7430985728

Names of 7430985728

• Cardinal: 7430985728 can be written as Seven billion, four hundred thirty million, nine hundred eighty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 7.430985728 × 10⁹

Factors of 7430985728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 44

Divisors of 7430985728

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 19 23 32 38 46 64 76 92 128 152 184 256 304 361 368 437 512 529 608 722 736 874 1024 1058 1216 1444 1472 1748 2048 2116 2432 2888 2944 3496 4232 4864 5776 5888 6859 6992 8303 8464 9728 10051 11552 11776 13718 13984 16606 16928 19456 20102 23104 23552 27436 27968 33212 33856 38912 40204 46208 47104 54872 55936 66424 67712 80408 92416 109744 111872 132848 135424 157757 160816 184832 190969 219488 223744 265696 270848 315514 321632 369664 381938 438976 447488 531392 541696 631028 643264 739328 763876 877952 894976 1062784 1083392 1262056 1286528 1527752 1755904 2125568 2524112 2573056 3055504 3511808 3628411 4251136 5048224 5146112 6111008 7023616 7256822 8502272 10096448 10292224 12222016 14047232 14513644 17004544 20192896 20584448 24444032 29027288 40385792 48888064 58054576 80771584 97776128 116109152 161543168 195552256 232218304 323086336 391104512 464436608 928873216 1857746432 3715492864 7430985728
• Sum of all divisors σ(n): 16395233400
• Sum of proper divisors (its aliquot sum) s(n): 8964247672
• 7430985728 is an abundant number, because the sum of its proper divisors (8964247672) is greater than itself. Its abundance is 1533261944

Bases of 7430985728

• Binary: 110111010111010111101100000000000₂
• Hexadecimal: 0x1BAEBD800
• Base-36: 3EW7TA8

Squares and roots of 7430985728

• 7430985728 squared (7430985728²) is 55219548889739689984
• 7430985728 cubed (7430985728³) is 410335679706253881906248548352
• The square root of 7430985728 is 86203.1654175181
• The cube root of 7430985728 is 1951.4112709907

Scales and comparisons

• 7,430,985,728 seconds is equal to 236 years, 14 weeks, 4 days, 18 hours, 42 minutes, 8 seconds.
• To count from 1 to 7,430,985,728 would take you about four hundred seventy-two 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 7430985728 cubic inches would be around 162.6 feet tall.

Recreational maths with 7430985728

• 7430985728 backwards is 8275890347
• The number of decimal digits it has is: 10
• The sum of 7430985728's digits is 53
• More coming soon!