9998994432

Names of 9998994432

• Cardinal: 9998994432 can be written as Nine billion, nine hundred ninety-eight million, nine hundred ninety-four thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 9.998994432 × 10⁹

Factors of 9998994432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 464995

Divisors of 9998994432

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2688 3072 3584 5376 7168 10752 21504 464983 929966 1394949 1859932 2789898 3254881 3719864 5579796 6509762 7439728 9764643 11159592 13019524 14879456 19529286 22319184 26039048 29758912 39058572 44638368 52078096 59517824 78117144 89276736 104156192 119035648 156234288 178553472 208312384 238071296 312468576 357106944 416624768 476142592 624937152 714213888 833249536 1249874304 1428427776 1666499072 2499748608 3332998144 4999497216 9998994432
• Sum of all divisors σ(n): 30458311936
• Sum of proper divisors (its aliquot sum) s(n): 20459317504
• 9998994432 is an abundant number, because the sum of its proper divisors (20459317504) is greater than itself. Its abundance is 10460323072

Bases of 9998994432

• Binary: 1001010011111111001000110000000000₂
• Hexadecimal: 0x253FC8C00
• Base-36: 4LD55HC

Squares and roots of 9998994432

• 9998994432 squared (9998994432²) is 99979889651167002624
• 9998994432 cubed (9998994432³) is 999698359933993281539505389568
• The square root of 9998994432 is 99994.9720335977
• The cube root of 9998994432 is 2154.3624732585

Scales and comparisons

• 9,998,994,432 seconds is equal to 317 years, 48 weeks, 5 days, 2 hours, 27 minutes, 12 seconds.
• To count from 1 to 9,998,994,432 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 9998994432 cubic inches would be around 179.5 feet tall.

Recreational maths with 9998994432

• 9998994432 backwards is 2344998999
• The number of decimal digits it has is: 10
• The sum of 9998994432's digits is 66
• More coming soon!