138855397408

Names of 138855397408

• Cardinal: 138855397408 can be written as One hundred thirty-eight billion, eight hundred fifty-five million, three hundred ninety-seven thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.38855397408 × 10¹¹

Factors of 138855397408

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 141

Divisors of 138855397408

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 29 31 32 52 56 58 59 62 91 104 112 116 118 124 182 203 208 217 224 232 236 248 364 377 403 406 413 416 434 464 472 496 728 754 767 806 812 826 841 868 899 928 944 961 992 1456 1508 1534 1612 1624 1652 1682 1711 1736 1798 1829 1888 1922 2639 2821 2912 3016 3068 3224 3248 3304 3364 3422 3472 3596 3658 3844 5278 5369 5642 5887 6032 6136 6293 6448 6496 6608 6727 6728 6844 6944 7192 7316 7688 10556 10738 10933 11284 11687 11774 11977 12064 12272 12493 12586 12803 12896 13216 13454 13456 13688 14384 14632 15376 21112 21476 21866 22243 22568 23374 23548 23777 23954 24544 24986 25172 25606 26071 26908 26912 27376 27869 28768 29264 30752 42224 42952 43732 44486 45136 46748 47096 47554 47908 49619 49972 50344 51212 52142 53041 53816 54752 55738 56699 58528 76531 81809 84448 85904 87451 87464 88972 90272 93496 94192 95108 95816 99238 99944 100688 102424 104284 106082 107632 111476 113398 153062 155701 163618 166439 171808 174902 174928 177944 182497 186992 188384 190216 191632 195083 198476 199888 201376 204848 208568 212164 215264 222952 226796 306124 311402 327236 332878 338923 347333 349804 349856 355888 362297 364994 371287 373984 380432 383264 390166 396893 396952 399776 409696 417136 424328 445904 453592 612248 622804 645047 654472 665756 677846 689533 694666 699608 711776 724594 729988 737087 742574 760864 780332 793786 793904 808201 834272 848656 891808 907184 1224496 1245608 1290094 1308944 1331512 1355692 1379066 1389332 1399216 1449188 1459976 1474174 1485148 1538189 1560664 1587572 1587808 1616402 1644271 1697312 1814368 2372461 2448992 2491216 2536079 2580188 2617888 2663024 2711384 2758132 2778664 2798432 2898376 2919952 2948348 2970296 3076378 3121328 3175144 3232804 3288542 4515329 4744922 4826731 4982432 5072158 5159609 5160376 5326048 5422768 5516264 5557328 5657407 5796752 5839904 5896696 5940592 6152756 6242656 6350288 6465608 6577084 9030658 9489844 9653462 10144316 10319218 10320752 10506613 10767323 10845536 11032528 11114656 11314814 11509897 11593504 11793392 11881184 12305512 12700576 12931216 13154168 18061316 18979688 19306924 19996457 20288632 20638436 20641504 21013226 21375523 21534646 22065056 22629628 23019794 23586784 24611024 25862432 26308336 36122632 37959376 38613848 39992914 40577264 41276872 42026452 42751046 43069292 45259256 46039588 47683859 49222048 52616672 72245264 73546291 75918752 77227696 79985828 81154528 82553744 84052904 85502092 86138584 90518512 92079176 95367718 139975199 144490528 147092582 149628661 154455392 159971656 165107488 168105808 171004184 172277168 181037024 184158352 190735436 279950398 294185164 299257322 319943312 333787013 336211616 342008368 344554336 368316704 381470872 559900796 588370328 598514644 619890167 639886624 667574026 684016736 762941744 1119801592 1176740656 1197029288 1239780334 1335148052 1525883488 2239603184 2353481312 2394058576 2479560668 2670296104 4339231169 4479206368 4788117152 4959121336 5340592208 8678462338 9918242672 10681184416 17356924676 19836485344 34713849352 69427698704 138855397408
• Sum of all divisors σ(n): 366165334080
• Sum of proper divisors (its aliquot sum) s(n): 227309936672
• 138855397408 is an abundant number, because the sum of its proper divisors (227309936672) is greater than itself. Its abundance is 88454539264

Bases of 138855397408

• Binary: 10000001010100011011010011100000100000₂
• Hexadecimal: 0x20546D3820
• Base-36: 1RSEX2CG

Squares and roots of 138855397408

• 138855397408 squared (138855397408²) is 19280821389333613118464
• 138855397408 cubed (138855397408³) is 2677246116368585541856840902541312
• The square root of 138855397408 is 372633.0600040743
• The cube root of 138855397408 is 5178.3045465205

Scales and comparisons

• 138,855,397,408 seconds is equal to 4,415 years, 8 weeks, 6 days, 15 hours, 43 minutes, 28 seconds.
• To count from 1 to 138,855,397,408 would take you about eight thousand, eight hundred thirty 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 138855397408 cubic inches would be around 431.5 feet tall.

Recreational maths with 138855397408

• 138855397408 backwards is 804793558831
• The number of decimal digits it has is: 12
• The sum of 138855397408's digits is 61
• More coming soon!