30685716390

Names of 30685716390

• Cardinal: 30685716390 can be written as Thirty billion, six hundred eighty-five million, seven hundred sixteen thousand, three hundred ninety.

Scientific notation

• Scientific notation: 3.068571639 × 10¹⁰

Factors of 30685716390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 60876

Divisors of 30685716390

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 343 490 686 735 1029 1470 1715 2058 2401 3430 4802 5145 7203 10290 12005 14406 16807 24010 33614 36015 50421 60859 72030 84035 100842 121718 168070 182577 252105 304295 365154 426013 504210 608590 852026 912885 1278039 1825770 2130065 2556078 2982091 4260130 5964182 6390195 8946273 12780390 14910455 17892546 20874637 29820910 41749274 44731365 62623911 89462730 104373185 125247822 146122459 208746370 292244918 313119555 438367377 626239110 730612295 876734754 1022857213 1461224590 2045714426 2191836885 3068571639 4383673770 5114286065 6137143278 10228572130 15342858195 30685716390
• Sum of all divisors σ(n): 85920687360
• Sum of proper divisors (its aliquot sum) s(n): 55234970970
• 30685716390 is an abundant number, because the sum of its proper divisors (55234970970) is greater than itself. Its abundance is 24549254580

Bases of 30685716390

• Binary: 11100100101000000101101111110100110₂
• Hexadecimal: 0x72502DFA6
• Base-36: E3HHEAU

Squares and roots of 30685716390

• 30685716390 squared (30685716390²) is 941613190367514632100
• 30685716390 cubed (30685716390³) is 28894075308700633869795790119000
• The square root of 30685716390 is 175173.3895030863
• The cube root of 30685716390 is 3130.7286115913

Scales and comparisons

• 30,685,716,390 seconds is equal to 975 years, 36 weeks, 6 days, 18 hours, 6 minutes, 30 seconds.
• To count from 1 to 30,685,716,390 would take you about one thousand, nine hundred fifty-one 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 30685716390 cubic inches would be around 260.9 feet tall.

Recreational maths with 30685716390

• 30685716390 backwards is 09361758603
• The number of decimal digits it has is: 11
• The sum of 30685716390's digits is 48
• More coming soon!