138816948400

Names of 138816948400

• Cardinal: 138816948400 can be written as One hundred thirty-eight billion, eight hundred sixteen million, nine hundred forty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.388169484 × 10¹¹

Factors of 138816948400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 138532

Divisors of 138816948400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 193 200 208 260 325 386 400 520 650 772 965 1040 1300 1544 1930 2509 2600 3088 3860 4825 5018 5200 7720 9650 10036 12545 15440 19300 20072 25090 38600 40144 50180 62725 77200 100360 125450 138319 200720 250900 276638 501800 553276 691595 1003600 1106552 1383190 1798147 2213104 2766380 3457975 3596294 5532760 6915950 7192588 8990735 11065520 13831900 14385176 17981470 26695567 27663800 28770352 35962940 44953675 53391134 55327600 71925880 89907350 106782268 133477835 143851760 179814700 213564536 266955670 347042371 359629400 427129072 533911340 667389175 694084742 719258800 1067822680 1334778350 1388169484 1735211855 2135645360 2669556700 2776338968 3470423710 5339113400 5552677936 6940847420 8676059275 10678226800 13881694840 17352118550 27763389680 34704237100 69408474200 138816948400
• Sum of all divisors σ(n): 361025712320
• Sum of proper divisors (its aliquot sum) s(n): 222208763920
• 138816948400 is an abundant number, because the sum of its proper divisors (222208763920) is greater than itself. Its abundance is 83391815520

Bases of 138816948400

• Binary: 10000001010010001000101000100010110000₂
• Hexadecimal: 0x20522288B0
• Base-36: 1RRS0YWG

Squares and roots of 138816948400

• 138816948400 squared (138816948400²) is 19270145163088262560000
• 138816948400 cubed (138816948400³) is 2675022746764932928437171904000000
• The square root of 138816948400 is 372581.4654542011
• The cube root of 138816948400 is 5177.8265455295

Scales and comparisons

• 138,816,948,400 seconds is equal to 4,413 years, 49 weeks, 2 days, 15 hours, 26 minutes, 40 seconds.
• To count from 1 to 138,816,948,400 would take you about eight thousand, eight hundred twenty-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 138816948400 cubic inches would be around 431.5 feet tall.

Recreational maths with 138816948400

• 138816948400 backwards is 004849618831
• 138816948400 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138816948400's digits is 52
• More coming soon!