729028140

Names of 729028140

• Cardinal: 729028140 can be written as Seven hundred twenty-nine million, twenty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 7.2902814 × 10⁸

Factors of 729028140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8400

Divisors of 729028140

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 1861 3722 5583 6529 7444 9305 11166 13058 18610 19587 22332 26116 27915 32645 37220 39174 55830 65290 78348 97935 111660 130580 195870 391740 12150469 24300938 36451407 48601876 60752345 72902814 121504690 145805628 182257035 243009380 364514070 729028140
• Sum of all divisors σ(n): 2042688480
• Sum of proper divisors (its aliquot sum) s(n): 1313660340
• 729028140 is an abundant number, because the sum of its proper divisors (1313660340) is greater than itself. Its abundance is 584632200

Bases of 729028140

• Binary: 101011011101000001011000101100₂
• Hexadecimal: 0x2B74162C
• Base-36: C21LPO

Squares and roots of 729028140

• 729028140 squared (729028140²) is 531482028911859600
• 729028140 cubed (729028140³) is 387465354981039228129144000
• The square root of 729028140 is 27000.5211060823
• The cube root of 729028140 is 900.0115800979

Scales and comparisons

• 729,028,140 seconds is equal to 23 years, 9 weeks, 2 days, 19 hours, 49 minutes.
• To count from 1 to 729,028,140 would take you about thirty-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 729028140 cubic inches would be around 75 feet tall.

Recreational maths with 729028140

• 729028140 backwards is 041820927
• The number of decimal digits it has is: 9
• The sum of 729028140's digits is 33
• More coming soon!