3988138700

Names of 3988138700

• Cardinal: 3988138700 can be written as Three billion, nine hundred eighty-eight million, one hundred thirty-eight thousand, seven hundred.

Scientific notation

• Scientific notation: 3.9881387 × 10⁹

Factors of 3988138700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8349

Divisors of 3988138700

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 53 65 70 91 100 106 130 140 175 182 212 260 265 325 350 364 371 455 530 650 689 700 742 910 1060 1300 1325 1378 1484 1820 1855 2275 2650 2756 3445 3710 4550 4823 5300 6890 7420 8269 9100 9275 9646 13780 16538 17225 18550 19292 24115 33076 34450 37100 41345 48230 57883 68900 82690 96460 107497 115766 120575 165380 206725 214994 231532 241150 289415 413450 429988 438257 482300 537485 578830 752479 826900 876514 1074970 1157660 1447075 1504958 1753028 2149940 2191285 2687425 2894150 3009916 3067799 3762395 4382570 5374850 5697341 5788300 6135598 7524790 8765140 10749700 10956425 11394682 12271196 15049580 15338995 18811975 21912850 22789364 28486705 30677990 37623950 39881387 43825700 56973410 61355980 75247900 76694975 79762774 113946820 142433525 153389950 159525548 199406935 284867050 306779900 398813870 569734100 797627740 997034675 1994069350 3988138700
• Sum of all divisors σ(n): 10853680320
• Sum of proper divisors (its aliquot sum) s(n): 6865541620
• 3988138700 is an abundant number, because the sum of its proper divisors (6865541620) is greater than itself. Its abundance is 2877402920

Bases of 3988138700

• Binary: 11101101101101100010101011001100₂
• Hexadecimal: 0xEDB62ACC
• Base-36: 1TYFNIK

Squares and roots of 3988138700

• 3988138700 squared (3988138700²) is 15905250290437690000
• 3988138700 cubed (3988138700³) is 63432344216480791427603000000
• The square root of 3988138700 is 63151.7117741079
• The cube root of 3988138700 is 1585.8304451489

Scales and comparisons

• 3,988,138,700 seconds is equal to 126 years, 42 weeks, 1 day, 18 minutes, 20 seconds.
• To count from 1 to 3,988,138,700 would take you about two hundred fifty-three 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 3988138700 cubic inches would be around 132.2 feet tall.

Recreational maths with 3988138700

• 3988138700 backwards is 0078318893
• The number of decimal digits it has is: 10
• The sum of 3988138700's digits is 47
• More coming soon!