3994956820

Names of 3994956820

• Cardinal: 3994956820 can be written as Three billion, nine hundred ninety-four million, nine hundred fifty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.99495682 × 10⁹

Factors of 3994956820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 506

Divisors of 3994956820

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 17 20 34 68 85 109 170 218 289 340 373 436 545 578 746 1090 1156 1445 1492 1853 1865 2180 2890 3706 3730 4913 5780 6341 7412 7460 9265 9826 12682 18530 19652 24565 25364 31501 31705 37060 40657 49130 63002 63410 81314 98260 107797 126004 126820 157505 162628 203285 215594 315010 406570 431188 535517 538985 630020 691169 813140 1071034 1077970 1382338 1832549 2142068 2155940 2677585 2764676 3455845 3665098 5355170 6911690 7330196 9162745 10710340 11749873 13823380 18325490 23499746 36650980 46999492 58749365 117498730 199747841 234997460 399495682 798991364 998739205 1997478410 3994956820
• Sum of all divisors σ(n): 9019533600
• Sum of proper divisors (its aliquot sum) s(n): 5024576780
• 3994956820 is an abundant number, because the sum of its proper divisors (5024576780) is greater than itself. Its abundance is 1029619960

Bases of 3994956820

• Binary: 11101110000111100011010000010100₂
• Hexadecimal: 0xEE1E3414
• Base-36: 1U2HSES

Squares and roots of 3994956820

• 3994956820 squared (3994956820²) is 15959679993664512400
• 3994956820 cubed (3994956820³) is 63758232435707600604354568000
• The square root of 3994956820 is 63205.6707898903
• The cube root of 3994956820 is 1586.7336422975

Scales and comparisons

• 3,994,956,820 seconds is equal to 127 years, 1 week, 2 days, 22 hours, 13 minutes, 40 seconds.
• To count from 1 to 3,994,956,820 would take you about two hundred fifty-four 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 3994956820 cubic inches would be around 132.2 feet tall.

Recreational maths with 3994956820

• 3994956820 backwards is 0286594993
• The number of decimal digits it has is: 10
• The sum of 3994956820's digits is 55
• More coming soon!