3994021616

Names of 3994021616

• Cardinal: 3994021616 can be written as Three billion, nine hundred ninety-four million, twenty-one thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 3.994021616 × 10⁹

Factors of 3994021616

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 320

Divisors of 3994021616

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 13 16 17 19 26 34 38 52 68 76 104 136 152 169 208 221 247 269 272 289 304 323 338 442 494 538 578 646 676 884 988 1076 1156 1292 1352 1768 1976 2152 2312 2584 2704 2873 3211 3497 3536 3757 3952 4199 4304 4573 4624 5111 5168 5491 5746 6422 6994 7514 8398 9146 10222 10982 11492 12844 13988 15028 16796 18292 20444 21964 22984 25688 27976 30056 33592 36584 40888 43928 45461 45968 48841 51376 54587 55952 59449 60112 66443 67184 71383 73168 77741 81776 86887 87856 90922 97682 109174 118898 132886 142766 155482 173774 181844 195364 218348 237796 265772 285532 310964 347548 363688 390728 436696 475592 531544 571064 621928 695096 727376 772837 781456 863759 873392 927979 951184 1010633 1063088 1129531 1142128 1243856 1390192 1477079 1545674 1727518 1855958 2021266 2259062 2954158 3091348 3455036 3711916 4042532 4518124 5908316 6182696 6910072 7423832 8085064 9036248 11816632 12365392 13138229 13820144 14683903 14847664 16170128 18072496 19202027 23633264 26276458 29367806 38404054 52552916 58735612 76808108 105105832 117471224 153616216 210211664 234942448 249626351 307232432 499252702 998505404 1997010808 3994021616
• Sum of all divisors σ(n): 9404699400
• Sum of proper divisors (its aliquot sum) s(n): 5410677784
• 3994021616 is an abundant number, because the sum of its proper divisors (5410677784) is greater than itself. Its abundance is 1416656168

Bases of 3994021616

• Binary: 11101110000011111110111011110000₂
• Hexadecimal: 0xEE0FEEF0
• Base-36: 1U1XQSW

Squares and roots of 3994021616

• 3994021616 squared (3994021616²) is 15952208669075251456
• 3994021616 cubed (3994021616³) is 63713466247229145045899472896
• The square root of 3994021616 is 63198.2722548647
• The cube root of 3994021616 is 1586.6098165571

Scales and comparisons

• 3,994,021,616 seconds is equal to 126 years, 51 weeks, 6 days, 2 hours, 26 minutes, 56 seconds.
• To count from 1 to 3,994,021,616 would take you about two hundred fifty-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 3994021616 cubic inches would be around 132.2 feet tall.

Recreational maths with 3994021616

• 3994021616 backwards is 6161204993
• The number of decimal digits it has is: 10
• The sum of 3994021616's digits is 41
• More coming soon!