138138830136

Names of 138138830136

• Cardinal: 138138830136 can be written as One hundred thirty-eight billion, one hundred thirty-eight million, eight hundred thirty thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.38138830136 × 10¹¹

Factors of 138138830136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 63472

Divisors of 138138830136

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 59 72 76 81 108 114 118 152 162 171 177 216 228 236 243 324 342 354 456 472 486 513 531 648 684 708 972 1026 1062 1121 1368 1416 1539 1593 1944 2052 2124 2242 3078 3186 3363 4104 4248 4484 4617 4779 6156 6372 6726 8968 9234 9558 10089 12312 12744 13452 14337 18468 19116 20178 26904 28674 30267 36936 38232 40356 57348 60534 63389 80712 90801 114696 121068 126778 181602 190167 242136 253556 272403 363204 380334 507112 544806 570501 726408 760668 1089612 1141002 1204391 1521336 1711503 2179224 2282004 2408782 3423006 3613173 3739951 4564008 4817564 5134509 6846012 7226346 7479902 9635128 10269018 10839519 11219853 13692024 14452692 14959804 15403527 20538036 21679038 22439706 28905384 29919608 30807054 32518557 33659559 41076072 43358076 44879412 61614108 65037114 67319118 71059069 86716152 89758824 97555671 100978677 123228216 130074228 134638236 142118138 195111342 201957354 213177207 260148456 269276472 284236276 292667013 302936031 390222684 403914708 426354414 568472552 585334026 605872062 639531621 780445368 807829416 852708828 908808093 1170668052 1211744124 1279063242 1705417656 1817616186 1918594863 2341336104 2423488248 2558126484 3635232372 3837189726 5116252968 5755784589 7270464744 7674379452 11511569178 15348758904 17267353767 23023138356 34534707534 46046276712 69069415068 138138830136
• Sum of all divisors σ(n): 415331280000
• Sum of proper divisors (its aliquot sum) s(n): 277192449864
• 138138830136 is an abundant number, because the sum of its proper divisors (277192449864) is greater than itself. Its abundance is 139053619728

Bases of 138138830136

• Binary: 10000000101001101101110100010100111000₂
• Hexadecimal: 0x2029B74538
• Base-36: 1RGKAJI0

Squares and roots of 138138830136

• 138138830136 squared (138138830136²) is 19082336391342661778496
• 138138830136 cubed (138138830136³) is 2636011625361695176389758601555456
• The square root of 138138830136 is 371670.3245296831
• The cube root of 138138830136 is 5169.3815832875

Scales and comparisons

• 138,138,830,136 seconds is equal to 4,392 years, 20 weeks, 1 day, 1 hour, 15 minutes, 36 seconds.
• To count from 1 to 138,138,830,136 would take you about eight thousand, seven hundred eighty-four 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 138138830136 cubic inches would be around 430.8 feet tall.

Recreational maths with 138138830136

• 138138830136 backwards is 631038831831
• The number of decimal digits it has is: 12
• The sum of 138138830136's digits is 45
• More coming soon!