138539208808

Names of 138539208808

• Cardinal: 138539208808 can be written as One hundred thirty-eight billion, five hundred thirty-nine million, two hundred eight thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.38539208808 × 10¹¹

Factors of 138539208808

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 314

Divisors of 138539208808

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 7 8 11 13 14 17 22 26 28 34 44 49 52 53 56 68 77 88 91 98 104 106 119 136 143 154 169 182 187 196 211 212 221 238 286 308 338 364 371 374 392 422 424 442 476 539 572 583 616 637 676 689 728 742 748 833 844 884 901 952 1001 1078 1144 1166 1183 1274 1309 1352 1378 1477 1484 1496 1547 1666 1688 1768 1802 1859 2002 2156 2321 2332 2366 2431 2548 2597 2618 2743 2756 2873 2954 2968 3094 3332 3587 3604 3718 4004 4081 4312 4642 4664 4732 4823 4862 5096 5194 5236 5486 5512 5746 5908 6188 6307 6664 7007 7174 7208 7436 7579 8008 8162 8281 8957 9163 9284 9464 9646 9724 9911 10339 10388 10472 10829 10972 11183 11492 11713 11816 12376 12614 13013 14014 14348 14872 15158 16247 16324 16562 17017 17914 18326 18568 19201 19292 19448 19822 20111 20678 20776 21658 21944 22366 22984 23426 25109 25228 26026 28028 28567 28696 30173 30316 31603 32494 32648 33124 33761 34034 35659 35828 36652 38402 38584 39457 39644 40222 41356 43316 44149 44732 46631 46852 50218 50456 52052 53053 56056 57134 60346 60632 62699 63206 64988 66248 67522 68068 69377 71318 71656 73304 76804 78281 78914 79288 80444 81991 82712 86632 88298 89464 91091 93262 93704 98527 100436 104104 106106 113729 114268 119119 120692 123013 125398 126412 128843 129976 134407 135044 136136 138754 140777 142636 145379 152269 153608 156562 157828 160888 163982 175763 176596 182182 186524 190111 197054 200872 211211 212212 221221 227458 228536 238238 241384 246026 249613 250796 252824 257686 268814 270088 276199 277508 281554 285272 290758 304538 313124 315656 326417 327964 351526 353192 364364 371371 373048 380222 392249 394108 422422 424424 438893 442442 454916 476476 485639 492052 499226 501592 512941 515372 537628 547967 552398 555016 563108 573937 581516 606203 609076 626248 652834 655928 689689 703052 728728 742742 760444 784498 788216 844844 861091 877786 884884 901901 909832 952952 971278 984104 998452 1017653 1025882 1030744 1065883 1075256 1095934 1104796 1126216 1147874 1163032 1212406 1218152 1305668 1330777 1379378 1406104 1478477 1485484 1520888 1548547 1568996 1599169 1674959 1689688 1722182 1747291 1755572 1769768 1803802 1889927 1933393 1942556 1996904 2035306 2051764 2091221 2131766 2191868 2209592 2284919 2295748 2424812 2471443 2611336 2661554 2745743 2758756 2956954 2970968 3097094 3137992 3198338 3349918 3444364 3494582 3511144 3590587 3607604 3779854 3866786 3885112 4070612 4103528 4182442 4243421 4263532 4383736 4569838 4591496 4827823 4849624 4942886 5323108 5491486 5517512 5913908 6027637 6194188 6313307 6396676 6668233 6699836 6888728 6989164 7123571 7181174 7215208 7461181 7559708 7733572 8141224 8364884 8486842 8527064 9139676 9315439 9655646 9885772 10646216 10982972 11194183 11724713 11827816 12055274 12388376 12626614 12793352 13229489 13336466 13399672 13978328 14247142 14362348 14638547 14922362 15119416 15467144 16729768 16973684 17300101 18279352 18630878 19220201 19311292 19771544 20789197 21965944 22388366 23449426 24110548 25134109 25253228 26458978 26672932 27185873 28494284 28724696 29277094 29703947 29844724 32128759 33947368 34600202 37261756 38440402 38622584 41578394 44776732 46677631 46898852 48221096 50268218 50506456 52917956 53345864 54371746 56988568 58554188 59407894 59689448 64257518 69200404 74523512 76880804 78359281 82072991 83156788 89553464 92606423 93355262 93797704 100536436 102469829 105835912 108743492 117108376 118815788 121100707 128515036 138400808 145524379 153761608 156718562 164145982 166313576 185212846 186710524 190301111 201072872 204939658 217486984 224901313 237631576 242201414 257030072 291048758 313437124 326743417 328291964 353416349 370425692 373421048 380602222 409879316 449802626 484402828 582097516 626874248 653486834 656583928 706832698 740851384 761204444 819758632 899605252 968805656 1018670653 1164195032 1306973668 1332107777 1413665396 1522408888 1574309191 1799210504 2037341306 2473914443 2613947336 2664215554 2827330792 3148618382 4074682612 4947828886 5328431108 6297236764 8149365224 9895657772 10656862216 12594473528 17317401101 19791315544 34634802202 69269604404 138539208808
• Sum of all divisors σ(n): 386901645120
• Sum of proper divisors (its aliquot sum) s(n): 248362436312
• 138539208808 is an abundant number, because the sum of its proper divisors (248362436312) is greater than itself. Its abundance is 109823227504

Bases of 138539208808

• Binary: 10000001000001100101001001000001101000₂
• Hexadecimal: 0x2041949068
• Base-36: 1RN6O1NS

Squares and roots of 138539208808

• 138539208808 squared (138539208808²) is 19193112377146624780864
• 138539208808 cubed (138539208808³) is 2658998603292925497748544938650112
• The square root of 138539208808 is 372208.5555276773
• The cube root of 138539208808 is 5174.3710414615

Scales and comparisons

• 138,539,208,808 seconds is equal to 4,405 years, 6 weeks, 1 day, 1 hour, 33 minutes, 28 seconds.
• To count from 1 to 138,539,208,808 would take you about eight thousand, eight hundred ten 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 138539208808 cubic inches would be around 431.2 feet tall.

Recreational maths with 138539208808

• 138539208808 backwards is 808802935831
• The number of decimal digits it has is: 12
• The sum of 138539208808's digits is 55
• More coming soon!