13198518840

Names of 13198518840

• Cardinal: 13198518840 can be written as Thirteen billion, one hundred ninety-eight million, five hundred eighteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.319851884 × 10¹⁰

Factors of 13198518840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8460612

Divisors of 13198518840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 8460589 16921178 25381767 33842356 42302945 50763534 67684712 84605890 101527068 109987657 126908835 169211780 203054136 219975314 253817670 329962971 338423560 439950628 507635340 549938285 659925942 879901256 1015270680 1099876570 1319851884 1649814855 2199753140 2639703768 3299629710 4399506280 6599259420 13198518840
• Sum of all divisors σ(n): 42641373600
• Sum of proper divisors (its aliquot sum) s(n): 29442854760
• 13198518840 is an abundant number, because the sum of its proper divisors (29442854760) is greater than itself. Its abundance is 16244335920

Bases of 13198518840

• Binary: 1100010010101100010110101000111000₂
• Hexadecimal: 0x312B16A38
• Base-36: 62A22BC

Squares and roots of 13198518840

• 13198518840 squared (13198518840²) is 174200899569834945600
• 13198518840 cubed (13198518840³) is 2299193854917414425191975104000
• The square root of 13198518840 is 114884.8068284053
• The cube root of 13198518840 is 2363.2431018687

Scales and comparisons

• 13,198,518,840 seconds is equal to 419 years, 34 weeks, 6 days, 15 hours, 14 minutes.
• To count from 1 to 13,198,518,840 would take you about eight hundred thirty-nine 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 13198518840 cubic inches would be around 196.9 feet tall.

Recreational maths with 13198518840

• 13198518840 backwards is 04881589131
• The number of decimal digits it has is: 11
• The sum of 13198518840's digits is 48
• More coming soon!