138504931992

Names of 138504931992

• Cardinal: 138504931992 can be written as One hundred thirty-eight billion, five hundred four million, nine hundred thirty-one thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.38504931992 × 10¹¹

Factors of 138504931992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 234

Divisors of 138504931992

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 31 36 42 54 56 62 63 72 81 84 93 108 124 126 162 168 186 189 191 216 217 243 248 252 279 324 372 378 382 434 486 504 558 567 573 648 651 729 744 756 764 837 868 972 1116 1134 1146 1302 1337 1458 1512 1528 1674 1701 1719 1736 1944 1953 2187 2232 2268 2292 2511 2604 2674 2916 3348 3402 3438 3906 4011 4374 4536 4584 5022 5103 5157 5208 5348 5832 5859 5921 6696 6804 6876 7533 7812 8022 8748 10044 10206 10314 10696 11718 11842 12033 13608 13752 15066 15309 15471 15624 16044 17496 17577 17763 20088 20412 20628 22599 23436 23684 24066 30132 30618 30942 32088 35154 35526 36099 36481 40824 41256 41447 45198 46413 46872 47368 48132 52731 53289 60264 61236 61884 67797 70308 71052 72198 72962 82894 90396 92826 96264 105462 106578 108297 109443 122472 123768 124341 135594 139239 140616 142104 144396 145924 158193 159867 165788 180792 185652 210924 213156 216594 218886 248682 255367 271188 278478 288792 291848 316386 319734 324891 328329 331576 371304 373023 417717 421848 426312 433188 437772 474579 479601 497364 510734 542376 556956 632772 639468 649782 656658 746046 766101 835434 866376 875544 949158 959202 974673 984987 994728 1021468 1113912 1119069 1130911 1265544 1278936 1299564 1313316 1438803 1492092 1532202 1670868 1898316 1918404 1949346 1969974 2042936 2238138 2261822 2298303 2599128 2626632 2877606 2924019 2954961 2984184 3064404 3341736 3357207 3392733 3796632 3836808 3898692 3939948 4316409 4476276 4523644 4596606 5755212 5848038 5909922 6128808 6714414 6785466 6894909 7797384 7879896 7916377 8632818 8864883 8952552 9047288 9193212 10071621 10178199 11510424 11696076 11819844 12949227 13428828 13570932 13789818 15832754 17265636 17729766 18386424 20143242 20356398 20684727 23392152 23639688 23749131 25898454 26594649 26857656 27141864 27579636 30214863 30534597 31665508 34531272 35459532 40286484 40712796 41369454 47498262 51796908 53189298 55159272 60429726 61069194 62054181 63331016 70919064 71247393 79783947 80572968 81425592 82738908 90644589 91603791 94996524 103593816 106378596 120859452 122138388 124108362 142494786 159567894 165477816 181289178 183207582 186162543 189993048 212757192 213742179 241718904 244276776 248216724 274811373 284989572 319135788 362578356 366415164 372325086 427484358 496433448 549622746 558487629 569979144 638271576 641226537 725156712 732830328 744650172 824434119 854968716 1099245492 1116975258 1282453074 1489300344 1648868238 1709937432 1923679611 2198490984 2233950516 2473302357 2564906148 3297736476 3847359222 4467901032 4946604714 5129812296 5771038833 6595472952 7694718444 9893209428 11542077666 15389436888 17313116499 19786418856 23084155332 34626232998 46168310664 69252465996 138504931992
• Sum of all divisors σ(n): 461903769600
• Sum of proper divisors (its aliquot sum) s(n): 323398837608
• 138504931992 is an abundant number, because the sum of its proper divisors (323398837608) is greater than itself. Its abundance is 184893905616

Bases of 138504931992

• Binary: 10000000111111100010011000101010011000₂
• Hexadecimal: 0x203F898A98
• Base-36: 1RMM9DI0

Squares and roots of 138504931992

• 138504931992 squared (138504931992²) is 19183616186108545088064
• 138504931992 cubed (138504931992³) is 2657025455217594452552369970943488
• The square root of 138504931992 is 372162.5075044503
• The cube root of 138504931992 is 5173.9442655451

Scales and comparisons

• 138,504,931,992 seconds is equal to 4,404 years, 1 week, 3 days, 8 hours, 13 minutes, 12 seconds.
• To count from 1 to 138,504,931,992 would take you about eight thousand, eight hundred eight 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 138504931992 cubic inches would be around 431.2 feet tall.

Recreational maths with 138504931992

• 138504931992 backwards is 299139405831
• 138504931992 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138504931992's digits is 54
• More coming soon!