3990398500

Names of 3990398500

• Cardinal: 3990398500 can be written as Three billion, nine hundred ninety million, three hundred ninety-eight thousand, five hundred.

Scientific notation

• Scientific notation: 3.9903985 × 10⁹

Factors of 3990398500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 65975

Divisors of 3990398500

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 125 220 242 250 275 484 500 550 605 1100 1210 1375 2420 2750 3025 5500 6050 12100 15125 30250 60500 65957 131914 263828 329785 659570 725527 1319140 1451054 1648925 2902108 3297850 3627635 6595700 7255270 7980797 8244625 14510540 15961594 16489250 18138175 31923188 32978500 36276350 39903985 72552700 79807970 90690875 159615940 181381750 199519925 362763500 399039850 798079700 997599625 1995199250 3990398500
• Sum of all divisors σ(n): 9579476088
• Sum of proper divisors (its aliquot sum) s(n): 5589077588
• 3990398500 is an abundant number, because the sum of its proper divisors (5589077588) is greater than itself. Its abundance is 1598679088

Bases of 3990398500

• Binary: 11101101110110001010011000100100₂
• Hexadecimal: 0xEDD8A624
• Base-36: 1TZS36S

Squares and roots of 3990398500

• 3990398500 squared (3990398500²) is 15923280188802250000
• 3990398500 cubed (3990398500³) is 63540233380476215196625000000
• The square root of 3990398500 is 63169.6010752009
• The cube root of 3990398500 is 1586.1299150899

Scales and comparisons

• 3,990,398,500 seconds is equal to 126 years, 45 weeks, 6 days, 4 hours, 1 minute, 40 seconds.
• To count from 1 to 3,990,398,500 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 3990398500 cubic inches would be around 132.2 feet tall.

Recreational maths with 3990398500

• 3990398500 backwards is 0058930993
• The number of decimal digits it has is: 10
• The sum of 3990398500's digits is 46
• More coming soon!