4390456140

Names of 4390456140

• Cardinal: 4390456140 can be written as Four billion, three hundred ninety million, four hundred fifty-six thousand, one hundred forty.

Scientific notation

• Scientific notation: 4.39045614 × 10⁹

Factors of 4390456140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3484506

Divisors of 4390456140

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 3484489 6968978 10453467 13937956 17422445 20906934 24391423 31360401 34844890 41813868 48782846 52267335 62720802 69689780 73174269 97565692 104534670 121957115 125441604 146348538 156802005 209069340 219522807 243914230 292697076 313604010 365871345 439045614 487828460 627208020 731742690 878091228 1097614035 1463485380 2195228070 4390456140
• Sum of all divisors σ(n): 15220252320
• Sum of proper divisors (its aliquot sum) s(n): 10829796180
• 4390456140 is an abundant number, because the sum of its proper divisors (10829796180) is greater than itself. Its abundance is 6439340040

Bases of 4390456140

• Binary: 100000101101100010000101101001100₂
• Hexadecimal: 0x105B10B4C
• Base-36: 20LYPN0

Squares and roots of 4390456140

• 4390456140 squared (4390456140²) is 19276105117263699600
• 4390456140 cubed (4390456140³) is 84630894067375829907935544000
• The square root of 4390456140 is 66260.5172029317
• The cube root of 4390456140 is 1637.4569127213

Scales and comparisons

• 4,390,456,140 seconds is equal to 139 years, 31 weeks, 2 days, 11 hours, 9 minutes.
• To count from 1 to 4,390,456,140 would take you about two hundred seventy-nine 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 4390456140 cubic inches would be around 136.5 feet tall.

Recreational maths with 4390456140

• 4390456140 backwards is 0416540934
• 4390456140 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 4390456140's digits is 36
• More coming soon!