3998007216

Names of 3998007216

• Cardinal: 3998007216 can be written as Three billion, nine hundred ninety-eight million, seven thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 3.998007216 × 10⁹

Factors of 3998007216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13232

Divisors of 3998007216

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 43 48 49 56 63 72 84 86 98 112 126 129 144 147 168 172 196 252 258 294 301 336 344 387 392 441 504 516 588 602 688 774 784 882 903 1008 1032 1176 1204 1548 1764 1806 2064 2107 2352 2408 2709 3096 3528 3612 4214 4816 5418 6192 6321 7056 7224 8428 10836 12642 13177 14448 16856 18963 21672 25284 26354 33712 37926 39531 43344 50568 52708 75852 79062 92239 101136 105416 118593 151704 158124 184478 210832 237186 276717 303408 316248 368956 474372 553434 566611 632496 645673 737912 830151 948744 1106868 1133222 1291346 1475824 1660302 1699833 1897488 1937019 2213736 2266444 2582692 3320604 3399666 3874038 3966277 4427472 4532888 5099499 5165384 5811057 6641208 6799332 7748076 7932554 9065776 10198998 10330768 11622114 11898831 13282416 13598664 15496152 15865108 20397996 23244228 23797662 27197328 27763939 30992304 31730216 35696493 40795992 46488456 47595324 55527878 63460432 71392986 81591984 83291817 92976912 95190648 111055756 142785972 166583634 190381296 222111512 249875451 285571944 333167268 444223024 499750902 571143888 666334536 999501804 1332669072 1999003608 3998007216
• Sum of all divisors σ(n): 13319320872
• Sum of proper divisors (its aliquot sum) s(n): 9321313656
• 3998007216 is an abundant number, because the sum of its proper divisors (9321313656) is greater than itself. Its abundance is 5323306440

Bases of 3998007216

• Binary: 11101110010011001011111110110000₂
• Hexadecimal: 0xEE4CBFB0
• Base-36: 1U4B640

Squares and roots of 3998007216

• 3998007216 squared (3998007216²) is 15984061699188070656
• 3998007216 cubed (3998007216³) is 63904394014343127823805853696
• The square root of 3998007216 is 63229.7968998793
• The cube root of 3998007216 is 1587.1373958945

Scales and comparisons

• 3,998,007,216 seconds is equal to 127 years, 6 weeks, 3 days, 5 hours, 33 minutes, 36 seconds.
• To count from 1 to 3,998,007,216 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 3998007216 cubic inches would be around 132.3 feet tall.

Recreational maths with 3998007216

• 3998007216 backwards is 6127008993
• The number of decimal digits it has is: 10
• The sum of 3998007216's digits is 45
• More coming soon!