19407790640

Names of 19407790640

• Cardinal: 19407790640 can be written as Nineteen billion, four hundred seven million, seven hundred ninety thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.940779064 × 10¹⁰

Factors of 19407790640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 43

Divisors of 19407790640

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 29 35 40 49 56 58 70 80 98 112 116 140 145 196 203 232 245 280 290 343 392 406 464 490 560 580 686 784 812 841 980 1015 1160 1372 1421 1624 1682 1715 1960 2030 2320 2744 2842 3248 3364 3430 3920 4060 4205 5488 5684 5887 6728 6860 7105 8120 8410 9947 11368 11774 13456 13720 14210 16240 16820 19894 22736 23548 24389 27440 28420 29435 33640 39788 41209 47096 48778 49735 56840 58870 67280 79576 82418 94192 97556 99470 113680 117740 121945 159152 164836 170723 195112 198940 206045 235480 243890 288463 329672 341446 390224 397880 412090 470960 487780 576926 659344 682892 707281 795760 824180 853615 975560 1153852 1195061 1365784 1414562 1442315 1648360 1707230 1951120 2307704 2390122 2731568 2829124 2884630 3296720 3414460 3536405 4615408 4780244 4950967 5658248 5769260 5975305 6828920 7072810 8365427 9560488 9901934 11316496 11538520 11950610 13657840 14145620 16730854 19120976 19803868 23077040 23901220 24754835 28291240 33461708 34656769 39607736 41827135 47802440 49509670 56582480 66923416 69313538 79215472 83654270 95604880 99019340 133846832 138627076 167308540 173283845 198038680 242597383 277254152 334617080 346567690 396077360 485194766 554508304 669234160 693135380 970389532 1212986915 1386270760 1940779064 2425973830 2772541520 3881558128 4851947660 9703895320 19407790640
• Sum of all divisors σ(n): 54501050400
• Sum of proper divisors (its aliquot sum) s(n): 35093259760
• 19407790640 is an abundant number, because the sum of its proper divisors (35093259760) is greater than itself. Its abundance is 15685469120

Bases of 19407790640

• Binary: 10010000100110010110110001000110000₂
• Hexadecimal: 0x484CB6230
• Base-36: 8WYWB3K

Squares and roots of 19407790640

• 19407790640 squared (19407790640²) is 376662337526071609600
• 19407790640 cubed (19407790640³) is 7310183788679013340764614144000
• The square root of 19407790640 is 139311.8467324297
• The cube root of 19407790640 is 2687.3570148987

Scales and comparisons

• 19,407,790,640 seconds is equal to 617 years, 5 weeks, 4 days, 4 hours, 57 minutes, 20 seconds.
• To count from 1 to 19,407,790,640 would take you about one thousand, two hundred thirty-four 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 19407790640 cubic inches would be around 223.9 feet tall.

Recreational maths with 19407790640

• 19407790640 backwards is 04609770491
• The number of decimal digits it has is: 11
• The sum of 19407790640's digits is 47
• More coming soon!