138125421483025380

Names of 138125421483025380

• Cardinal: 138125421483025380 can be written as One hundred thirty-eight quadrillion, one hundred twenty-five trillion, four hundred twenty-one billion, four hundred eighty-three million, twenty-five thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.3812542148302538 × 10¹⁷

Factors of 138125421483025380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1726533924

Divisors of 138125421483025380

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 17 20 30 34 41 51 60 68 82 85 102 123 164 170 204 205 246 255 340 410 492 510 615 697 820 1020 1230 1394 1913 2091 2460 2788 3485 3826 4182 5739 6970 7652 8364 9565 10455 11478 13940 19130 20910 22956 28695 32521 38260 41820 57390 65042 78433 97563 114780 130084 156866 162605 195126 235299 313732 325210 390252 392165 470598 487815 650420 784330 941196 975630 1176495 1333361 1568660 1951260 2352990 2666722 4000083 4705980 5333444 6666805 8000166 13333610 16000332 20000415 26667220 40000830 80001660 1726531943 3453063886 5179595829 6906127772 8632659715 10359191658 17265319430 20718383316 25897979145 29351043031 34530638860 51795958290 58702086062 70787809663 88053129093 103591916580 117404172124 141575619326 146755215155 176106258186 212363428989 283151238652 293510430310 352212516372 353939048315 424726857978 440265645465 587020860620 707878096630 849453715956 880531290930 1061817144945 1203392764271 1415756193260 1761062581860 2123634289890 2406785528542 3302855606959 3610178292813 4247268579780 4813571057084 6016963821355 6605711213918 7220356585626 9908566820877 12033927642710 13211422427836 14440713171252 16514278034795 18050891464065 19817133641754 24067855285420 33028556069590 36101782928130 39634267283508 49542834104385 56148545318303 66057112139180 72203565856260 99085668208770 112297090636606 135417079885319 168445635954909 198171336417540 224594181273212 270834159770638 280742726591515 336891271909818 406251239655957 541668319541276 561485453183030 673782543819636 677085399426595 812502479311914 842228179774545 1122970906366060 1354170798853190 1625004958623828 1684456359549090 2031256198279785 2302090358050423 2708341597706380 3368912719098180 4062512396559570 4604180716100846 6906271074151269 8125024793119140 9208361432201692 11510451790252115 13812542148302538 23020903580504230 27625084296605076 34531355370756345 46041807161008460 69062710741512690 138125421483025380
• Sum of all divisors σ(n): 419708368540758528
• Sum of proper divisors (its aliquot sum) s(n): 281582947057733148
• 138125421483025380 is an abundant number, because the sum of its proper divisors (281582947057733148) is greater than itself. Its abundance is 143457525574707768

Bases of 138125421483025380

• Binary: 111101010101110000101011011001001111100100110001111100100₂
• Hexadecimal: 0x1EAB856C9F263E4
• Base-36: 11S1DIMYAL7O

Squares and roots of 138125421483025380

• 138125421483025380 squared (138125421483025380²) is 19078632059863409165683477724144400
• 138125421483025380 cubed (138125421483025380³) is 2635244094588194094100995073741311902218783984872000
• The square root of 138125421483025380 is 371652285.7228586721
• The cube root of 138125421483025380 is 516921.4319946995

Scales and comparisons

• 138,125,421,483,025,380 seconds is equal to 4,391,961,153 years, 9 weeks, 2 days, 5 hours, 43 minutes.
• To count from 1 to 138,125,421,483,025,380 would take you about thirteen billion, one hundred seventy-five million, eight hundred eighty-three thousand, four hundred fifty-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 138125421483025380 cubic inches would be around 43076.8 feet tall.

Recreational maths with 138125421483025380

• 138125421483025380 backwards is 083520384124521831
• 138125421483025380 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 138125421483025380's digits is 60
• More coming soon!