138629836861440

Names of 138629836861440

• Cardinal: 138629836861440 can be written as One hundred thirty-eight trillion, six hundred twenty-nine billion, eight hundred thirty-six million, eight hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3862983686144 × 10¹⁴

Factors of 138629836861440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 47511

Divisors of 138629836861440

• Number of divisors d(n): 156
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2048 2560 3072 3840 4096 5120 6144 7680 10240 12288 15360 20480 30720 47501 61440 95002 142503 190004 237505 285006 380008 475010 570012 712515 760016 950020 1140024 1425030 1520032 1900040 2280048 2850060 3040064 3800080 4560096 5700120 6080128 7600160 9120192 11400240 12160256 15200320 18240384 22800480 24320512 30400640 36480768 45600960 48641024 60801280 72961536 91201920 97282048 121602560 145923072 182403840 194564096 243205120 291846144 364807680 486410240 583692288 729615360 972820480 1459230720 2256345001 2918461440 4512690002 6769035003 9025380004 11281725005 13538070006 18050760008 22563450010 27076140012 33845175015 36101520016 45126900020 54152280024 67690350030 72203040032 90253800040 108304560048 135380700060 144406080064 180507600080 216609120096 270761400120 288812160128 361015200160 433218240192 541522800240 577624320256 722030400320 866436480384 1083045600480 1155248640512 1444060800640 1732872960768 2166091200960 2310497281024 2888121601280 3465745921536 4332182401920 4620994562048 5776243202560 6931491843072 8664364803840 9241989124096 11552486405120 13862983686144 17328729607680 23104972810240 27725967372288 34657459215360 46209945620480 69314918430720 138629836861440
• Sum of all divisors σ(n): 443570663809752
• Sum of proper divisors (its aliquot sum) s(n): 304940826948312
• 138629836861440 is an abundant number, because the sum of its proper divisors (304940826948312) is greater than itself. Its abundance is 166310990086872

Bases of 138629836861440

• Binary: 11111100001010101000110001011100111000000000000₂
• Hexadecimal: 0x7E15462E7000
• Base-36: 1D51O1JU2O

Squares and roots of 138629836861440

• 138629836861440 squared (138629836861440²) is 19218231668229468589758873600
• 138629836861440 cubed (138629836861440³) is 2664220320932011129245017348674613673984000
• The square root of 138629836861440 is 11774117.2434047045
• The cube root of 138629836861440 is 51754.9909986577

Scales and comparisons

• 138,629,836,861,440 seconds is equal to 4,408,000 years, 17 hours, 4 minutes.
• To count from 1 to 138,629,836,861,440 would take you about eleven million, twenty thousand 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 138629836861440 cubic inches would be around 4312.9 feet tall.

Recreational maths with 138629836861440

• 138629836861440 backwards is 044168638926831
• The number of decimal digits it has is: 15
• The sum of 138629836861440's digits is 69
• More coming soon!