18716396940

Names of 18716396940

• Cardinal: 18716396940 can be written as Eighteen billion, seven hundred sixteen million, three hundred ninety-six thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.871639694 × 10¹⁰

Factors of 18716396940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 12427

Divisors of 18716396940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 277 279 310 372 465 554 558 620 831 930 1108 1116 1385 1395 1662 1860 2493 2770 2790 3324 4155 4986 5540 5580 8310 8587 9972 12109 12465 16620 17174 24218 24930 25761 34348 36327 42935 48436 49860 51522 60545 72654 77283 85870 103044 108981 121090 128805 145308 154566 171740 181635 217962 242180 257610 309132 363270 375379 386415 435924 515220 544905 726540 750758 772830 1089810 1126137 1501516 1545660 1876895 2179620 2252274 3354193 3378411 3753790 4504548 5630685 6708386 6756822 7507580 10062579 11261370 13416772 13513644 16770965 16892055 20125158 22522740 30187737 33541930 33784110 40250316 50312895 60375474 67083860 67568220 100625790 103979983 120750948 150938685 201251580 207959966 301877370 311939949 415919932 519899915 603754740 623879898 935819847 1039799830 1247759796 1559699745 1871639694 2079599660 3119399490 3743279388 4679099235 6238798980 9358198470 18716396940
• Sum of all divisors σ(n): 58820885760
• Sum of proper divisors (its aliquot sum) s(n): 40104488820
• 18716396940 is an abundant number, because the sum of its proper divisors (40104488820) is greater than itself. Its abundance is 21388091880

Bases of 18716396940

• Binary: 10001011011100101011000110110001100₂
• Hexadecimal: 0x45B958D8C
• Base-36: 8LJ9CB0

Squares and roots of 18716396940

• 18716396940 squared (18716396940²) is 350303514415641363600
• 18716396940 cubed (18716396940³) is 6556419625280155905820467384000
• The square root of 18716396940 is 136807.8833254867
• The cube root of 18716396940 is 2655.0584259435

Scales and comparisons

• 18,716,396,940 seconds is equal to 595 years, 6 weeks, 2 days, 23 hours, 9 minutes.
• To count from 1 to 18,716,396,940 would take you about one thousand, one hundred ninety 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 18716396940 cubic inches would be around 221.3 feet tall.

Recreational maths with 18716396940

• 18716396940 backwards is 04969361781
• The number of decimal digits it has is: 11
• The sum of 18716396940's digits is 54
• More coming soon!