138821904364

Names of 138821904364

• Cardinal: 138821904364 can be written as One hundred thirty-eight billion, eight hundred twenty-one million, nine hundred four thousand, three hundred sixty-four.

Scientific notation

• Scientific notation: 1.38821904364 × 10¹¹

Factors of 138821904364

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 594

Divisors of 138821904364

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 11 13 22 26 44 52 61 113 122 137 143 226 244 257 274 286 452 514 548 572 671 793 1028 1243 1342 1469 1507 1586 1781 2486 2684 2827 2938 3014 3172 3341 3562 4972 5654 5876 6028 6682 6893 7124 8357 8723 11308 13364 13786 15481 15677 16159 16714 17446 19591 27572 29041 30962 31354 32318 33428 34892 35209 36751 39182 58082 61924 62708 64636 70418 73502 75823 78364 89609 91927 108641 116164 140836 147004 151646 170291 172447 179218 183854 201253 203801 217282 303292 319451 340582 344894 358436 367708 377533 387299 402506 407602 434564 457717 638902 681164 689788 755066 774598 805012 815204 915434 944341 985699 1195051 1277804 1510132 1549196 1771501 1830868 1888682 1971398 2147749 2213783 2241811 2390102 3543002 3777364 3942796 3978617 4152863 4295498 4427566 4483622 4780204 5034887 7086004 7957234 8305726 8590996 8855132 8967244 10069774 10387751 12276433 15914468 16611452 19486511 20139548 20775502 23029513 23625239 24552866 27920737 38973022 41551004 43764787 46059026 47250478 49105732 51722021 55841474 77946044 87529574 92118052 94500956 103444042 111682948 135040763 175059148 206888084 242695637 253324643 270081526 307128107 485391274 506649286 540163052 568942231 614256214 970782548 1013298572 1137884462 1228512428 2275768924 2669652007 3155043281 5339304014 6310086562 10678608028 12620173124 34705476091 69410952182 138821904364
• Sum of all divisors σ(n): 295939308672
• Sum of proper divisors (its aliquot sum) s(n): 157117404308
• 138821904364 is an abundant number, because the sum of its proper divisors (157117404308) is greater than itself. Its abundance is 18295499944

Bases of 138821904364

• Binary: 10000001010010011011100010011111101100₂
• Hexadecimal: 0x20526E27EC
• Base-36: 1RRUZ6Y4

Squares and roots of 138821904364

• 138821904364 squared (138821904364²) is 19271521131247562244496
• 138821904364 cubed (138821904364³) is 2675309263430854177913560897380544
• The square root of 138821904364 is 372588.1162409773
• The cube root of 138821904364 is 5177.8881634055

Scales and comparisons

• 138,821,904,364 seconds is equal to 4,414 years, 5 weeks, 4 days, 6 minutes, 4 seconds.
• To count from 1 to 138,821,904,364 would take you about eight thousand, eight hundred twenty-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 138821904364 cubic inches would be around 431.5 feet tall.

Recreational maths with 138821904364

• 138821904364 backwards is 463409128831
• The number of decimal digits it has is: 12
• The sum of 138821904364's digits is 49
• More coming soon!