138449156885

Names of 138449156885

• Cardinal: 138449156885 can be written as One hundred thirty-eight billion, four hundred forty-nine million, one hundred fifty-six thousand, eight hundred eighty-five.

Scientific notation

• Scientific notation: 1.38449156885 × 10¹¹

Factors of 138449156885

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2878

Divisors of 138449156885

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 13 31 37 65 155 185 403 481 1093 1147 1699 2015 2405 5465 5735 8495 14209 14911 22087 33883 40441 52669 62863 71045 74555 110435 169415 202205 263345 314315 440479 525733 684697 817219 1253671 1857007 1948753 2202395 2628665 3423485 4086095 6268355 9285035 9743765 16297723 24141091 25333789 57567217 68709259 81488615 120705455 126668945 287836085 343546295 748373821 893220367 2129987029 3741869105 4466101835 10649935145 27689831377 138449156885
• Sum of all divisors σ(n): 189967411200
• Sum of proper divisors (its aliquot sum) s(n): 51518254315
• 138449156885 is a deficient number, because the sum of its proper divisors (51518254315) is less than itself. Its deficiency is 86930902570

Bases of 138449156885

• Binary: 10000000111100001101100111101100010101₂
• Hexadecimal: 0x203C367B15
• Base-36: 1RLP1X5H

Squares and roots of 138449156885

• 138449156885 squared (138449156885²) is 19168169042167342903225
• 138449156885 cubed (138449156885³) is 2653816842917226638032189397454125
• The square root of 138449156885 is 372087.5661521089
• The cube root of 138449156885 is 5173.2496668387

Scales and comparisons

• 138,449,156,885 seconds is equal to 4,402 years, 13 weeks, 1 day, 19 hours, 8 minutes, 5 seconds.
• To count from 1 to 138,449,156,885 would take you about eight thousand, eight hundred four 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 138449156885 cubic inches would be around 431.1 feet tall.

Recreational maths with 138449156885

• 138449156885 backwards is 588651944831
• The number of decimal digits it has is: 12
• The sum of 138449156885's digits is 62
• More coming soon!