42721304730

Names of 42721304730

• Cardinal: 42721304730 can be written as Forty-two billion, seven hundred twenty-one million, three hundred four thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 4.272130473 × 10¹⁰

Factors of 42721304730

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2036

Divisors of 42721304730

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 65 78 130 131 195 262 390 393 655 719 786 1163 1310 1438 1703 1965 2157 2326 3406 3489 3595 3930 4314 5109 5815 6978 7190 8515 9347 10218 10785 11630 15119 17030 17445 18694 21570 25545 28041 30238 34890 45357 46735 51090 56082 75595 90714 93470 94189 140205 151190 152353 188378 226785 280410 282567 304706 453570 457059 470945 565134 761765 836197 914118 941890 1224457 1412835 1523530 1672394 1980589 2285295 2448914 2508591 2825670 3673371 3961178 4180985 4570590 5017182 5941767 6122285 7346742 8361970 9902945 10870561 11883534 12244570 12542955 18366855 19805890 21741122 25085910 29708835 32611683 36733710 54352805 59417670 65223366 108705610 109541807 163058415 219083614 326116830 328625421 547709035 657250842 1095418070 1424043491 1643127105 2848086982 3286254210 4272130473 7120217455 8544260946 14240434910 21360652365 42721304730
• Sum of all divisors σ(n): 111511572480
• Sum of proper divisors (its aliquot sum) s(n): 68790267750
• 42721304730 is an abundant number, because the sum of its proper divisors (68790267750) is greater than itself. Its abundance is 26068963020

Bases of 42721304730

• Binary: 100111110010011000110110000010011010₂
• Hexadecimal: 0x9F263609A
• Base-36: JMJ5TP6

Squares and roots of 42721304730

• 42721304730 squared (42721304730²) is 1825109877833520372900
• 42721304730 cubed (42721304730³) is 77971075256658896059324133817000
• The square root of 42721304730 is 206691.3271765415
• The cube root of 42721304730 is 3495.8128084733

Scales and comparisons

• 42,721,304,730 seconds is equal to 1,358 years, 21 weeks, 13 hours, 5 minutes, 30 seconds.
• To count from 1 to 42,721,304,730 would take you about two thousand, seven hundred sixteen 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 42721304730 cubic inches would be around 291.3 feet tall.

Recreational maths with 42721304730

• 42721304730 backwards is 03740312724
• The number of decimal digits it has is: 11
• The sum of 42721304730's digits is 33
• More coming soon!