30421995840

Names of 30421995840

• Cardinal: 30421995840 can be written as Thirty billion, four hundred twenty-one million, nine hundred ninety-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.042199584 × 10¹⁰

Factors of 30421995840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 10563203

Divisors of 30421995840

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 10563193 21126386 31689579 42252772 52815965 63379158 84505544 95068737 105631930 126758316 158447895 169011088 190137474 211263860 253516632 316895790 338022176 380274948 422527720 475343685 507033264 633791580 676044352 760549896 845055440 950687370 1014066528 1267583160 1521099792 1690110880 1901374740 2028133056 2535166320 3042199584 3380221760 3802749480 5070332640 6084399168 7605498960 10140665280 15210997920 30421995840
• Sum of all divisors σ(n): 104638999764
• Sum of proper divisors (its aliquot sum) s(n): 74217003924
• 30421995840 is an abundant number, because the sum of its proper divisors (74217003924) is greater than itself. Its abundance is 43795008084

Bases of 30421995840

• Binary: 11100010101010010101101000101000000₂
• Hexadecimal: 0x7154AD140
• Base-36: DZ4GY80

Squares and roots of 30421995840

• 30421995840 squared (30421995840²) is 925497830888977305600
• 30421995840 cubed (30421995840³) is 28155491161233491092817608704000
• The square root of 30421995840 is 174419.0237330779
• The cube root of 30421995840 is 3121.7340459285

Scales and comparisons

• 30,421,995,840 seconds is equal to 967 years, 16 weeks, 6 days, 10 hours, 24 minutes.
• To count from 1 to 30,421,995,840 would take you about one thousand, nine 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 30421995840 cubic inches would be around 260.1 feet tall.

Recreational maths with 30421995840

• 30421995840 backwards is 04859912403
• 30421995840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30421995840's digits is 45
• More coming soon!