26016 26558 28224 28455 30352 31360 32520 34146 34688 35280 37940 39024 39837 40320 43360 45528 47040 48780 52032 53116 56448 56910 60704 65040 66395 68292 70560 73441 75880 78048 79674 85365 86720 91056 94080 97560 104064 106232 113820 119511 121408 130080 132790 136584 141120 146882 151760 156096 159348 170730 173440 182112 195120 199185 212464 220323 227640 239022 242816 260160 265580 273168 282240 293764 303520 312192 318696 341460 364224 367205 390240 398370 424928 440646 455280 478044 514087 520320 531160 546336 587528 597555 607040 637392 660969 682920 728448 734410 780480 796740 849856 881292 910560 956088 1028174 1062320 1092672 1101615 1175056 1195110 1214080 1274784 1321938 1365840 1468820 1542261 1560960 1593480 1699712 1762584 1821120 1912176 2056348 2124640 2185344 2203230 2350112 2390220 2549568 2570435 2643876 2731680 2937640 3084522 3186960 3304845 3525168 3598609 3642240 3824352 4112696 4249280 4406460 4626783 4700224 4780440 5099136 5140870 5287752 5463360 5875280 6169044 6373920 6609690 7050336 7197218 7648704 7711305 8225392 8498560 8812920 9253566 9400448 9560880 10281740 10575504 10795827 10926720 11750560 12338088 12747840 13219380 14100672 14394436 15297408 15422610 16450784 17625840 17993045 18507132 19121760 20563480 21151008 21591654 23133915 23501120 24676176 25495680 26438760 28201344 28788872 30845220 32387481 32901568 35251680 35986090 37014264 38243520 41126960 42302016 43183308 46267830 47002240 49352352 52877520 53979135 57577744 61690440 64774962 65803136 70503360 71972180 74028528 76487040 82253920 84604032 86366616 92535660 98704704 105755040 107958270 115155488 123380880 129549924 141006720 143944360 148057056 161937405 164507840 172733232 185071320 197409408 211510080 215916540 230310976 246761760 259099848 287888720 296114112 323874810 329015680 345466464 370142640 423020160 431833080 460621952 493523520 518199696 575777440 592228224 647749620 690932928 740285280 863666160 987047040 1036399392 1151554880 1295499240 1381865856 1480570560 1727332320 2072798784 2303109760 2590998480 2961141120 3454664640 4145597568 5181996960 6909329280 10363993920 20727987840
• Sum of all divisors σ(n): 83570639490
• Sum of proper divisors (its aliquot sum) s(n): 62842651650
• 20727987840 is an abundant number, because the sum of its proper divisors (62842651650) is greater than itself. Its abundance is 42114663810

Bases of 20727987840

• Binary: 10011010011011110111111111010000000₂
• Hexadecimal: 0x4D37BFE80
• Base-36: 9ISWPS0

Squares and roots of 20727987840

• 20727987840 squared (20727987840²) is 429649479895187865600
• 20727987840 cubed (20727987840³) is 8905769194729778552672354304000
• The square root of 20727987840 is 143972.1773121459
• The cube root of 20727987840 is 2746.9602926531

Scales and comparisons

• 20,727,987,840 seconds is equal to 659 years, 4 weeks, 3 days, 6 hours, 24 minutes.
• To count from 1 to 20,727,987,840 would take you about one thousand, three hundred eighteen 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 20727987840 cubic inches would be around 228.9 feet tall.

Recreational maths with 20727987840

• 20727987840 backwards is 04878972702
• The number of decimal digits it has is: 11
• The sum of 20727987840's digits is 54
• More coming soon!