138276272784

Names of 138276272784

• Cardinal: 138276272784 can be written as One hundred thirty-eight billion, two hundred seventy-six million, two hundred seventy-two thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 1.38276272784 × 10¹¹

Factors of 138276272784

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12219

Divisors of 138276272784

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 61 78 104 122 156 183 208 244 307 312 366 488 614 624 732 793 921 976 1228 1464 1586 1842 2379 2456 2928 3172 3684 3991 4758 4912 6344 7368 7982 9516 11833 11973 12688 14736 15964 18727 19032 23666 23946 31928 35499 37454 38064 47332 47892 56181 63856 70998 74908 94664 95784 112362 141996 149816 153829 189328 191568 224724 243451 283992 299632 307658 449448 461487 486902 567984 615316 721813 730353 898896 922974 973804 1230632 1443626 1460706 1845948 1947608 2165439 2461264 2887252 2921412 3632731 3691896 3895216 4330878 5774504 5842824 7265462 7383792 8661756 9383569 10898193 11549008 11685648 14530924 17323512 18767138 21796386 28150707 29061848 34647024 37534276 43592772 47225503 56301414 58123696 75068552 87185544 94451006 112602828 141676509 150137104 174371088 188902012 221596591 225205656 283353018 377804024 443193182 450411312 566706036 664789773 755608048 886386364 1133412072 1329579546 1772772728 2266824144 2659159092 2880755683 3545545456 5318318184 5761511366 8642267049 10636636368 11523022732 17284534098 23046045464 34569068196 46092090928 69138136392 138276272784
• Sum of all divisors σ(n): 392304863104
• Sum of proper divisors (its aliquot sum) s(n): 254028590320
• 138276272784 is an abundant number, because the sum of its proper divisors (254028590320) is greater than itself. Its abundance is 115752317536

Bases of 138276272784

• Binary: 10000000110001111010000111101010010000₂
• Hexadecimal: 0x2031E87A90
• Base-36: 1RIU4EXC

Squares and roots of 138276272784

• 138276272784 squared (138276272784²) is 19120327615035179110656
• 138276272784 cubed (138276272784³) is 2643887637016052566461367577186304
• The square root of 138276272784 is 371855.1771644439
• The cube root of 138276272784 is 5171.0954581029

Scales and comparisons

• 138,276,272,784 seconds is equal to 4,396 years, 39 weeks, 2 days, 19 hours, 46 minutes, 24 seconds.
• To count from 1 to 138,276,272,784 would take you about eight thousand, seven hundred ninety-three 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 138276272784 cubic inches would be around 430.9 feet tall.

Recreational maths with 138276272784

• 138276272784 backwards is 487272672831
• The number of decimal digits it has is: 12
• The sum of 138276272784's digits is 57
• More coming soon!