61440535890

Names of 61440535890

• Cardinal: 61440535890 can be written as Sixty-one billion, four hundred forty million, five hundred thirty-five thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 6.144053589 × 10¹⁰

Factors of 61440535890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5737

Divisors of 61440535890

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 255 289 306 449 510 578 765 867 898 1347 1445 1530 1734 2245 2601 2694 2890 4041 4335 4490 5202 5261 6735 7633 8082 8670 10522 13005 13470 15266 15783 20205 22899 26010 26305 31566 38165 40410 45798 47349 52610 68697 76330 78915 89437 94698 114495 129761 137394 157830 178874 228990 236745 259522 268311 343485 389283 447185 473490 536622 648805 686970 778566 804933 894370 1167849 1297610 1341555 1520429 1609866 1946415 2335698 2362189 2683110 3040858 3892830 4024665 4561287 4724378 5839245 7086567 7602145 8049330 9122574 11678490 11810945 13683861 14173134 15204290 21259701 22806435 23621890 27367722 35432835 40157213 42519402 45612870 68419305 70865670 80314426 106298505 120471639 136838610 200786065 212597010 240943278 361414917 401572130 602358195 682672621 722829834 1204716390 1365345242 1807074585 2048017863 3413363105 3614149170 4096035726 6144053589 6826726210 10240089315 12288107178 20480178630 30720267945 61440535890
• Sum of all divisors σ(n): 170105200200
• Sum of proper divisors (its aliquot sum) s(n): 108664664310
• 61440535890 is an abundant number, because the sum of its proper divisors (108664664310) is greater than itself. Its abundance is 47224128420

Bases of 61440535890

• Binary: 111001001110001001000010110101010010₂
• Hexadecimal: 0xE4E242D52
• Base-36: S843WWI

Squares and roots of 61440535890

• 61440535890 squared (61440535890²) is 3774939450450378092100
• 61440535890 cubed (61440535890³) is 231934302787973331831739775469000
• The square root of 61440535890 is 247872.0151408787
• The cube root of 61440535890 is 3945.9507912773

Scales and comparisons

• 61,440,535,890 seconds is equal to 1,953 years, 32 weeks, 1 day, 7 hours, 31 minutes, 30 seconds.
• To count from 1 to 61,440,535,890 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 61440535890 cubic inches would be around 328.8 feet tall.

Recreational maths with 61440535890

• 61440535890 backwards is 09853504416
• 61440535890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 61440535890's digits is 45
• More coming soon!