20508958720

Names of 20508958720

• Cardinal: 20508958720 can be written as Twenty billion, five hundred eight million, nine hundred fifty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.050895872 × 10¹⁰

Factors of 20508958720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 99

Divisors of 20508958720

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 64 73 76 80 95 128 146 152 160 190 256 292 304 320 361 365 380 512 584 608 640 722 730 760 1024 1168 1216 1280 1387 1444 1460 1520 1805 2048 2336 2432 2560 2774 2888 2920 3040 3610 4096 4672 4864 5120 5548 5776 5840 6080 6859 6935 7220 8192 9344 9728 10240 11096 11552 11680 12160 13718 13870 14440 18688 19456 20480 22192 23104 23360 24320 26353 27436 27740 28880 34295 37376 38912 40960 44384 46208 46720 48640 52706 54872 55480 57760 68590 74752 77824 88768 92416 93440 97280 105412 109744 110960 115520 131765 137180 149504 155648 177536 184832 186880 194560 210824 219488 221920 231040 263530 274360 299008 355072 369664 373760 389120 421648 438976 443840 462080 500707 527060 548720 598016 710144 739328 747520 778240 843296 877952 887680 924160 1001414 1054120 1097440 1420288 1478656 1495040 1686592 1755904 1775360 1848320 2002828 2108240 2194880 2503535 2840576 2957312 2990080 3373184 3511808 3550720 3696640 4005656 4216480 4389760 5007070 5681152 6746368 7023616 7101440 7393280 8011312 8432960 8779520 10014140 11362304 13492736 14047232 14202880 14786560 16022624 16865920 17559040 20028280 26985472 28094464 28405760 32045248 33731840 35118080 40056560 53970944 56188928 56811520 64090496 67463680 70236160 80113120 107941888 128180992 134927360 140472320 160226240 215883776 256361984 269854720 280944640 320452480 512723968 539709440 640904960 1025447936 1079418880 1281809920 2050895872 2563619840 4101791744 5127239680 10254479360 20508958720
• Sum of all divisors σ(n): 52664136480
• Sum of proper divisors (its aliquot sum) s(n): 32155177760
• 20508958720 is an abundant number, because the sum of its proper divisors (32155177760) is greater than itself. Its abundance is 11646219040

Bases of 20508958720

• Binary: 10011000110011011011110000000000000₂
• Hexadecimal: 0x4C66DE000
• Base-36: 9F6I5TS

Squares and roots of 20508958720

• 20508958720 squared (20508958720²) is 420617387778664038400
• 20508958720 cubed (20508958720³) is 8626424642866853260294094848000
• The square root of 20508958720 is 143209.4924228139
• The cube root of 20508958720 is 2737.2504572125

Scales and comparisons

• 20,508,958,720 seconds is equal to 652 years, 6 weeks, 2 days, 4 hours, 58 minutes, 40 seconds.
• To count from 1 to 20,508,958,720 would take you about one thousand, three 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 20508958720 cubic inches would be around 228.1 feet tall.

Recreational maths with 20508958720

• 20508958720 backwards is 02785980502
• The number of decimal digits it has is: 11
• The sum of 20508958720's digits is 46
• More coming soon!