3987989964

Names of 3987989964

• Cardinal: 3987989964 can be written as Three billion, nine hundred eighty-seven million, nine hundred eighty-nine thousand, nine hundred sixty-four.

Scientific notation

• Scientific notation: 3.987989964 × 10⁹

Factors of 3987989964

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 983

Divisors of 3987989964

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 23 27 28 36 42 46 54 63 69 81 84 89 92 108 126 138 161 162 178 189 207 252 267 276 322 324 356 378 414 483 534 567 621 623 644 756 801 828 859 966 1068 1134 1242 1246 1449 1602 1718 1863 1869 1932 2047 2268 2403 2484 2492 2577 2898 3204 3436 3726 3738 4094 4347 4806 5154 5607 5796 6013 6141 7209 7452 7476 7731 8188 8694 9612 10308 11214 12026 12282 13041 14329 14418 15462 16821 17388 18039 18423 19757 22428 23193 24052 24564 26082 28658 28836 30924 33642 36078 36846 39514 42987 46386 50463 52164 54117 55269 57316 59271 67284 69579 72156 73692 76451 79028 85974 92772 100926 108234 110538 118542 128961 138299 139158 152902 162351 165807 171948 177813 201852 216468 221076 229353 237084 257922 276598 278316 305804 324702 331614 355626 386883 414897 458706 487053 515844 533439 535157 553196 649404 663228 688059 711252 773766 829794 917412 974106 1066878 1070314 1160649 1244691 1376118 1547532 1600317 1605471 1659588 1758373 1948212 2064177 2133756 2140628 2321298 2489382 2752236 3200634 3210942 3516746 3734073 4128354 4642596 4816413 4978764 5275119 6192531 6401268 6421884 7033492 7468146 8256708 9632826 10550238 11202219 12308611 12385062 14449239 14936292 15825357 19265652 21100476 22404438 24617222 24770124 28898478 31650714 36925833 43347717 44808876 47476071 49234444 57796956 63301428 73851666 86695434 94952142 110777499 142428213 147703332 173390868 189904284 221554998 284856426 332332497 443109996 569712852 664664994 996997491 1329329988 1993994982 3987989964
• Sum of all divisors σ(n): 12587097600
• Sum of proper divisors (its aliquot sum) s(n): 8599107636
• 3987989964 is an abundant number, because the sum of its proper divisors (8599107636) is greater than itself. Its abundance is 4611117672

Bases of 3987989964

• Binary: 11101101101100111110010111001100₂
• Hexadecimal: 0xEDB3E5CC
• Base-36: 1TYCGR0

Squares and roots of 3987989964

• 3987989964 squared (3987989964²) is 15904063952964721296
• 3987989964 cubed (3987989964³) is 63425247431237476574505073344
• The square root of 3987989964 is 63150.5341545105
• The cube root of 3987989964 is 1585.8107306049

Scales and comparisons

• 3,987,989,964 seconds is equal to 126 years, 41 weeks, 6 days, 6 hours, 59 minutes, 24 seconds.
• To count from 1 to 3,987,989,964 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 3987989964 cubic inches would be around 132.2 feet tall.

Recreational maths with 3987989964

• 3987989964 backwards is 4699897893
• The number of decimal digits it has is: 10
• The sum of 3987989964's digits is 72
• More coming soon!