728989056

Names of 728989056

• Cardinal: 728989056 can be written as Seven hundred twenty-eight million, nine hundred eighty-nine thousand and fifty-six.

Scientific notation

• Scientific notation: 7.28989056 × 10⁸

Factors of 728989056

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 322

Divisors of 728989056

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 64 72 93 96 124 128 137 144 149 186 192 248 274 279 288 298 372 384 411 447 496 548 558 576 596 744 822 894 992 1096 1116 1152 1192 1233 1341 1488 1644 1788 1984 2192 2232 2384 2466 2682 2976 3288 3576 3968 4247 4384 4464 4619 4768 4932 5364 5952 6576 7152 8494 8768 8928 9238 9536 9864 10728 11904 12741 13152 13857 14304 16988 17536 17856 18476 19072 19728 20413 21456 25482 26304 27714 28608 33976 35712 36952 38223 39456 40826 41571 42912 50964 52608 55428 57216 61239 67952 73904 76446 78912 81652 83142 85824 101928 110856 122478 135904 147808 152892 157824 163304 166284 171648 183717 203856 221712 244956 271808 295616 305784 326608 332568 367434 407712 443424 489912 543616 591232 611568 632803 653216 665136 734868 815424 886848 979824 1223136 1265606 1306432 1330272 1469736 1630848 1773696 1898409 1959648 2446272 2531212 2612864 2660544 2939472 3796818 3919296 4892544 5062424 5321088 5695227 5878944 7593636 7838592 10124848 11390454 11757888 15187272 20249696 22780908 23515776 30374544 40499392 45561816 60749088 80998784 91123632 121498176 182247264 242996352 364494528 728989056
• Sum of all divisors σ(n): 2195856000
• Sum of proper divisors (its aliquot sum) s(n): 1466866944
• 728989056 is an abundant number, because the sum of its proper divisors (1466866944) is greater than itself. Its abundance is 737877888

Bases of 728989056

• Binary: 101011011100110111110110000000₂
• Hexadecimal: 0x2B737D80
• Base-36: C20RK0

Squares and roots of 728989056

• 728989056 squared (728989056²) is 531425043767771136
• 728989056 cubed (728989056³) is 387403040991026163656687616
• The square root of 728989056 is 26999.7973325727
• The cube root of 728989056 is 899.9954962737

Scales and comparisons

• 728,989,056 seconds is equal to 23 years, 9 weeks, 2 days, 8 hours, 57 minutes, 36 seconds.
• To count from 1 to 728,989,056 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 728989056 cubic inches would be around 75 feet tall.

Recreational maths with 728989056

• 728989056 backwards is 650989827
• The number of decimal digits it has is: 9
• The sum of 728989056's digits is 54
• More coming soon!