728397150

Names of 728397150

• Cardinal: 728397150 can be written as Seven hundred twenty-eight million, three hundred ninety-seven thousand, one hundred fifty.

Scientific notation

• Scientific notation: 7.2839715 × 10⁸

Factors of 728397150

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3621

Divisors of 728397150

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 107 130 150 195 214 321 325 390 535 642 650 975 1070 1391 1605 1950 2675 2782 3210 3491 4173 5350 6955 6982 8025 8346 10473 13910 16050 17455 20865 20946 34775 34910 41730 45383 52365 69550 87275 90766 104325 104730 136149 174550 208650 226915 261825 272298 373537 453830 523650 680745 747074 1120611 1134575 1361490 1867685 2241222 2269150 3403725 3735370 4855981 5603055 6807450 9338425 9711962 11206110 14567943 18676850 24279905 28015275 29135886 48559810 56030550 72839715 121399525 145679430 242799050 364198575 728397150
• Sum of all divisors σ(n): 1964124288
• Sum of proper divisors (its aliquot sum) s(n): 1235727138
• 728397150 is an abundant number, because the sum of its proper divisors (1235727138) is greater than itself. Its abundance is 507329988

Bases of 728397150

• Binary: 101011011010100111010101011110₂
• Hexadecimal: 0x2B6A755E
• Base-36: C1O2U6

Squares and roots of 728397150

• 728397150 squared (728397150²) is 530562408128122500
• 728397150 cubed (728397150³) is 386460145977661263850875000
• The square root of 728397150 is 26988.8338021487
• The cube root of 728397150 is 899.7518451633

Scales and comparisons

• 728,397,150 seconds is equal to 23 years, 8 weeks, 2 days, 12 hours, 32 minutes, 30 seconds.
• To count from 1 to 728,397,150 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 728397150 cubic inches would be around 75 feet tall.

Recreational maths with 728397150

• 728397150 backwards is 051793827
• The number of decimal digits it has is: 9
• The sum of 728397150's digits is 42
• More coming soon!