3998258748

Names of 3998258748

• Cardinal: 3998258748 can be written as Three billion, nine hundred ninety-eight million, two hundred fifty-eight thousand, seven hundred forty-eight.

Scientific notation

• Scientific notation: 3.998258748 × 10⁹

Factors of 3998258748

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12010

Divisors of 3998258748

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 911 1822 2733 3644 5466 8199 10021 10932 11083 16398 20042 22166 30063 32796 33249 40084 44332 60126 66498 90189 99747 120252 121913 132996 180378 199494 243826 360756 365739 398988 487652 731478 1097217 1462956 2194434 4388868 10096613 20193226 30289839 40386452 60579678 90869517 111062743 121159356 181739034 222125486 333188229 363478068 444250972 666376458 999564687 1332752916 1999129374 3998258748
• Sum of all divisors σ(n): 11038599936
• Sum of proper divisors (its aliquot sum) s(n): 7040341188
• 3998258748 is an abundant number, because the sum of its proper divisors (7040341188) is greater than itself. Its abundance is 3042082440

Bases of 3998258748

• Binary: 11101110010100001001011000111100₂
• Hexadecimal: 0xEE50963C
• Base-36: 1U4GK70

Squares and roots of 3998258748

• 3998258748 squared (3998258748²) is 15986073015958527504
• 3998258748 cubed (3998258748³) is 63916456282222926198066604992
• The square root of 3998258748 is 63231.7858991821
• The cube root of 3998258748 is 1587.1706797655

Scales and comparisons

• 3,998,258,748 seconds is equal to 127 years, 6 weeks, 6 days, 3 hours, 25 minutes, 48 seconds.
• To count from 1 to 3,998,258,748 would take you about two hundred fifty-four 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 3998258748 cubic inches would be around 132.3 feet tall.

Recreational maths with 3998258748

• 3998258748 backwards is 8478528993
• The number of decimal digits it has is: 10
• The sum of 3998258748's digits is 63
• More coming soon!