138213297900

Names of 138213297900

• Cardinal: 138213297900 can be written as One hundred thirty-eight billion, two hundred thirteen million, two hundred ninety-seven thousand, nine hundred.

Scientific notation

• Scientific notation: 1.382132979 × 10¹¹

Factors of 138213297900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2872

Divisors of 138213297900

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 25 30 36 38 45 50 57 60 75 76 90 95 100 114 150 171 180 190 225 228 285 300 342 380 450 475 570 684 855 900 950 1140 1425 1710 1900 2843 2850 3420 4275 5686 5700 8529 8550 11372 14215 17058 17100 25587 28430 34116 42645 51174 54017 56860 71075 85290 102348 108034 127935 142150 162051 170580 213225 216068 255870 270085 284300 324102 426450 486153 511740 540170 639675 648204 810255 852900 972306 1080340 1279350 1350425 1620510 1944612 2430765 2558700 2700850 3241020 4051275 4861530 5401700 8082649 8102550 9723060 12153825 16165298 16205100 24247947 24307650 32330596 40413245 48495894 48615300 72743841 80826490 96991788 121239735 145487682 153570331 161652980 202066225 242479470 290975364 307140662 363719205 404132450 460710993 484958940 606198675 614281324 727438410 767851655 808264900 921421986 1212397350 1382132979 1454876820 1535703310 1818596025 1842843972 2303554965 2424794700 2764265958 3071406620 3637192050 3839258275 4607109930 5528531916 6910664895 7274384100 7678516550 9214219860 11517774825 13821329790 15357033100 23035549650 27642659580 34553324475 46071099300 69106648950 138213297900
• Sum of all divisors σ(n): 456183515060
• Sum of proper divisors (its aliquot sum) s(n): 317970217160
• 138213297900 is an abundant number, because the sum of its proper divisors (317970217160) is greater than itself. Its abundance is 179756919260

Bases of 138213297900

• Binary: 10000000101110001001111000111011101100₂
• Hexadecimal: 0x202E278EEC
• Base-36: 1RHSMN70

Squares and roots of 138213297900

• 138213297900 squared (138213297900²) is 19102915716394144410000
• 138213297900 cubed (138213297900³) is 2640276980668575795154949739000000
• The square root of 138213297900 is 371770.4908945841
• The cube root of 138213297900 is 5170.3103183745

Scales and comparisons

• 138,213,297,900 seconds is equal to 4,394 years, 39 weeks, 1 day, 22 hours, 45 minutes.
• To count from 1 to 138,213,297,900 would take you about eight thousand, seven hundred eighty-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 138213297900 cubic inches would be around 430.9 feet tall.

Recreational maths with 138213297900

• 138213297900 backwards is 009792312831
• 138213297900 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138213297900's digits is 45
• More coming soon!