138491385696

Names of 138491385696

• Cardinal: 138491385696 can be written as One hundred thirty-eight billion, four hundred ninety-one million, three hundred eighty-five thousand, six hundred ninety-six.

Scientific notation

• Scientific notation: 1.38491385696 × 10¹¹

Factors of 138491385696

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 117

Divisors of 138491385696

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 72 83 87 96 116 144 166 174 232 249 261 288 332 348 464 498 522 664 696 747 841 928 996 1044 1328 1392 1494 1682 1992 2088 2407 2523 2656 2784 2988 3364 3984 4176 4814 5046 5976 6728 6889 7221 7569 7968 8352 9628 10092 11952 13456 13778 14442 15138 19256 20184 20667 21663 23904 26912 27556 28884 30276 38512 40368 41334 43326 55112 57768 60552 62001 69803 77024 80736 82668 86652 110224 115536 121104 124002 139606 165336 173304 199781 209409 220448 231072 242208 248004 279212 330672 346608 399562 418818 496008 558424 571787 599343 628227 661344 693216 799124 837636 992016 1116848 1143574 1198686 1256454 1598248 1675272 1715361 1798029 1984032 2233696 2287148 2397372 2512908 3196496 3350544 3430722 3596058 4574296 4794744 5025816 5146083 5793649 6392992 6701088 6861444 7192116 9148592 9589488 10051632 10292166 11587298 13722888 14384232 16581823 17380947 18297184 19178976 20103264 20584332 23174596 27445776 28768464 33163646 34761894 41168664 46349192 49745469 52142841 54891552 57536928 66327292 69523788 82337328 92698384 99490938 104285682 132654584 139047576 149236407 164674656 185396768 198981876 208571364 265309168 278095152 298472814 397963752 417142728 480872867 530618336 556190304 596945628 795927504 834285456 961745734 1193891256 1442618601 1591855008 1668570912 1923491468 2387782512 2885237202 3846982936 4327855803 4775565024 5770474404 7693965872 8655711606 11540948808 15387931744 17311423212 23081897616 34622846424 46163795232 69245692848 138491385696
• Sum of all divisors σ(n): 412857867240
• Sum of proper divisors (its aliquot sum) s(n): 274366481544
• 138491385696 is an abundant number, because the sum of its proper divisors (274366481544) is greater than itself. Its abundance is 135875095848

Bases of 138491385696

• Binary: 10000000111110101110101101011101100000₂
• Hexadecimal: 0x203EBAD760
• Base-36: 1RME7140

Squares and roots of 138491385696

• 138491385696 squared (138491385696²) is 19179863911998233404416
• 138491385696 cubed (138491385696³) is 2656245930633338744481607405633536
• The square root of 138491385696 is 372144.3076227285
• The cube root of 138491385696 is 5173.7755830667

Scales and comparisons

• 138,491,385,696 seconds is equal to 4,403 years, 31 weeks, 13 hours, 21 minutes, 36 seconds.
• To count from 1 to 138,491,385,696 would take you about eight thousand, eight hundred 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 138491385696 cubic inches would be around 431.1 feet tall.

Recreational maths with 138491385696

• 138491385696 backwards is 696583194831
• The number of decimal digits it has is: 12
• The sum of 138491385696's digits is 63
• More coming soon!