138115615860

Names of 138115615860

• Cardinal: 138115615860 can be written as One hundred thirty-eight billion, one hundred fifteen million, six hundred fifteen thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 1.3811561586 × 10¹¹

Factors of 138115615860

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1252

Divisors of 138115615860

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 38 45 54 57 60 76 81 90 95 108 114 135 162 171 180 190 228 243 270 285 324 342 380 405 486 513 540 570 684 810 855 972 1026 1140 1215 1223 1539 1620 1710 2052 2430 2446 2565 3078 3420 3669 4617 4860 4892 5130 6115 6156 7338 7695 9234 10260 11007 12230 14676 15390 18345 18468 22014 23085 23237 24460 30780 33021 36690 44028 46170 46474 55035 66042 69711 73380 92340 92948 99063 110070 116185 132084 139422 165105 198126 209133 220140 232370 278844 297189 330210 348555 396252 418266 464740 495315 594378 627399 660420 697110 836532 990630 1045665 1188756 1254798 1394220 1485945 1495729 1882197 1981260 2091330 2509596 2971890 2991458 3136995 3764394 4182660 4487187 5646591 5943780 5982916 6273990 7478645 7528788 8974374 9410985 11293182 12547980 13461561 14957290 17948748 18821970 22435935 22586364 26923122 28232955 28418851 29914580 37643940 40384683 44871870 53846244 56465910 56837702 67307805 80769366 85256553 89743740 112931820 113675404 121154049 134615610 142094255 161538732 170513106 201923415 242308098 255769659 269231220 284188510 341026212 363462147 403846830 426282765 484616196 511539318 568377020 605770245 726924294 767308977 807693660 852565530 1023078636 1211540490 1278848295 1453848588 1534617954 1705131060 1817310735 2301926931 2423080980 2557696590 3069235908 3634621470 3836544885 4603853862 5115393180 6905780793 7269242940 7673089770 9207707724 11509634655 13811561586 15346179540 23019269310 27623123172 34528903965 46038538620 69057807930 138115615860
• Sum of all divisors σ(n): 457708349280
• Sum of proper divisors (its aliquot sum) s(n): 319592733420
• 138115615860 is an abundant number, because the sum of its proper divisors (319592733420) is greater than itself. Its abundance is 181477117560

Bases of 138115615860

• Binary: 10000000101000010101010000110001110100₂
• Hexadecimal: 0x2028550C74
• Base-36: 1RG6GZ90

Squares and roots of 138115615860

• 138115615860 squared (138115615860²) is 19075923344387083539600
• 138115615860 cubed (138115615860³) is 2634682900808172917301122698056000
• The square root of 138115615860 is 371639.0935571767
• The cube root of 138115615860 is 5169.0919949713

Scales and comparisons

• 138,115,615,860 seconds is equal to 4,391 years, 33 weeks, 5 days, 8 hours, 51 minutes.
• To count from 1 to 138,115,615,860 would take you about eight thousand, seven hundred eighty-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 138115615860 cubic inches would be around 430.8 feet tall.

Recreational maths with 138115615860

• 138115615860 backwards is 068516511831
• 138115615860 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138115615860's digits is 45
• More coming soon!