21262621940

Names of 21262621940

• Cardinal: 21262621940 can be written as Twenty-one billion, two hundred sixty-two million, six hundred twenty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.126262194 × 10¹⁰

Factors of 21262621940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 350

Divisors of 21262621940

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 29 35 43 49 58 70 86 98 116 127 137 140 145 172 196 203 215 245 254 274 290 301 406 430 490 508 548 580 602 635 685 812 860 889 959 980 1015 1204 1247 1270 1370 1421 1505 1778 1918 2030 2107 2494 2540 2740 2842 3010 3556 3683 3836 3973 4060 4214 4445 4795 4988 5461 5684 5891 6020 6223 6235 6713 7105 7366 7946 8428 8729 8890 9590 10535 10922 11782 12446 12470 13426 14210 14732 15892 17399 17458 17780 18415 19180 19865 21070 21844 23564 24892 24940 25781 26852 27305 27811 28420 29455 31115 33565 34798 34916 36830 38227 39730 41237 42140 43645 51562 54610 55622 58910 61103 62230 67130 69596 73660 76454 79460 82474 86995 87290 103124 109220 111244 117820 121793 122206 124460 128905 134260 139055 152908 158369 164948 170839 173990 174580 180467 191135 194677 206185 243586 244412 257810 267589 278110 288659 305515 316738 341678 347980 360934 382270 389354 412370 487172 504571 515620 535178 556220 577318 608965 611030 633476 683356 721868 748157 764540 778708 791845 824740 852551 854195 902335 973385 1009142 1070356 1108583 1154636 1195873 1217930 1222060 1337945 1443295 1496314 1583690 1705102 1708390 1804670 1946770 2018284 2217166 2391746 2435860 2522855 2675890 2886590 2992628 3167380 3410204 3416780 3531997 3609340 3740785 3893540 4262755 4434332 4783492 5045710 5237099 5351780 5542915 5773180 5979365 7063994 7481570 7760081 8371111 8525510 10091420 10474198 11085830 11958730 14127988 14963140 15520162 16742222 17051020 17659985 20948396 21696553 22171660 23917460 24723979 26185495 31040324 33484444 35319970 36659693 38800405 41855555 43393106 49447958 52370990 70639940 73319386 77600810 83711110 86786212 98895916 104741980 108482765 123619895 146638772 151875871 155201620 167422220 183298465 216965530 247239790 303751742 366596930 433931060 494479580 607503484 733193860 759379355 1063131097 1518758710 2126262194 3037517420 4252524388 5315655485 10631310970 21262621940
• Sum of all divisors σ(n): 55819653120
• Sum of proper divisors (its aliquot sum) s(n): 34557031180
• 21262621940 is an abundant number, because the sum of its proper divisors (34557031180) is greater than itself. Its abundance is 13294409240

Bases of 21262621940

• Binary: 10011110011010110011101110011110100₂
• Hexadecimal: 0x4F359DCF4
• Base-36: 9RN7S38

Squares and roots of 21262621940

• 21262621940 squared (21262621940²) is 452099091763369363600
• 21262621940 cubed (21262621940³) is 9612812067581890718805197384000
• The square root of 21262621940 is 145817.0838413661
• The cube root of 21262621940 is 2770.3774216707

Scales and comparisons

• 21,262,621,940 seconds is equal to 676 years, 4 weeks, 3 days, 3 hours, 52 minutes, 20 seconds.
• To count from 1 to 21,262,621,940 would take you about one thousand, three hundred fifty-two 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 21262621940 cubic inches would be around 230.9 feet tall.

Recreational maths with 21262621940

• 21262621940 backwards is 04912626212
• 21262621940 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21262621940's digits is 35
• More coming soon!