2100315420

Names of 2100315420

• Cardinal: 2100315420 can be written as Two billion, one hundred million, three hundred fifteen thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.10031542 × 10⁹

Factors of 2100315420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 26476

Divisors of 2100315420

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 54 60 63 70 81 84 90 98 105 108 126 135 140 147 162 180 189 196 210 245 252 270 294 315 324 378 405 420 441 490 540 567 588 630 735 756 810 882 945 980 1134 1260 1323 1470 1620 1764 1890 2205 2268 2646 2835 2940 3780 3969 4410 5292 5670 6615 7938 8820 11340 13230 15876 19845 26459 26460 39690 52918 79377 79380 105836 132295 158754 185213 238131 264590 317508 370426 396885 476262 529180 555639 714393 740852 793770 926065 952524 1111278 1190655 1296491 1428786 1587540 1666917 1852130 2143179 2222556 2381310 2592982 2778195 2857572 3333834 3571965 3704260 3889473 4286358 4762620 5000751 5185964 5556390 6482455 6667668 7143930 7778946 8334585 8572716 10001502 10715895 11112780 11668419 12964910 14287860 15002253 15557892 16669170 19447365 20003004 21431790 23336838 25003755 25929820 30004506 33338340 35005257 38894730 42863580 46673676 50007510 58342095 60009012 70010514 75011265 77789460 100015020 105015771 116684190 140021028 150022530 175026285 210031542 233368380 300045060 350052570 420063084 525078855 700105140 1050157710 2100315420
• Sum of all divisors σ(n): 7664774040
• Sum of proper divisors (its aliquot sum) s(n): 5564458620
• 2100315420 is an abundant number, because the sum of its proper divisors (5564458620) is greater than itself. Its abundance is 3464143200

Bases of 2100315420

• Binary: 1111101001100000100010100011100₂
• Hexadecimal: 0x7D30451C
• Base-36: YQH1R0

Squares and roots of 2100315420

• 2100315420 squared (2100315420²) is 4411324863489776400
• 2100315420 cubed (2100315420³) is 9265173633416972385272088000
• The square root of 2100315420 is 45829.1983346861
• The cube root of 2100315420 is 1280.6432761079

Scales and comparisons

• 2,100,315,420 seconds is equal to 66 years, 40 weeks, 5 days, 4 hours, 57 minutes.
• To count from 1 to 2,100,315,420 would take you about one hundred thirty-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 2100315420 cubic inches would be around 106.7 feet tall.

Recreational maths with 2100315420

• 2100315420 backwards is 0245130012
• 2100315420 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2100315420's digits is 18
• More coming soon!