138309280479125

Names of 138309280479125

• Cardinal: 138309280479125 can be written as One hundred thirty-eight trillion, three hundred nine billion, two hundred eighty million, four hundred seventy-nine thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.38309280479125 × 10¹⁴

Factors of 138309280479125

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 144

Divisors of 138309280479125

• Number of divisors d(n): 160
• Complete list of divisors:
  1 5 7 25 31 35 49 101 125 155 175 217 245 343 505 707 775 875 1085 1225 1519 1715 2525 3131 3535 3875 4949 5425 6125 7595 8575 10201 10633 12625 15655 17675 21917 24745 27125 34643 37975 42875 51005 53165 71407 78275 88375 109585 123725 153419 173215 189875 255025 265825 316231 357035 391375 499849 547925 618625 767095 866075 1030301 1073933 1275125 1329125 1581155 1785175 2213617 2499245 2739625 3498943 3835475 4330375 5151505 5369665 7212107 7905775 8925875 11068085 12496225 15495319 17494715 19177375 25757525 26848325 31939331 36060535 39528875 50484749 55340425 62481125 77476595 87473575 104060401 108467233 128787625 134241625 159696655 180302675 223575317 252423745 276702125 353393243 387382975 437367875 520302005 542336165 728422807 798483275 901513375 1117876585 1262118725 1565027219 1766966215 1936914875 2601510025 2711680825 3225872431 3642114035 3992416375 5098959649 5589382925 6310593625 7825136095 8834831075 10955190533 13007550125 13558404125 16129362155 18210570175 22581107017 25494798245 27946914625 35692717543 39125680475 44174155375 54775952665 80646810775 91052850875 112905535085 127473991225 158067749119 178463587715 195628402375 273879763325 403234053875 564527675425 637369956125 790338745595 892317938575 1106474243833 1369398816625 2822638377125 3951693727975 4461589692875 5532371219165 19758468639875 27661856095825 138309280479125
• Sum of all divisors σ(n): 209865686784000
• Sum of proper divisors (its aliquot sum) s(n): 71556406304875
• 138309280479125 is a deficient number, because the sum of its proper divisors (71556406304875) is less than itself. Its deficiency is 66752874174250

Bases of 138309280479125

• Binary: 11111011100101010100011100010000011011110010101₂
• Hexadecimal: 0x7DCAA3883795
• Base-36: 1D0YEMK2HH

Squares and roots of 138309280479125

• 138309280479125 squared (138309280479125²) is 19129457066653267789560765625
• 138309280479125 cubed (138309280479125³) is 2645781442845126594681587939515801830078125
• The square root of 138309280479125 is 11760496.6085248713
• The cube root of 138309280479125 is 51715.0688651657

Scales and comparisons

• 138,309,280,479,125 seconds is equal to 4,397,807 years, 15 weeks, 4 days, 9 hours, 32 minutes, 5 seconds.
• To count from 1 to 138,309,280,479,125 would take you about ten million, nine hundred ninety-four thousand, five hundred eighteen 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 138309280479125 cubic inches would be around 4309.6 feet tall.

Recreational maths with 138309280479125

• 138309280479125 backwards is 521974082903831
• The number of decimal digits it has is: 15
• The sum of 138309280479125's digits is 62
• More coming soon!