138028437864

Names of 138028437864

• Cardinal: 138028437864 can be written as One hundred thirty-eight billion, twenty-eight million, four hundred thirty-seven thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.38028437864 × 10¹¹

Factors of 138028437864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1021

Divisors of 138028437864

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 79 158 167 237 316 331 334 439 474 501 632 662 668 711 878 948 993 1002 1317 1324 1336 1422 1503 1756 1896 1986 2004 2634 2648 2844 2979 3006 3512 3951 3972 4008 5268 5688 5958 6012 7902 7944 10536 11916 12024 13193 15804 23832 26149 26386 31608 34681 39579 52298 52772 55277 69362 73313 78447 79158 104043 104596 105544 110554 118737 138724 145309 146626 156894 158316 165831 208086 209192 219939 221108 235341 237474 277448 290618 293252 312129 313788 316632 331662 416172 435927 439878 442216 470682 474948 497493 581236 586504 624258 627576 659817 663324 832344 871854 879756 941364 949896 994986 1162472 1248516 1307781 1319634 1326648 1743708 1759512 1882728 1989972 2497032 2615562 2639268 3487416 3979944 4366883 5231124 5278536 5791727 8733766 10462248 11479411 11583454 13100649 17375181 17467532 22958822 23166908 24266603 26201298 34438233 34750362 34935064 39301947 45917644 46333816 48533206 52125543 52402596 68876466 69500724 72799809 78603894 91835288 97066412 103314699 104251086 104805192 137752932 139001448 145599618 157207788 194132824 206629398 208502172 218399427 275505864 291199236 314415576 413258796 417004344 436798854 582398472 826517592 873597708 1747195416 1917061637 3834123274 5751184911 7668246548 11502369822 15336493096 17253554733 23004739644 34507109466 46009479288 69014218932 138028437864
• Sum of all divisors σ(n): 382846464000
• Sum of proper divisors (its aliquot sum) s(n): 244818026136
• 138028437864 is an abundant number, because the sum of its proper divisors (244818026136) is greater than itself. Its abundance is 106789588272

Bases of 138028437864

• Binary: 10000000100011001000101101000101101000₂
• Hexadecimal: 0x202322D168
• Base-36: 1REQKGA0

Squares and roots of 138028437864

• 138028437864 squared (138028437864²) is 19051849659176108882496
• 138028437864 cubed (138028437864³) is 2629697046875859122320897613228544
• The square root of 138028437864 is 371521.7865267123
• The cube root of 138028437864 is 5168.0041963569

Scales and comparisons

• 138,028,437,864 seconds is equal to 4,388 years, 45 weeks, 4 days, 8 hours, 44 minutes, 24 seconds.
• To count from 1 to 138,028,437,864 would take you about eight thousand, seven hundred seventy-seven 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 138028437864 cubic inches would be around 430.7 feet tall.

Recreational maths with 138028437864

• 138028437864 backwards is 468734820831
• The number of decimal digits it has is: 12
• The sum of 138028437864's digits is 54
• More coming soon!