9939420400

Names of 9939420400

• Cardinal: 9939420400 can be written as Nine billion, nine hundred thirty-nine million, four hundred twenty thousand, four hundred.

Scientific notation

• Scientific notation: 9.9394204 × 10⁹

Factors of 9939420400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 273088

Divisors of 9939420400

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 35 40 50 52 56 65 70 80 91 100 104 112 130 140 175 182 200 208 260 280 325 350 364 400 455 520 560 650 700 728 910 1040 1300 1400 1456 1820 2275 2600 2800 3640 4550 5200 7280 9100 18200 36400 273061 546122 1092244 1365305 1911427 2184488 2730610 3549793 3822854 4368976 5461220 6826525 7099586 7645708 9557135 10922440 13653050 14199172 15291416 17748965 19114270 21844880 24848551 27306100 28398344 30582832 35497930 38228540 47785675 49697102 54612200 56796688 70995860 76457080 88744825 95571350 99394204 109224400 124242755 141991720 152914160 177489650 191142700 198788408 248485510 283983440 354979300 382285400 397576816 496971020 621213775 709958600 764570800 993942040 1242427550 1419917200 1987884080 2484855100 4969710200 9939420400
• Sum of all divisors σ(n): 29390209184
• Sum of proper divisors (its aliquot sum) s(n): 19450788784
• 9939420400 is an abundant number, because the sum of its proper divisors (19450788784) is greater than itself. Its abundance is 9511368384

Bases of 9939420400

• Binary: 1001010000011011111000010011110000₂
• Hexadecimal: 0x2506F84F0
• Base-36: 4KDO9V4

Squares and roots of 9939420400

• 9939420400 squared (9939420400²) is 98792077887936160000
• 9939420400 cubed (9939420400³) is 981935994317741582601664000000
• The square root of 9939420400 is 99696.6418692225
• The cube root of 9939420400 is 2150.0753822495

Scales and comparisons

• 9,939,420,400 seconds is equal to 316 years, 2 weeks, 1 day, 14 hours, 6 minutes, 40 seconds.
• To count from 1 to 9,939,420,400 would take you about six hundred thirty-two 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 9939420400 cubic inches would be around 179.2 feet tall.

Recreational maths with 9939420400

• 9939420400 backwards is 0040249399
• 9939420400 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9939420400's digits is 40
• More coming soon!