9987247072

Names of 9987247072

• Cardinal: 9987247072 can be written as Nine billion, nine hundred eighty-seven million, two hundred forty-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 9.987247072 × 10⁹

Factors of 9987247072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1294

Divisors of 9987247072

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 11 16 22 32 41 44 53 82 88 106 121 164 176 212 242 328 352 424 451 484 583 656 848 902 968 1166 1187 1312 1696 1804 1936 2173 2332 2374 3608 3872 4346 4664 4748 4961 6413 7216 8692 9328 9496 9922 12826 13057 14432 17384 18656 18992 19844 23903 25652 26114 34768 37984 39688 47806 48667 51304 52228 62911 69536 79376 95612 97334 102608 104456 125822 143627 158752 191224 194668 205216 208912 251644 262933 287254 382448 389336 417824 503288 525866 535337 574508 692021 764896 778672 1006576 1051732 1070674 1149016 1384042 1557344 2013152 2103464 2141348 2298032 2579351 2768084 4206928 4282696 4596064 5158702 5536168 5888707 7612231 8413856 8565392 10317404 11072336 11777414 15224462 17130784 20634808 22144672 23554828 28372861 30448924 41269616 47109656 56745722 60897848 82539232 94219312 113491444 121795696 188438624 226982888 243591392 312101471 453965776 624202942 907931552 1248405884 2496811768 4993623536 9987247072
• Sum of all divisors σ(n): 22576243536
• Sum of proper divisors (its aliquot sum) s(n): 12588996464
• 9987247072 is an abundant number, because the sum of its proper divisors (12588996464) is greater than itself. Its abundance is 2601749392

Bases of 9987247072

• Binary: 1001010011010010010100101111100000₂
• Hexadecimal: 0x253494BE0
• Base-36: 4L65D5S

Squares and roots of 9987247072

• 9987247072 squared (9987247072²) is 99745104077172573184
• 9987247072 cubed (9987247072³) is 996178998641077043570609717248
• The square root of 9987247072 is 99936.2150173799
• The cube root of 9987247072 is 2153.5184554163

Scales and comparisons

• 9,987,247,072 seconds is equal to 317 years, 29 weeks, 2 days, 3 hours, 17 minutes, 52 seconds.
• To count from 1 to 9,987,247,072 would take you about six hundred thirty-five 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 9987247072 cubic inches would be around 179.5 feet tall.

Recreational maths with 9987247072

• 9987247072 backwards is 2707427899
• The number of decimal digits it has is: 10
• The sum of 9987247072's digits is 55
• More coming soon!