61438643630

Names of 61438643630

• Cardinal: 61438643630 can be written as Sixty-one billion, four hundred thirty-eight million, six hundred forty-three thousand, six hundred thirty.

Scientific notation

• Scientific notation: 6.143864363 × 10¹⁰

Factors of 61438643630

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 321

Divisors of 61438643630

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 7 10 13 14 26 31 35 49 62 65 70 91 98 130 155 169 182 217 245 263 310 338 343 403 434 455 490 526 637 686 806 845 910 1085 1183 1274 1315 1519 1690 1715 1841 2015 2170 2197 2366 2630 2821 3038 3185 3419 3430 3682 4030 4394 4459 5239 5642 5915 6370 6838 7595 8153 8281 8918 9205 10478 10633 10985 11830 12887 14105 15190 15379 16306 16562 17095 18410 19747 21266 21970 22295 23933 25774 26195 28210 30758 34190 36673 39494 40765 41405 44447 44590 47866 52390 53165 57071 57967 64435 68107 73346 76895 81530 82810 88894 90209 98735 105989 106330 107653 114142 115934 119665 128870 136214 138229 153790 167531 180418 183365 197470 211978 215306 222235 239330 256711 276458 285355 289835 311129 335062 340535 366730 399497 444470 451045 476749 513422 529945 538265 570710 577811 579670 622258 681070 691145 741923 753571 798994 837655 902090 953498 1059890 1076530 1155622 1172717 1283555 1377857 1382290 1483846 1507142 1555645 1675310 1796977 1997485 2177903 2345434 2383745 2567110 2755714 2796479 2889055 3111290 3337243 3593954 3709615 3767855 3994970 4044677 4355806 4767490 5193461 5592958 5778110 5863585 6674486 6889285 7419230 7535710 8089354 8984885 9644999 10386922 10889515 11727170 13778570 13982395 15245321 16686215 17912141 17969770 19289998 20223385 21779030 23360701 25967305 27964790 28312739 30490642 33372430 35824282 36354227 40446770 46721402 48224995 51934610 56625478 67514993 72708454 76226605 89560705 96449990 116803505 125384987 135029986 141563695 152453210 179121410 181771135 198189173 233607010 250769974 283127390 337574965 363542270 396378346 472604951 626924935 675149930 877694909 945209902 990945865 1253849870 1755389818 1981891730 2363024755 4388474545 4726049510 6143864363 8776949090 12287728726 30719321815 61438643630
• Sum of all divisors σ(n): 144764928000
• Sum of proper divisors (its aliquot sum) s(n): 83326284370
• 61438643630 is an abundant number, because the sum of its proper divisors (83326284370) is greater than itself. Its abundance is 21887640740

Bases of 61438643630

• Binary: 111001001110000001110100110110101110₂
• Hexadecimal: 0xE4E074DAE
• Base-36: S82ZCTQ

Squares and roots of 61438643630

• 61438643630 squared (61438643630²) is 3774706931094139576900
• 61438643630 cubed (61438643630³) is 231912873947183807446638080147000
• The square root of 61438643630 is 247868.1981013297
• The cube root of 61438643630 is 3945.9102814227

Scales and comparisons

• 61,438,643,630 seconds is equal to 1,953 years, 29 weeks, 9 hours, 53 minutes, 50 seconds.
• To count from 1 to 61,438,643,630 would take you about three thousand, nine hundred seven 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 61438643630 cubic inches would be around 328.8 feet tall.

Recreational maths with 61438643630

• 61438643630 backwards is 03634683416
• The number of decimal digits it has is: 11
• The sum of 61438643630's digits is 44
• More coming soon!