30321121280

Names of 30321121280

• Cardinal: 30321121280 can be written as Thirty billion, three hundred twenty-one million, one hundred twenty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 3.032112128 × 10¹⁰

Factors of 30321121280

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 305

Divisors of 30321121280

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 47 64 80 94 128 160 188 235 251 256 320 376 470 502 512 640 752 940 1004 1024 1255 1280 1504 1880 2008 2048 2510 2560 3008 3760 4016 5020 5120 6016 7520 8032 10040 10240 11797 12032 15040 16064 20080 23594 24064 30080 32128 40160 47188 48128 58985 60160 63001 64256 80320 94376 96256 117970 120320 126002 128512 160640 188752 235940 240640 252004 257024 315005 321280 377504 471880 481280 504008 514048 630010 642560 755008 943760 1008016 1260020 1285120 1510016 1887520 2016032 2520040 2570240 2961047 3020032 3775040 4032064 5040080 5922094 6040064 7550080 8064128 10080160 11844188 12080128 14805235 15100160 16128256 20160320 23688376 24160256 29610470 30200320 32256512 40320640 47376752 59220940 60400640 64513024 80641280 94753504 118441880 120801280 129026048 161282560 189507008 236883760 322565120 379014016 473767520 645130240 758028032 947535040 1516056064 1895070080 3032112128 3790140160 6064224256 7580280320 15160560640 30321121280
• Sum of all divisors σ(n): 74598058080
• Sum of proper divisors (its aliquot sum) s(n): 44276936800
• 30321121280 is an abundant number, because the sum of its proper divisors (44276936800) is greater than itself. Its abundance is 13955815520

Bases of 30321121280

• Binary: 11100001111010001111001100000000000₂
• Hexadecimal: 0x70F479800
• Base-36: DXGEUWW

Squares and roots of 30321121280

• 30321121280 squared (30321121280²) is 919370395676468838400
• 30321121280 cubed (30321121280³) is 27876341268547799291267121152000
• The square root of 30321121280 is 174129.6105778683
• The cube root of 30321121280 is 3118.2798319723

Scales and comparisons

• 30,321,121,280 seconds is equal to 964 years, 6 weeks, 21 hours, 41 minutes, 20 seconds.
• To count from 1 to 30,321,121,280 would take you about one thousand, nine hundred twenty-eight 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 30321121280 cubic inches would be around 259.9 feet tall.

Recreational maths with 30321121280

• 30321121280 backwards is 08212112303
• The number of decimal digits it has is: 11
• The sum of 30321121280's digits is 23
• More coming soon!