138992336640

Names of 138992336640

• Cardinal: 138992336640 can be written as One hundred thirty-eight billion, nine hundred ninety-two million, three hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.3899233664 × 10¹¹

Factors of 138992336640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4021779

Divisors of 138992336640

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 256 270 288 320 360 384 432 480 540 576 640 720 768 864 960 1080 1152 1280 1440 1728 1920 2160 2304 2880 3456 3840 4320 5760 6912 8640 11520 17280 34560 4021769 8043538 12065307 16087076 20108845 24130614 32174152 36195921 40217690 48261228 60326535 64348304 72391842 80435380 96522456 108587763 120653070 128696608 144783684 160870760 180979605 193044912 217175526 241306140 257393216 289567368 321741520 361959210 386089824 434351052 482612280 514786432 542938815 579134736 643483040 723918420 772179648 868702104 965224560 1029572864 1085877630 1158269472 1286966080 1447836840 1544359296 1737404208 1930449120 2171755260 2316538944 2573932160 2895673680 3088718592 3474808416 3860898240 4343510520 4633077888 5147864320 5791347360 6949616832 7721796480 8687021040 9266155776 11582694720 13899233664 15443592960 17374042080 23165389440 27798467328 34748084160 46330778880 69496168320 138992336640
• Sum of all divisors σ(n): 493229872800
• Sum of proper divisors (its aliquot sum) s(n): 354237536160
• 138992336640 is an abundant number, because the sum of its proper divisors (354237536160) is greater than itself. Its abundance is 215245199520

Bases of 138992336640

• Binary: 10000001011100100101101011111100000000₂
• Hexadecimal: 0x205C96BF00
• Base-36: 1RUOG5C0

Squares and roots of 138992336640

• 138992336640 squared (138992336640²) is 19318869644647086489600
• 138992336640 cubed (138992336640³) is 2685174833153065019357679058944000
• The square root of 138992336640 is 372816.7601382749
• The cube root of 138992336640 is 5180.0062690305

Scales and comparisons

• 138,992,336,640 seconds is equal to 4,419 years, 27 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 138,992,336,640 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 138992336640 cubic inches would be around 431.7 feet tall.

Recreational maths with 138992336640

• 138992336640 backwards is 046633299831
• 138992336640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138992336640's digits is 54
• More coming soon!