2140765720

Names of 2140765720

• Cardinal: 2140765720 can be written as Two billion, one hundred forty million, seven hundred sixty-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.14076572 × 10⁹

Factors of 2140765720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 844

Divisors of 2140765720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 19 20 38 40 61 76 95 122 152 190 244 305 380 488 610 757 760 1159 1220 1514 2318 2440 3028 3721 3785 4636 5795 6056 7442 7570 9272 11590 14383 14884 15140 18605 23180 28766 29768 30280 37210 46177 46360 57532 70699 71915 74420 92354 115064 141398 143830 148840 184708 230885 282796 287660 353495 369416 461770 565592 575320 706990 877363 923540 1413980 1754726 1847080 2816797 2827960 3509452 4386815 5633594 7018904 8773630 11267188 14083985 17547260 22534376 28167970 35094520 53519143 56335940 107038286 112671880 214076572 267595715 428153144 535191430 1070382860 2140765720
• Sum of all divisors σ(n): 5161525200
• Sum of proper divisors (its aliquot sum) s(n): 3020759480
• 2140765720 is an abundant number, because the sum of its proper divisors (3020759480) is greater than itself. Its abundance is 879993760

Bases of 2140765720

• Binary: 1111111100110010111111000011000₂
• Hexadecimal: 0x7F997E18
• Base-36: ZEK1EG

Squares and roots of 2140765720

• 2140765720 squared (2140765720²) is 4582877867927118400
• 2140765720 cubed (2140765720³) is 9810867838605062529101248000
• The square root of 2140765720 is 46268.4095252905
• The cube root of 2140765720 is 1288.8124238669

Scales and comparisons

• 2,140,765,720 seconds is equal to 68 years, 3 weeks, 4 days, 9 hours, 8 minutes, 40 seconds.
• To count from 1 to 2,140,765,720 would take you about one hundred thirty-six 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 2140765720 cubic inches would be around 107.4 feet tall.

Recreational maths with 2140765720

• 2140765720 backwards is 0275670412
• The number of decimal digits it has is: 10
• The sum of 2140765720's digits is 34
• More coming soon!