21231694770

Names of 21231694770

• Cardinal: 21231694770 can be written as Twenty-one billion, two hundred thirty-one million, six hundred ninety-four thousand, seven hundred seventy.

Scientific notation

• Scientific notation: 2.123169477 × 10¹⁰

Factors of 21231694770

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 174

Divisors of 21231694770

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 61 65 66 78 79 110 122 130 143 158 165 169 183 195 237 286 305 330 338 366 390 395 429 474 507 610 671 715 790 793 845 858 869 915 1014 1027 1185 1342 1430 1586 1690 1738 1830 1859 2013 2054 2145 2370 2379 2535 2607 3081 3355 3718 3965 4026 4290 4345 4758 4819 5070 5135 5214 5577 6162 6241 6710 7930 8690 8723 9295 9638 10065 10270 10309 11154 11297 11895 12482 13035 13351 14457 15405 17446 18590 18723 20130 20618 22594 23790 24095 26070 26169 26702 27885 28914 30810 30927 31205 33891 37446 40053 43615 48190 51545 52338 53009 55770 56485 61854 62410 62647 66755 67782 68651 72285 80106 81133 87230 93615 103090 106018 112970 113399 125294 130845 133510 137302 144570 146861 154635 159027 162266 169455 187230 187941 200265 205953 226798 243399 261690 265045 293722 309270 313235 318054 338910 340197 343255 375882 380701 400530 405665 411906 440583 486798 530090 566995 626470 680394 686510 689117 734305 761402 795135 811330 814411 881166 892463 939705 1029765 1054729 1133990 1142103 1216995 1378234 1468610 1590270 1628822 1700985 1784926 1879410 1903505 2059530 2067351 2109458 2202915 2284206 2433990 2443233 2677389 3164187 3401970 3445585 3807010 4072055 4134702 4187711 4405830 4462315 4886466 4949113 5273645 5354778 5710515 6328374 6891170 8144110 8375422 8924630 8958521 9898226 10336755 10547290 11421030 11602019 12216165 12563133 13386945 14847339 15820935 17917042 20673510 20938555 23204038 24432330 24745565 25126266 26773890 26875563 29694678 31641870 34806057 41877110 44792605 49491130 53751126 54440243 58010095 62815665 64338469 69612114 74236695 89585210 108880486 116020190 125631330 128676938 134377815 148473390 163320729 174030285 193015407 268755630 272201215 321692345 326641458 348060570 386030814 544402430 643384690 707723159 816603645 965077035 1415446318 1633207290 1930154070 2123169477 3538615795 4246338954 7077231590 10615847385 21231694770
• Sum of all divisors σ(n): 61964409024
• Sum of proper divisors (its aliquot sum) s(n): 40732714254
• 21231694770 is an abundant number, because the sum of its proper divisors (40732714254) is greater than itself. Its abundance is 19501019484

Bases of 21231694770

• Binary: 10011110001100000011111001110110010₂
• Hexadecimal: 0x4F181F3B2
• Base-36: 9R4SWJ6

Squares and roots of 21231694770

• 21231694770 squared (21231694770²) is 450784862806445352900
• 21231694770 cubed (21231694770³) is 9570926614042773321457734333000
• The square root of 21231694770 is 145710.9974229811
• The cube root of 21231694770 is 2769.0335687703

Scales and comparisons

• 21,231,694,770 seconds is equal to 675 years, 5 weeks, 2 days, 4 hours, 59 minutes, 30 seconds.
• To count from 1 to 21,231,694,770 would take you about one thousand, three hundred fifty 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 21231694770 cubic inches would be around 230.8 feet tall.

Recreational maths with 21231694770

• 21231694770 backwards is 07749613212
• The number of decimal digits it has is: 11
• The sum of 21231694770's digits is 42
• More coming soon!