138395693448

Names of 138395693448

• Cardinal: 138395693448 can be written as One hundred thirty-eight billion, three hundred ninety-five million, six hundred ninety-three thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 1.38395693448 × 10¹¹

Factors of 138395693448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 822

Divisors of 138395693448

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 17 18 24 27 31 34 36 51 54 62 68 72 81 93 102 108 124 136 153 162 186 204 216 248 279 289 306 324 372 408 459 527 558 578 612 648 744 769 837 867 918 961 1054 1116 1156 1224 1377 1538 1581 1674 1734 1836 1922 2108 2232 2307 2312 2511 2601 2754 2883 3076 3162 3348 3468 3672 3844 4216 4614 4743 5022 5202 5508 5766 6152 6324 6696 6921 6936 7688 7803 8649 8959 9228 9486 10044 10404 11016 11532 12648 13073 13842 14229 15606 16337 17298 17918 18456 18972 20088 20763 20808 23064 23409 23839 25947 26146 26877 27684 28458 31212 32674 34596 35836 37944 39219 41526 42687 46818 47678 49011 51894 52292 53754 55368 56916 62289 62424 65348 69192 71517 71672 77841 78438 80631 83052 85374 93636 95356 98022 103788 104584 107508 113832 117657 124578 130696 143034 147033 155682 156876 161262 166104 170748 187272 190712 196044 207576 214551 215016 222241 235314 241893 249156 277729 286068 294066 311364 313752 322524 341496 352971 392088 405263 429102 441099 444482 470628 483786 498312 555458 572136 588132 622728 643653 645048 666723 705942 725679 739009 810526 833187 858204 882198 888964 941256 967572 1058913 1110916 1176264 1215789 1287306 1323297 1333446 1411884 1451358 1478018 1621052 1666374 1716408 1764396 1777928 1930959 1935144 2000169 2117826 2217027 2221832 2431578 2499561 2574612 2646594 2666892 2823768 2902716 2956036 3242104 3332748 3528792 3647367 3861918 4000338 4235652 4434054 4863156 4999122 5149224 5293188 5333784 5805432 5912072 6000507 6651081 6665496 6889471 7294734 7498683 7723836 8000676 8471304 8868108 9726312 9998244 10586376 10942101 12001014 12563153 13302162 13778942 14589468 14997366 15447672 16001352 17736216 18001521 19953243 19996488 20668413 21884202 22496049 24002028 25126306 26604324 27557884 29178936 29994732 32826303 36003042 37689459 39906486 41336826 43768404 44992098 48004056 50252612 53208648 55115768 59859729 59989464 62005239 65652606 72006084 75378918 79812972 82673652 87536808 89984196 100505224 113068377 119719458 124010478 131305212 144012168 150757836 159625944 165347304 179968392 186015717 213573601 226136754 239438916 248020956 262610424 301515672 339205131 372031434 427147202 452273508 478877832 496041912 558047151 640720803 678410262 744062868 854294404 904547016 1017615393 1116094302 1281441606 1356820524 1488125736 1708588808 1922162409 2035230786 2232188604 2562883212 2713641048 3844324818 4070461572 4464377208 5125766424 5766487227 7688649636 8140923144 11532974454 15377299272 17299461681 23065948908 34598923362 46131897816 69197846724 138395693448
• Sum of all divisors σ(n): 426044515050
• Sum of proper divisors (its aliquot sum) s(n): 287648821602
• 138395693448 is an abundant number, because the sum of its proper divisors (287648821602) is greater than itself. Its abundance is 149253128154

Bases of 138395693448

• Binary: 10000000111001000001101011000110001000₂
• Hexadecimal: 0x203906B188
• Base-36: 1RKT80I0

Squares and roots of 138395693448

• 138395693448 squared (138395693448²) is 19153367964952790128704
• 138395693448 cubed (138395693448³) is 2650743641374349950444399249531392
• The square root of 138395693448 is 372015.7166679925
• The cube root of 138395693448 is 5172.5836815225

Scales and comparisons

• 138,395,693,448 seconds is equal to 4,400 years, 28 weeks, 6 days, 10 minutes, 48 seconds.
• To count from 1 to 138,395,693,448 would take you about eight thousand, eight hundred one 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 138395693448 cubic inches would be around 431 feet tall.

Recreational maths with 138395693448

• 138395693448 backwards is 844396593831
• The number of decimal digits it has is: 12
• The sum of 138395693448's digits is 63
• More coming soon!