728141130

Names of 728141130

• Cardinal: 728141130 can be written as Seven hundred twenty-eight million, one hundred forty-one thousand, one hundred thirty.

Scientific notation

• Scientific notation: 7.2814113 × 10⁸

Factors of 728141130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3239

Divisors of 728141130

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 23 27 30 37 45 46 54 69 74 90 111 115 135 138 185 207 222 230 270 333 345 370 414 555 621 666 690 851 999 1035 1110 1242 1665 1702 1998 2070 2553 3105 3169 3330 4255 4995 5106 6210 6338 7659 8510 9507 9990 12765 15318 15845 19014 22977 25530 28521 31690 38295 45954 47535 57042 72887 76590 85563 95070 114885 117253 142605 145774 171126 218661 229770 234506 285210 351759 364435 427815 437322 586265 655983 703518 728870 855630 1055277 1093305 1172530 1311966 1758795 1967949 2110554 2186610 2696819 3165831 3279915 3517590 3935898 5276385 5393638 6331662 6559830 8090457 9839745 10552770 13484095 15829155 16180914 19679490 24271371 26968190 31658310 40452285 48542742 72814113 80904570 121356855 145628226 242713710 364070565 728141130
• Sum of all divisors σ(n): 2081548800
• Sum of proper divisors (its aliquot sum) s(n): 1353407670
• 728141130 is an abundant number, because the sum of its proper divisors (1353407670) is greater than itself. Its abundance is 625266540

Bases of 728141130

• Binary: 101011011001101000110101001010₂
• Hexadecimal: 0x2B668D4A
• Base-36: C1ILAI

Squares and roots of 728141130

• 728141130 squared (728141130²) is 530189505197676900
• 728141130 cubed (728141130³) is 386052785428777331340897000
• The square root of 728141130 is 26984.0903126269
• The cube root of 728141130 is 899.6464166613

Scales and comparisons

• 728,141,130 seconds is equal to 23 years, 7 weeks, 6 days, 13 hours, 25 minutes, 30 seconds.
• To count from 1 to 728,141,130 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 728141130 cubic inches would be around 75 feet tall.

Recreational maths with 728141130

• 728141130 backwards is 031141827
• 728141130 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 728141130's digits is 27
• More coming soon!