138617342208

Names of 138617342208

• Cardinal: 138617342208 can be written as One hundred thirty-eight billion, six hundred seventeen million, three hundred forty-two thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.38617342208 × 10¹¹

Factors of 138617342208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 66988

Divisors of 138617342208

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 31 32 36 48 58 62 64 72 87 93 96 116 124 128 144 174 186 192 232 248 256 261 279 288 348 372 384 464 496 522 558 576 696 744 768 899 928 992 1044 1116 1152 1392 1488 1798 1856 1984 2088 2232 2304 2697 2784 2976 3596 3712 3968 4176 4464 5394 5568 5952 7192 7424 7936 8091 8352 8928 10788 11136 11904 14384 16182 16704 17856 21576 22272 23808 28768 32364 33408 35712 43152 57536 64728 66816 66923 71424 86304 115072 129456 133846 172608 200769 230144 258912 267692 345216 401538 517824 535384 602307 690432 803076 1035648 1070768 1204614 1606152 1940767 2071296 2074613 2141536 2409228 3212304 3881534 4149226 4283072 4818456 5822301 6223839 6424608 7763068 8298452 8566144 9636912 11644602 12447678 12849216 15526136 16596904 17132288 17466903 18671517 19273824 23289204 24895356 25698432 31052272 33193808 34933806 37343034 38547648 46578408 49790712 51396864 60163777 62104544 66387616 69867612 74686068 77095296 93156816 99581424 120327554 124209088 132775232 139735224 149372136 154190592 180491331 186313632 199162848 240655108 248418176 265550464 279470448 298744272 360982662 372627264 398325696 481310216 496836352 531100928 541473993 558940896 597488544 721965324 745254528 796651392 962620432 1082947986 1117881792 1194977088 1443930648 1490509056 1593302784 1925240864 2165895972 2235763584 2389954176 2887861296 3850481728 4331791944 4471527168 4779908352 5775722592 7700963456 8663583888 11551445184 15401926912 17327167776 23102890368 34654335552 46205780736 69308671104 138617342208
• Sum of all divisors σ(n): 426793086720
• Sum of proper divisors (its aliquot sum) s(n): 288175744512
• 138617342208 is an abundant number, because the sum of its proper divisors (288175744512) is greater than itself. Its abundance is 149558402304

Bases of 138617342208

• Binary: 10000001000110001111001100100100000000₂
• Hexadecimal: 0x20463CC900
• Base-36: 1ROH6PS0

Squares and roots of 138617342208

• 138617342208 squared (138617342208²) is 19214767560809778315264
• 138617342208 cubed (138617342208³) is 2663500010423946490319567597862912
• The square root of 138617342208 is 372313.4999002857
• The cube root of 138617342208 is 5175.3436066185

Scales and comparisons

• 138,617,342,208 seconds is equal to 4,407 years, 31 weeks, 2 days, 9 hours, 16 minutes, 48 seconds.
• To count from 1 to 138,617,342,208 would take you about eight thousand, eight hundred fifteen 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 138617342208 cubic inches would be around 431.3 feet tall.

Recreational maths with 138617342208

• 138617342208 backwards is 802243716831
• The number of decimal digits it has is: 12
• The sum of 138617342208's digits is 45
• More coming soon!