21358667330

Names of 21358667330

• Cardinal: 21358667330 can be written as Twenty-one billion, three hundred fifty-eight million, six hundred sixty-seven thousand, three hundred thirty.

Scientific notation

• Scientific notation: 2.135866733 × 10¹⁰

Factors of 21358667330

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 547

Divisors of 21358667330

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 7 10 11 13 14 22 23 26 29 35 46 49 55 58 65 70 77 91 98 110 115 130 143 145 154 161 182 203 230 245 253 286 290 299 319 322 377 385 406 455 457 490 506 539 598 637 638 667 715 754 770 805 910 914 1001 1015 1078 1127 1265 1274 1334 1421 1430 1495 1595 1610 1771 1885 2002 2030 2093 2233 2254 2285 2530 2639 2695 2842 2990 3185 3190 3199 3289 3335 3542 3770 4147 4186 4466 4570 4669 5005 5027 5278 5390 5635 5941 6370 6398 6578 6670 7007 7105 7337 8294 8671 8855 9338 10010 10054 10465 10511 11165 11270 11882 12397 13195 13253 14014 14210 14651 14674 15631 15995 16445 17342 17710 18473 20735 20930 21022 22330 22393 23023 23345 24794 25135 26390 26506 29029 29302 29705 31262 31990 32683 32890 35035 35189 36685 36946 41470 41587 43355 44786 46046 46690 50270 51359 52555 58058 59410 60697 61985 65351 65366 66265 70070 70378 73255 73370 73577 78155 83174 86710 92365 92771 95381 102718 105110 111965 115115 115621 121394 123970 130702 132530 136643 145145 145783 146510 147154 156310 161161 163415 172289 175945 184730 185542 190762 203203 207935 223930 230230 231242 246323 256795 273286 290290 291109 291566 303485 304819 322322 326755 326830 344578 351890 359513 367885 406406 415870 424879 457457 463855 476905 492646 513590 515039 578105 582218 606970 609638 649397 653510 667667 683215 719026 728915 735770 805805 809347 849758 861445 914914 927710 953810 956501 1016015 1020481 1030078 1156210 1206023 1231615 1298794 1335334 1366430 1455545 1457830 1503073 1524095 1611610 1618694 1722890 1797565 1895179 1913002 2032030 2040962 2124395 2133733 2287285 2412046 2463230 2575195 2911090 3006146 3048190 3202199 3246985 3338335 3353009 3595130 3790358 3962647 4046735 4248790 4267466 4574570 4673669 4782505 5102405 5150390 5665429 6030115 6404398 6493970 6676670 6695507 6706018 7143367 7515365 7925294 8093470 8442161 9347338 9475895 9565010 10204810 10521511 10668665 11330858 12060230 13266253 13391014 14286734 14936131 15030730 16010995 16765045 16884322 18951790 19813235 21043022 21337330 23368345 23471063 26532506 27738529 28327145 29872262 32021990 33477535 33530090 35716835 39626470 42210805 43589117 46736690 46942126 52607555 55477058 56654290 66331265 66955070 71433670 73650577 74680655 84421610 87178234 92863771 105215110 117355315 132662530 138692645 147301154 149361310 164297441 185727542 194169703 217945585 234710630 277385290 305123819 328594882 368252885 388339406 435891170 464318855 610247638 736505770 821487205 928637710 970848515 1525619095 1642974410 1941697030 2135866733 3051238190 4271733466 10679333665 21358667330
• Sum of all divisors σ(n): 56840071680
• Sum of proper divisors (its aliquot sum) s(n): 35481404350
• 21358667330 is an abundant number, because the sum of its proper divisors (35481404350) is greater than itself. Its abundance is 14122737020

Bases of 21358667330

• Binary: 10011111001000100110110011001000010₂
• Hexadecimal: 0x4F9136642
• Base-36: 9T8ED6Q

Squares and roots of 21358667330

• 21358667330 squared (21358667330²) is 456192670113609328900
• 21358667330 cubed (21358667330³) is 9743667479341014961559654837000
• The square root of 21358667330 is 146146.0479451975
• The cube root of 21358667330 is 2774.5425138751

Scales and comparisons

• 21,358,667,330 seconds is equal to 679 years, 7 weeks, 1 day, 19 hours, 8 minutes, 50 seconds.
• To count from 1 to 21,358,667,330 would take you about one thousand, three hundred fifty-eight 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 21358667330 cubic inches would be around 231.2 feet tall.

Recreational maths with 21358667330

• 21358667330 backwards is 03376685312
• The number of decimal digits it has is: 11
• The sum of 21358667330's digits is 44
• More coming soon!