3999957472

Names of 3999957472

• Cardinal: 3999957472 can be written as Three billion, nine hundred ninety-nine million, nine hundred fifty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 3.999957472 × 10⁹

Factors of 3999957472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1304

Divisors of 3999957472

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 29 32 34 56 58 68 112 116 119 136 203 224 232 238 272 406 464 476 493 544 812 841 928 952 986 1249 1624 1682 1904 1972 2498 3248 3364 3451 3808 3944 4996 5887 6496 6728 6902 7888 8743 9992 11774 13456 13804 14297 15776 17486 19984 21233 23548 26912 27608 28594 34972 36221 39968 42466 47096 55216 57188 69944 72442 84932 94192 100079 110432 114376 139888 144884 148631 169864 188384 200158 228752 253547 279776 289768 297262 339728 400316 457504 507094 579536 594524 615757 679456 800632 1014188 1050409 1159072 1189048 1231514 1601264 2028376 2100818 2378096 2463028 3202528 4056752 4201636 4310299 4756192 4926056 7352863 8113504 8403272 8620598 9852112 14705726 16806544 17241196 17856953 19704224 29411452 33613088 34482392 35713906 58822904 68964784 71427812 117645808 124998671 137929568 142855624 235291616 249997342 285711248 499994684 571422496 999989368 1999978736 3999957472
• Sum of all divisors σ(n): 9877140000
• Sum of proper divisors (its aliquot sum) s(n): 5877182528
• 3999957472 is an abundant number, because the sum of its proper divisors (5877182528) is greater than itself. Its abundance is 1877225056

Bases of 3999957472

• Binary: 11101110011010101000000111100000₂
• Hexadecimal: 0xEE6A81E0
• Base-36: 1U5GYXS

Squares and roots of 3999957472

• 3999957472 squared (3999957472²) is 15999659777808630784
• 3999957472 cubed (3999957472³) is 63997958677703492490550018048
• The square root of 3999957472 is 63245.2169891129
• The cube root of 3999957472 is 1587.3954261991

Scales and comparisons

• 3,999,957,472 seconds is equal to 127 years, 9 weeks, 4 days, 19 hours, 17 minutes, 52 seconds.
• To count from 1 to 3,999,957,472 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 3999957472 cubic inches would be around 132.3 feet tall.

Recreational maths with 3999957472

• 3999957472 backwards is 2747599993
• The number of decimal digits it has is: 10
• The sum of 3999957472's digits is 64
• More coming soon!