20382001731

Names of 20382001731

• Cardinal: 20382001731 can be written as Twenty billion, three hundred eighty-two million, one thousand, seven hundred thirty-one.

Scientific notation

• Scientific notation: 2.0382001731 × 10¹⁰

Factors of 20382001731

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 395046

Divisors of 20382001731

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 81 91 117 147 189 273 351 441 567 637 819 1053 1323 1911 2457 3969 5733 7371 17199 51597 395023 1185069 2765161 3555207 5135299 8295483 10665621 15405897 19356127 24886449 31996863 35947093 46217691 58068381 74659347 107841279 138653073 174205143 223978041 251629651 323523837 415959219 522615429 754888953 970571511 1567846287 2264666859 2911714533 6794000577 20382001731
• Sum of all divisors σ(n): 38142727392
• Sum of proper divisors (its aliquot sum) s(n): 17760725661
• 20382001731 is a deficient number, because the sum of its proper divisors (17760725661) is less than itself. Its deficiency is 2621276070

Bases of 20382001731

• Binary: 10010111110110111001010101001000011₂
• Hexadecimal: 0x4BEDCAA43
• Base-36: 9D2X16R

Squares and roots of 20382001731

• 20382001731 squared (20382001731²) is 415425994562486996361
• 20382001731 cubed (20382001731³) is 8467213340275006547494892700891
• The square root of 20382001731 is 142765.5481234881
• The cube root of 20382001731 is 2731.5906115249

Scales and comparisons

• 20,382,001,731 seconds is equal to 648 years, 4 weeks, 2 days, 19 hours, 8 minutes, 51 seconds.
• To count from 1 to 20,382,001,731 would take you about one thousand, two hundred ninety-six 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 20382001731 cubic inches would be around 227.6 feet tall.

Recreational maths with 20382001731

• 20382001731 backwards is 13710028302
• 20382001731 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20382001731's digits is 27
• More coming soon!