20949797946

Names of 20949797946

• Cardinal: 20949797946 can be written as Twenty billion, nine hundred forty-nine million, seven hundred ninety-seven thousand, nine hundred forty-six.

Scientific notation

• Scientific notation: 2.0949797946 × 10¹⁰

Factors of 20949797946

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 327

Divisors of 20949797946

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 66 77 113 121 154 191 226 231 242 339 363 382 462 573 678 726 791 847 1146 1243 1337 1582 1694 2101 2373 2486 2541 2674 3729 4011 4202 4746 5082 6303 7458 8022 8701 12606 13673 14707 17402 21583 23111 26103 27346 29414 36481 41019 43166 44121 46222 52206 64749 69333 72962 82038 88242 95711 109443 129498 138666 151081 161777 191422 218886 237413 255367 287133 302162 323554 401291 453243 474826 485331 510734 574266 712239 766101 802582 906486 970662 1203873 1424478 1532202 1661891 2407746 2611543 2809037 3323782 4122353 4414201 4985673 5223086 5618074 7834629 8244706 8427111 8828402 9971346 12367059 13242603 15669258 16854222 18280801 24734118 26485206 28856471 30899407 36561602 45345883 54842403 57712942 61798814 86569413 90691766 92698221 109684806 136037649 173138826 185396442 272075298 317421181 498804713 634842362 952263543 997609426 1496414139 1904527086 2992828278 3491632991 6983265982 10474898973 20949797946
• Sum of all divisors σ(n): 53379458496
• Sum of proper divisors (its aliquot sum) s(n): 32429660550
• 20949797946 is an abundant number, because the sum of its proper divisors (32429660550) is greater than itself. Its abundance is 11479862604

Bases of 20949797946

• Binary: 10011100000101101001000110000111010₂
• Hexadecimal: 0x4E0B48C3A
• Base-36: 9MGYVJU

Squares and roots of 20949797946

• 20949797946 squared (20949797946²) is 438894033978225818916
• 20949797946 cubed (20949797946³) is 9194741331548689469850584746536
• The square root of 20949797946 is 144740.4502756573
• The cube root of 20949797946 is 2756.7239513803

Scales and comparisons

• 20,949,797,946 seconds is equal to 666 years, 7 weeks, 1 day, 12 hours, 19 minutes, 6 seconds.
• To count from 1 to 20,949,797,946 would take you about one thousand, three hundred thirty-two 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 20949797946 cubic inches would be around 229.7 feet tall.

Recreational maths with 20949797946

• 20949797946 backwards is 64979794902
• 20949797946 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20949797946's digits is 66
• More coming soon!