61385139648

Names of 61385139648

• Cardinal: 61385139648 can be written as Sixty-one billion, three hundred eighty-five million, one hundred thirty-nine thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 6.1385139648 × 10¹⁰

Factors of 61385139648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 53100

Divisors of 61385139648

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 41 42 48 49 56 63 64 72 82 84 96 98 112 123 126 144 147 164 168 192 196 224 246 252 287 288 294 328 336 369 392 441 448 492 504 574 576 588 656 672 738 784 861 882 984 1008 1148 1176 1312 1344 1476 1568 1722 1764 1968 2009 2016 2296 2352 2583 2624 2952 3136 3444 3528 3936 4018 4032 4592 4704 5166 5904 6027 6888 7056 7872 8036 9184 9408 10332 11808 12054 13776 14112 16072 18081 18368 20664 23616 24108 27552 28224 32144 36162 41328 48216 53047 55104 64288 72324 82656 96432 106094 128576 144648 159141 165312 192864 212188 289296 318282 371329 385728 424376 477423 578592 636564 742658 848752 954846 1113987 1157184 1273128 1485316 1697504 1909692 2174927 2227974 2546256 2599303 2970632 3341961 3395008 3819384 4349854 4455948 5092512 5198606 5941264 6524781 6683922 7638768 7797909 8699708 8911896 10185024 10397212 11882528 13049562 13367844 15224489 15277536 15595818 17399416 17823792 19574343 20794424 23393727 23765056 26099124 26735688 30448978 30555072 31191636 34798832 35647584 39148686 41588848 45673467 46787454 52198248 53471376 60897956 62383272 69597664 71295168 78297372 83177696 91346934 93574908 104396496 106571423 106942752 121795912 124766544 137020401 139195328 156594744 166355392 182693868 187149816 208792992 213142846 213885504 243591824 249533088 274040802 313189488 319714269 365387736 374299632 417585984 426285692 487183648 499066176 548081604 626378976 639428538 730775472 748599264 852571384 959142807 974367296 1096163208 1252757952 1278857076 1461550944 1497198528 1705142768 1918285614 2192326416 2557714152 2923101888 3410285536 3836571228 4384652832 5115428304 6820571072 7673142456 8769305664 10230856608 15346284912 20461713216 30692569824 61385139648
• Sum of all divisors σ(n): 209671901712
• Sum of proper divisors (its aliquot sum) s(n): 148286762064
• 61385139648 is an abundant number, because the sum of its proper divisors (148286762064) is greater than itself. Its abundance is 86901622416

Bases of 61385139648

• Binary: 111001001010110101101110010111000000₂
• Hexadecimal: 0xE4AD6E5C0
• Base-36: S774KW0

Squares and roots of 61385139648

• 61385139648 squared (61385139648²) is 3768135369604461563904
• 61385139648 cubed (61385139648³) is 231307515875737967624095516065792
• The square root of 61385139648 is 247760.2463027513
• The cube root of 61385139648 is 3944.7645137909

Scales and comparisons

• 61,385,139,648 seconds is equal to 1,951 years, 44 weeks, 4 days, 3 hours, 40 minutes, 48 seconds.
• To count from 1 to 61,385,139,648 would take you about three thousand, nine hundred three 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 61385139648 cubic inches would be around 328.7 feet tall.

Recreational maths with 61385139648

• 61385139648 backwards is 84693158316
• The number of decimal digits it has is: 11
• The sum of 61385139648's digits is 54
• More coming soon!