20249721380

Names of 20249721380

• Cardinal: 20249721380 can be written as Twenty billion, two hundred forty-nine million, seven hundred twenty-one thousand, three hundred eighty.

Scientific notation

• Scientific notation: 2.024972138 × 10¹⁰

Factors of 20249721380

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34996

Divisors of 20249721380

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 601 980 1202 2404 3005 4207 6010 8414 12020 16828 21035 29449 34381 42070 58898 68762 84140 117796 137524 147245 171905 240667 294490 343810 481334 588980 687620 962668 1203335 1684669 2406670 3369338 4813340 6738676 8423345 16846690 20662981 33693380 41325962 82651924 103314905 144640867 206629810 289281734 413259620 578563468 723204335 1012486069 1446408670 2024972138 2892817340 4049944276 5062430345 10124860690 20249721380
• Sum of all divisors σ(n): 49550925816
• Sum of proper divisors (its aliquot sum) s(n): 29301204436
• 20249721380 is an abundant number, because the sum of its proper divisors (29301204436) is greater than itself. Its abundance is 9051483056

Bases of 20249721380

• Binary: 10010110110111110100011101000100100₂
• Hexadecimal: 0x4B6FA3A24
• Base-36: 9AW5T0K

Squares and roots of 20249721380

• 20249721380 squared (20249721380²) is 410051215967629104400
• 20249721380 cubed (20249721380³) is 8303422874874696463278932072000
• The square root of 20249721380 is 142301.5157333189
• The cube root of 20249721380 is 2725.6683882985

Scales and comparisons

• 20,249,721,380 seconds is equal to 643 years, 45 weeks, 4 days, 18 hours, 36 minutes, 20 seconds.
• To count from 1 to 20,249,721,380 would take you about one thousand, two hundred eighty-seven 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 20249721380 cubic inches would be around 227.1 feet tall.

Recreational maths with 20249721380

• 20249721380 backwards is 08312794202
• The number of decimal digits it has is: 11
• The sum of 20249721380's digits is 38
• More coming soon!