381128375393138

Names of 381128375393138

• Cardinal: 381128375393138 can be written as Three hundred eighty-one trillion, one hundred twenty-eight billion, three hundred seventy-five million, three hundred ninety-three thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.81128375393138 × 10¹⁴

Factors of 381128375393138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 454514

Divisors of 381128375393138

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 131 262 431 862 7561 15122 56461 112922 446389 892778 990491 1980982 3258791 6517582 58476959 116953918 192393659 384787318 426901621 853803242 3375147229 6750294458 25203569329 50407138658 442144286999 884288573998 1454688455699 2909376911398 190564187696569 381128375393138
• Sum of all divisors σ(n): 577470845064960
• Sum of proper divisors (its aliquot sum) s(n): 196342469671822
• 381128375393138 is a deficient number, because the sum of its proper divisors (196342469671822) is less than itself. Its deficiency is 184785905721316

Bases of 381128375393138

• Binary: 1010110101010001001011101011011011101101101110010₂
• Hexadecimal: 0x15AA25D6DDB72
• Base-36: 3R3JYI9KS2

Squares and roots of 381128375393138

• 381128375393138 squared (381128375393138²) is 145258838529812719336057487044
• 381128375393138 cubed (381128375393138³) is 55362265140361680036816181798002241841504072
• The square root of 381128375393138 is 19522509.4542975699
• The cube root of 381128375393138 is 72503.1865673923

Scales and comparisons

• 381,128,375,393,138 seconds is equal to 12,118,703 years, 22 weeks, 2 days, 12 hours, 45 minutes, 38 seconds.
• To count from 1 to 381,128,375,393,138 would take you about thirty million, two hundred ninety-six thousand, seven hundred fifty-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 381128375393138 cubic inches would be around 6041.9 feet tall.

Recreational maths with 381128375393138

• 381128375393138 backwards is 831393573821183
• The number of decimal digits it has is: 15
• The sum of 381128375393138's digits is 65
• More coming soon!