38742228021

Names of 38742228021

• Cardinal: 38742228021 can be written as Thirty-eight billion, seven hundred forty-two million, two hundred twenty-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 3.8742228021 × 10¹⁰

Factors of 38742228021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5462

Divisors of 38742228021

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 31 43 93 129 217 271 301 651 813 903 1333 1897 3999 5107 5691 8401 9331 11653 15321 25203 27993 34959 35749 58807 81571 107247 158317 176421 219601 244713 361243 474951 658803 1083729 1108219 1383997 1537207 2528701 3324657 4151991 4611621 6807631 7586103 9687979 20422893 29063937 42903907 47653417 59511871 128711721 142960251 178535613 300327349 416583097 900982047 1249749291 1844868001 5534604003 12914076007 38742228021
• Sum of all divisors σ(n): 62599725056
• Sum of proper divisors (its aliquot sum) s(n): 23857497035
• 38742228021 is a deficient number, because the sum of its proper divisors (23857497035) is less than itself. Its deficiency is 14884730986

Bases of 38742228021

• Binary: 100100000101001101110111110000110101₂
• Hexadecimal: 0x905377C35
• Base-36: HSQ4EGL

Squares and roots of 38742228021

• 38742228021 squared (38742228021²) is 1500960232031157576441
• 38742228021 cubed (38742228021³) is 58150543559804174803058959653261
• The square root of 38742228021 is 196830.4550139535
• The cube root of 38742228021 is 3383.7234744861

Scales and comparisons

• 38,742,228,021 seconds is equal to 1,231 years, 45 weeks, 6 days, 10 hours, 21 seconds.
• To count from 1 to 38,742,228,021 would take you about two thousand, four hundred sixty-three 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 38742228021 cubic inches would be around 282 feet tall.

Recreational maths with 38742228021

• 38742228021 backwards is 12082224783
• The number of decimal digits it has is: 11
• The sum of 38742228021's digits is 39
• More coming soon!