138156960

Names of 138156960

• Cardinal: 138156960 can be written as One hundred thirty-eight million, one hundred fifty-six thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.3815696 × 10⁸

Factors of 138156960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16958

Divisors of 138156960

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 68 80 85 96 102 120 136 160 170 204 240 255 272 340 408 480 510 544 680 816 1020 1360 1632 2040 2720 4080 8160 16931 33862 50793 67724 84655 101586 135448 169310 203172 253965 270896 287827 338620 406344 507930 541792 575654 677240 812688 863481 1015860 1151308 1354480 1439135 1625376 1726962 2031720 2302616 2708960 2878270 3453924 4063440 4317405 4605232 5756540 6907848 8126880 8634810 9210464 11513080 13815696 17269620 23026160 27631392 34539240 46052320 69078480 138156960
• Sum of all divisors σ(n): 460821312
• Sum of proper divisors (its aliquot sum) s(n): 322664352
• 138156960 is an abundant number, because the sum of its proper divisors (322664352) is greater than itself. Its abundance is 184507392

Bases of 138156960

• Binary: 1000001111000001101110100000₂
• Hexadecimal: 0x83C1BA0
• Base-36: 2A96LC

Squares and roots of 138156960

• 138156960 squared (138156960²) is 19087345596441600
• 138156960 cubed (138156960³) is 2637049642073758273536000
• The square root of 138156960 is 11754.0188871721
• The cube root of 138156960 is 516.9607723143

Scales and comparisons

• 138,156,960 seconds is equal to 4 years, 20 weeks, 3 days, 56 minutes.
• To count from 1 to 138,156,960 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 138156960 cubic inches would be around 43.1 feet tall.

Recreational maths with 138156960

• 138156960 backwards is 069651831
• The number of decimal digits it has is: 9
• The sum of 138156960's digits is 39
• More coming soon!