138998174080

Names of 138998174080

• Cardinal: 138998174080 can be written as One hundred thirty-eight billion, nine hundred ninety-eight million, one hundred seventy-four thousand and eighty.

Scientific notation

• Scientific notation: 1.3899817408 × 10¹¹

Factors of 138998174080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 132735

Divisors of 138998174080

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1657 3314 6628 8285 13256 16570 26512 33140 53024 66280 106048 131071 132560 212096 262142 265120 524284 530240 655355 1048568 1060480 1310710 2097136 2621420 4194272 5242840 8388544 10485680 16777088 20971360 41942720 83885440 217184647 434369294 868738588 1085923235 1737477176 2171846470 3474954352 4343692940 6949908704 8687385880 13899817408 17374771760 27799634816 34749543520 69499087040 138998174080
• Sum of all divisors σ(n): 332495585280
• Sum of proper divisors (its aliquot sum) s(n): 193497411200
• 138998174080 is an abundant number, because the sum of its proper divisors (193497411200) is greater than itself. Its abundance is 54499237120

Bases of 138998174080

• Binary: 10000001011100111011111101000110000000₂
• Hexadecimal: 0x205CEFD180
• Base-36: 1RURX9J4

Squares and roots of 138998174080

• 138998174080 squared (138998174080²) is 19320492397573983846400
• 138998174080 cubed (138998174080³) is 2685513165589305176361015181312000
• The square root of 138998174080 is 372824.5888886623
• The cube root of 138998174080 is 5180.0787851445

Scales and comparisons

• 138,998,174,080 seconds is equal to 4,419 years, 37 weeks, 3 hours, 54 minutes, 40 seconds.
• To count from 1 to 138,998,174,080 would take you about eight thousand, eight hundred thirty-nine 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 138998174080 cubic inches would be around 431.7 feet tall.

Recreational maths with 138998174080

• 138998174080 backwards is 080471899831
• The number of decimal digits it has is: 12
• The sum of 138998174080's digits is 58
• More coming soon!