138401539380

Names of 138401539380

• Cardinal: 138401539380 can be written as One hundred thirty-eight billion, four hundred one million, five hundred thirty-nine thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.3840153938 × 10¹¹

Factors of 138401539380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 102

Divisors of 138401539380

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 79 81 90 108 117 130 135 156 158 162 169 180 195 234 237 243 260 270 316 324 338 351 390 395 405 468 474 486 507 540 585 676 702 711 729 780 790 810 845 948 972 1014 1027 1053 1170 1185 1215 1404 1422 1458 1521 1580 1620 1690 1755 2028 2054 2106 2133 2187 2340 2370 2430 2535 2844 2916 3042 3081 3159 3380 3510 3555 3645 4108 4212 4266 4374 4563 4740 4860 5070 5135 5265 6084 6162 6241 6318 6399 6561 7020 7110 7290 7605 8532 8748 9126 9243 9477 10140 10270 10530 10665 10935 12324 12482 12636 12798 13122 13351 13689 14220 14580 15210 15405 15795 18252 18486 18723 18954 19197 20540 21060 21330 21870 22815 24964 25596 26244 26702 27378 27729 28431 30420 30810 31205 31590 31995 32805 36972 37446 37908 38394 40053 41067 42660 43740 45630 46215 47385 53404 54756 55458 56169 56862 57591 61620 62410 63180 63990 65610 66755 68445 74892 76788 80106 81133 82134 83187 85293 91260 92430 93615 94770 95985 110916 112338 113724 115182 120159 123201 124820 127980 131220 133510 136890 138645 142155 160212 162266 164268 166374 168507 170586 172773 184860 187230 189540 191970 200265 205335 224676 230364 240318 243399 246402 249561 267020 273780 277290 280845 284310 287955 324532 332748 337014 341172 345546 360477 369603 374460 383940 400530 405665 410670 415935 426465 480636 486798 492804 499122 505521 518319 554580 561690 568620 575910 600795 616005 674028 691092 720954 730197 739206 748683 801060 811330 821340 831870 842535 852930 863865 973596 998244 1011042 1036638 1054729 1081431 1108809 1123380 1151820 1201590 1216995 1232010 1247805 1441908 1460394 1478412 1497366 1516563 1622660 1663740 1685070 1705860 1727730 1802385 1848015 2022084 2073276 2109458 2162862 2190591 2217618 2246049 2403180 2433990 2464020 2495610 2527605 2591595 2920788 2994732 3033126 3164187 3244293 3370140 3455460 3604770 3650985 3696030 3743415 4218916 4325724 4381182 4435236 4492098 4549689 4867980 4991220 5055210 5183190 5273645 5407155 5544045 6066252 6328374 6488586 6571773 6738147 7209540 7301970 7392060 7486830 7582815 8762364 8984196 9099378 9492561 9732879 10110420 10366380 10547290 10814310 10952955 11088090 11230245 12656748 12977172 13143546 13476294 13649067 14603940 14973660 15165630 15820935 16221465 18198756 18985122 19465758 19715319 21094580 21628620 21905910 22176180 22460490 22748445 26287092 26952588 27298134 28477683 29198637 30331260 31641870 32442930 32858865 33690735 37970244 38931516 39430638 40947201 43811820 44920980 45496890 47462805 48664395 54596268 56955366 58397274 59145957 63283740 64885860 65717730 67381470 68245335 78861276 81894402 85433049 87595911 90993780 94925610 97328790 98576595 113910732 116794548 118291914 131435460 134762940 136490670 142388415 145993185 163788804 170866098 175191822 177437871 189851220 194657580 197153190 204736005 236583828 256299147 272981340 284776830 291986370 295729785 341732196 350383644 354875742 394306380 409472010 427165245 437979555 512598294 532313613 569553660 583972740 591459570 709751484 768897441 818944020 854330490 875959110 887189355 1025196588 1064627226 1182919140 1281495735 1537794882 1708660980 1751918220 1774378710 2129254452 2306692323 2562991470 2661568065 3075589764 3548757420 3844487205 4613384646 5125982940 5323136130 6920076969 7688974410 9226769292 10646272260 11533461615 13840153938 15377948820 23066923230 27680307876 34600384845 46133846460 69200769690 138401539380
• Sum of all divisors σ(n): 478107330246
• Sum of proper divisors (its aliquot sum) s(n): 339705790866
• 138401539380 is an abundant number, because the sum of its proper divisors (339705790866) is greater than itself. Its abundance is 201304251486

Bases of 138401539380

• Binary: 10000000111001010111111110010100110100₂
• Hexadecimal: 0x20395FE534
• Base-36: 1RKWPB90

Squares and roots of 138401539380

• 138401539380 squared (138401539380²) is 19154986102753690784400
• 138401539380 cubed (138401539380³) is 2651079563423617661537479689672000
• The square root of 138401539380 is 372023.5736885501
• The cube root of 138401539380 is 5172.6565116951

Scales and comparisons

• 138,401,539,380 seconds is equal to 4,400 years, 38 weeks, 3 days, 16 hours, 3 minutes.
• To count from 1 to 138,401,539,380 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 138401539380 cubic inches would be around 431.1 feet tall.

Recreational maths with 138401539380

• 138401539380 backwards is 083935104831
• 138401539380 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138401539380's digits is 45
• More coming soon!