389441581993820

Names of 389441581993820

• Cardinal: 389441581993820 can be written as Three hundred eighty-nine trillion, four hundred forty-one billion, five hundred eighty-one million, nine hundred ninety-three thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 3.8944158199382 × 10¹⁴

Factors of 389441581993820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 123482928

Divisors of 389441581993820

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 20 31 62 124 155 310 620 5087 10174 20348 25435 50870 101740 157697 315394 630788 788485 1576970 3153940 123477803 246955606 493911212 617389015 1234778030 2469556060 3827811893 7655623786 15311247572 19139059465 38278118930 76556237860 628131583861 1256263167722 2512526335444 3140657919305 6281315838610 12562631677220 19472079099691 38944158199382 77888316398764 97360395498455 194720790996910 389441581993820
• Sum of all divisors σ(n): 844374809714688
• Sum of proper divisors (its aliquot sum) s(n): 454933227720868
• 389441581993820 is an abundant number, because the sum of its proper divisors (454933227720868) is greater than itself. Its abundance is 65491645727048

Bases of 389441581993820

• Binary: 1011000100011000111101111001001111100111101011100₂
• Hexadecimal: 0x16231EF27CF5C
• Base-36: 3U1MZQU2QK

Squares and roots of 389441581993820

• 389441581993820 squared (389441581993820²) is 151664745785849226046518192400
• 389441581993820 cubed (389441581993820³) is 59064558531531667676075102223068894370968000
• The square root of 389441581993820 is 19734274.2961027073
• The cube root of 389441581993820 is 73026.5482968205

Scales and comparisons

• 389,441,581,993,820 seconds is equal to 12,383,037 years, 35 weeks, 4 days, 12 hours, 30 minutes, 20 seconds.
• To count from 1 to 389,441,581,993,820 would take you about thirty million, nine hundred fifty-seven thousand, five hundred ninety-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 389441581993820 cubic inches would be around 6085.5 feet tall.

Recreational maths with 389441581993820

• 389441581993820 backwards is 028399185144983
• The number of decimal digits it has is: 15
• The sum of 389441581993820's digits is 74
• More coming soon!