21532679740

Names of 21532679740

• Cardinal: 21532679740 can be written as Twenty-one billion, five hundred thirty-two million, six hundred seventy-nine thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.153267974 × 10¹⁰

Factors of 21532679740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2226

Divisors of 21532679740

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 11 13 17 20 22 26 34 44 52 55 65 68 85 110 130 143 170 187 220 221 227 260 286 340 374 442 454 572 715 748 884 908 935 1105 1135 1430 1870 1951 2210 2270 2431 2497 2860 2951 3740 3859 3902 4420 4540 4862 4994 5902 7718 7804 9724 9755 9988 11804 12155 12485 14755 15436 19295 19510 21461 24310 24970 25363 29510 32461 33167 38590 39020 42449 42922 48620 49940 50167 50726 59020 64922 66334 77180 84898 85844 100334 101452 107305 126815 129844 132668 162305 165835 169796 200668 212245 214610 250835 253630 278993 324610 331670 364837 424490 429220 431171 442877 501670 507260 551837 557986 649220 663340 729674 848980 862342 885754 1003340 1103674 1115972 1394965 1459348 1724684 1771508 1824185 2155855 2207348 2214385 2759185 2789930 3648370 4311710 4428770 4742881 4871647 5518370 5579860 5757401 7296740 7528909 8623420 8857540 9485762 9743294 11036740 11514802 15057818 18971524 19486588 23029604 23714405 24358235 28787005 30115636 37644545 47428810 48716470 57574010 63331411 75289090 82817999 94857620 97432940 97875817 115148020 126662822 150578180 165635998 195751634 253325644 316657055 331271996 391503268 414089995 489379085 633314110 828179990 978758170 1076633987 1266628220 1656359980 1957516340 2153267974 4306535948 5383169935 10766339870 21532679740
• Sum of all divisors σ(n): 56525672448
• Sum of proper divisors (its aliquot sum) s(n): 34992992708
• 21532679740 is an abundant number, because the sum of its proper divisors (34992992708) is greater than itself. Its abundance is 13460312968

Bases of 21532679740

• Binary: 10100000011011100101001111000111100₂
• Hexadecimal: 0x503729E3C
• Base-36: 9W4020S

Squares and roots of 21532679740

• 21532679740 squared (21532679740²) is 463656296785406467600
• 21532679740 cubed (21532679740³) is 9983762548114548972555486424000
• The square root of 21532679740 is 146740.1776610619
• The cube root of 21532679740 is 2782.0570209427

Scales and comparisons

• 21,532,679,740 seconds is equal to 684 years, 34 weeks, 6 days, 19 hours, 55 minutes, 40 seconds.
• To count from 1 to 21,532,679,740 would take you about one thousand, three hundred sixty-nine 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 21532679740 cubic inches would be around 231.8 feet tall.

Recreational maths with 21532679740

• 21532679740 backwards is 04797623512
• The number of decimal digits it has is: 11
• The sum of 21532679740's digits is 46
• More coming soon!