61351668

Names of 61351668

• Cardinal: 61351668 can be written as Sixty-one million, three hundred fifty-one thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 6.1351668 × 10⁷

Factors of 61351668

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 210

Divisors of 61351668

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 71 81 84 108 126 127 142 162 189 213 243 252 254 284 324 378 381 426 486 497 508 567 639 756 762 852 889 972 994 1134 1143 1278 1491 1524 1701 1778 1917 1988 2268 2286 2556 2667 2982 3402 3429 3556 3834 4473 4572 5334 5751 5964 6804 6858 7668 8001 8946 9017 10287 10668 11502 13419 13716 16002 17253 17892 18034 20574 23004 24003 26838 27051 30861 32004 34506 36068 40257 41148 48006 53676 54102 61722 63119 69012 72009 80514 81153 96012 108204 120771 123444 126238 144018 161028 162306 189357 216027 241542 243459 252476 288036 324612 378714 432054 483084 486918 568071 730377 757428 864108 973836 1136142 1460754 1704213 2191131 2272284 2921508 3408426 4382262 5112639 6816852 8764524 10225278 15337917 20450556 30675834 61351668
• Sum of all divisors σ(n): 187858944
• Sum of proper divisors (its aliquot sum) s(n): 126507276
• 61351668 is an abundant number, because the sum of its proper divisors (126507276) is greater than itself. Its abundance is 65155608

Bases of 61351668

• Binary: 11101010000010011011110100₂
• Hexadecimal: 0x3A826F4
• Base-36: 10IZ90

Squares and roots of 61351668

• 61351668 squared (61351668²) is 3764027166382224
• 61351668 cubed (61351668³) is 230929345054862967949632
• The square root of 61351668 is 7832.7305583685
• The cube root of 61351668 is 394.4047392481

Scales and comparisons

• 61,351,668 seconds is equal to 1 year, 49 weeks, 3 days, 2 hours, 7 minutes, 48 seconds.
• To count from 1 to 61,351,668 would take you about 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 61351668 cubic inches would be around 32.9 feet tall.

Recreational maths with 61351668

• 61351668 backwards is 86615316
• 61351668 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 61351668's digits is 36
• More coming soon!