4994981649

Names of 4994981649

• Cardinal: 4994981649 can be written as Four billion, nine hundred ninety-four million, nine hundred eighty-one thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 4.994981649 × 10⁹

Factors of 4994981649

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2161

Divisors of 4994981649

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 19 21 49 57 63 133 147 171 331 399 441 931 993 1197 1801 2317 2793 2979 5403 6289 6951 8379 12607 16209 16219 18867 20853 34219 37821 44023 48657 56601 88249 102657 113463 132069 145971 239533 264747 307971 308161 396207 596131 718599 794241 924483 1676731 1788393 2155797 2773449 4172917 5030193 5365179 11326489 12518751 15090579 29210419 33979467 37556253 79285423 87631257 101938401 237856269 262893771 554997961 713568807 1664993883 4994981649
• Sum of all divisors σ(n): 8866272480
• Sum of proper divisors (its aliquot sum) s(n): 3871290831
• 4994981649 is a deficient number, because the sum of its proper divisors (3871290831) is less than itself. Its deficiency is 1123690818

Bases of 4994981649

• Binary: 100101001101110010101111100010001₂
• Hexadecimal: 0x129B95F11
• Base-36: 2ALVSI9

Squares and roots of 4994981649

• 4994981649 squared (4994981649²) is 24949841673846759201
• 4994981649 cubed (4994981649³) is 124624001306320005447116902449
• The square root of 4994981649 is 70675.1841101245
• The cube root of 4994981649 is 1709.4036712087

Scales and comparisons

• 4,994,981,649 seconds is equal to 158 years, 42 weeks, 6 days, 6 hours, 54 minutes, 9 seconds.
• To count from 1 to 4,994,981,649 would take you about three hundred seventeen 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 4994981649 cubic inches would be around 142.5 feet tall.

Recreational maths with 4994981649

• 4994981649 backwards is 9461894994
• 4994981649 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 4994981649's digits is 63
• More coming soon!