138452964

Names of 138452964

• Cardinal: 138452964 can be written as One hundred thirty-eight million, four hundred fifty-two thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 1.38452964 × 10⁸

Factors of 138452964

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 155

Divisors of 138452964

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 12 13 17 26 34 37 39 51 52 68 74 78 83 102 111 148 156 166 204 221 222 249 289 332 442 444 481 498 578 629 663 867 884 962 996 1079 1156 1258 1326 1411 1443 1734 1887 1924 2158 2516 2652 2822 2886 3071 3237 3468 3757 3774 4233 4316 5644 5772 6142 6474 7514 7548 8177 8466 9213 10693 11271 12284 12948 15028 16354 16932 18343 18426 21386 22542 23987 24531 32079 32708 36686 36852 39923 42772 45084 47974 49062 52207 55029 64158 71961 73372 79846 95948 98124 104414 110058 119769 128316 139009 143922 156621 159692 208828 220116 239538 278018 287844 311831 313242 417027 479076 556036 623662 626484 678691 834054 887519 935493 1247324 1357382 1668108 1775038 1870986 2036073 2662557 2714764 3550076 3741972 4072146 5325114 8144292 10650228 11537747 23075494 34613241 46150988 69226482 138452964
• Sum of all divisors σ(n): 384138048
• Sum of proper divisors (its aliquot sum) s(n): 245685084
• 138452964 is an abundant number, because the sum of its proper divisors (245685084) is greater than itself. Its abundance is 107232120

Bases of 138452964

• Binary: 1000010000001001111111100100₂
• Hexadecimal: 0x8409FE4
• Base-36: 2AFIZO

Squares and roots of 138452964

• 138452964 squared (138452964²) is 19169223240385296
• 138452964 cubed (138452964³) is 2654035775209028733217344
• The square root of 138452964 is 11766.6037580945
• The cube root of 138452964 is 517.3297084909

Scales and comparisons

• 138,452,964 seconds is equal to 4 years, 20 weeks, 6 days, 11 hours, 9 minutes, 24 seconds.
• To count from 1 to 138,452,964 would take you about six 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 138452964 cubic inches would be around 43.1 feet tall.

Recreational maths with 138452964

• 138452964 backwards is 469254831
• The number of decimal digits it has is: 9
• The sum of 138452964's digits is 42
• More coming soon!