12779689920

Names of 12779689920

• Cardinal: 12779689920 can be written as Twelve billion, seven hundred seventy-nine million, six hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.277968992 × 10¹⁰

Factors of 12779689920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 77132

Divisors of 12779689920

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 173 192 240 320 346 480 519 692 865 960 1038 1384 1730 2076 2595 2768 3460 4152 5190 5536 6920 8304 10380 11072 13840 16608 20760 27680 33216 41520 55360 76949 83040 153898 166080 230847 307796 384745 461694 615592 769490 923388 1154235 1231184 1538980 1846776 2308470 2462368 3077960 3693552 4616940 4924736 6155920 7387104 9233880 12311840 13312177 14774208 18467760 24623680 26624354 36935520 39936531 53248708 66560885 73871040 79873062 106497416 133121770 159746124 199682655 212994832 266243540 319492248 399365310 425989664 532487080 638984496 798730620 851979328 1064974160 1277968992 1597461240 2129948320 2555937984 3194922480 4259896640 6389844960 12779689920
• Sum of all divisors σ(n): 40810586400
• Sum of proper divisors (its aliquot sum) s(n): 28030896480
• 12779689920 is an abundant number, because the sum of its proper divisors (28030896480) is greater than itself. Its abundance is 15251206560

Bases of 12779689920

• Binary: 1011111001101110101001011111000000₂
• Hexadecimal: 0x2F9BA97C0
• Base-36: 5VCP3UO

Squares and roots of 12779689920

• 12779689920 squared (12779689920²) is 163320474451349606400
• 12779689920 cubed (12779689920³) is 2087185021075530095306047488000
• The square root of 12779689920 is 113047.2906353797
• The cube root of 12779689920 is 2337.9763057327

Scales and comparisons

• 12,779,689,920 seconds is equal to 406 years, 18 weeks, 3 days, 1 hour, 52 minutes.
• To count from 1 to 12,779,689,920 would take you about eight hundred twelve 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 12779689920 cubic inches would be around 194.8 feet tall.

Recreational maths with 12779689920

• 12779689920 backwards is 02998697721
• 12779689920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12779689920's digits is 60
• More coming soon!