138878225808

Names of 138878225808

• Cardinal: 138878225808 can be written as One hundred thirty-eight billion, eight hundred seventy-eight million, two hundred twenty-five thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.38878225808 × 10¹¹

Factors of 138878225808

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 503

Divisors of 138878225808

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 31 42 48 56 62 84 93 107 112 124 168 186 214 217 248 321 336 353 372 428 434 496 642 651 706 744 749 856 868 1059 1284 1302 1412 1488 1498 1712 1736 2118 2247 2471 2568 2604 2824 2996 3317 3472 4236 4494 4942 5136 5208 5648 5992 6634 7413 8472 8988 9884 9951 10416 10943 11984 13268 14826 16944 17976 19768 19902 21886 23219 26536 29652 32829 35952 37771 39536 39804 43772 46438 53072 59304 65658 69657 75542 76601 79608 87544 92876 113313 118608 124609 131316 139314 151084 153202 159216 175088 185752 226626 229803 249218 262632 264397 278628 302168 306404 371504 373827 453252 459606 498436 525264 528794 557256 604336 612808 747654 793191 872263 906504 919212 996872 1057588 1114512 1170901 1225616 1495308 1586382 1744526 1813008 1838424 1993744 2115176 2341802 2616789 2990616 3172764 3489052 3512703 3676848 3862879 4230352 4683604 5233578 5981232 6345528 6978104 7025406 7725758 8196307 9367208 10467156 11588637 12691056 13333163 13956208 14050812 15451516 16392614 18734416 20934312 23177274 24588921 26666326 27040153 28101624 30903032 32785228 39999489 41868624 46354548 49177842 53332652 54080306 56203248 61806064 65570456 79998978 81120459 92709096 93332141 98355684 106665304 108160612 131140912 159997956 162240918 185418192 186664282 196711368 213330608 216321224 279996423 319995912 324481836 373328564 393422736 413328053 432642448 559992846 639991824 648963672 746657128 826656106 1119985692 1239984159 1297927344 1493314256 1653312212 2239971384 2479968318 2893296371 3306624424 4479942768 4959936636 5786592742 6613248848 8679889113 9919873272 11573185484 17359778226 19839746544 23146370968 34719556452 46292741936 69439112904 138878225808
• Sum of all divisors σ(n): 428417150976
• Sum of proper divisors (its aliquot sum) s(n): 289538925168
• 138878225808 is an abundant number, because the sum of its proper divisors (289538925168) is greater than itself. Its abundance is 150660699360

Bases of 138878225808

• Binary: 10000001010101110010011000110110010000₂
• Hexadecimal: 0x2055C98D90
• Base-36: 1RSSICUO

Squares and roots of 138878225808

• 138878225808 squared (138878225808²) is 19287161603577837252864
• 138878225808 cubed (138878225808³) is 2678566784377070262707520986714112
• The square root of 138878225808 is 372663.6899511409
• The cube root of 138878225808 is 5178.5883091785

Scales and comparisons

• 138,878,225,808 seconds is equal to 4,415 years, 46 weeks, 4 days, 20 hours, 56 minutes, 48 seconds.
• To count from 1 to 138,878,225,808 would take you about eight thousand, eight hundred thirty-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 138878225808 cubic inches would be around 431.5 feet tall.

Recreational maths with 138878225808

• 138878225808 backwards is 808522878831
• The number of decimal digits it has is: 12
• The sum of 138878225808's digits is 60
• More coming soon!