389157272792561

Names of 389157272792561

• Cardinal: 389157272792561 can be written as Three hundred eighty-nine trillion, one hundred fifty-seven billion, two hundred seventy-two million, seven hundred ninety-two thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 3.89157272792561 × 10¹⁴

Factors of 389157272792561

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 800

Divisors of 389157272792561

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 71 91 169 497 709 923 1183 2197 4963 6461 9217 11999 15379 50339 64519 83993 119821 155987 352373 502681 654407 838747 1091909 1557673 3518767 4580849 6534853 8507291 10903711 35690351 45743971 59551037 84953089 110594783 249832457 356400829 463974563 594671623 774163481 1104390157 2494805803 3247821941 4633210777 6031669319 7730731099 25304458859 32432475439 42221685233 60231740101 78411701147 177131212013 328957965167 421622180707 548881908029 783012621313 2302705756169 4276453547171 5481088349191 29935174830197 55593896113223 389157272792561
• Sum of all divisors σ(n): 489272857113600
• Sum of proper divisors (its aliquot sum) s(n): 100115584321039
• 389157272792561 is a deficient number, because the sum of its proper divisors (100115584321039) is less than itself. Its deficiency is 289041688471522

Bases of 389157272792561

• Binary: 1011000011110111110111101000000011010110111110001₂
• Hexadecimal: 0x161EFBD01ADF1
• Base-36: 3TY0DSH71T

Squares and roots of 389157272792561

• 389157272792561 squared (389157272792561²) is 151443382967343737935336938721
• 389157272792561 cubed (389157272792561³) is 58935293898050873189179555755264108601654481
• The square root of 389157272792561 is 19727069.5439682831
• The cube root of 389157272792561 is 73008.7731241607

Scales and comparisons

• 389,157,272,792,561 seconds is equal to 12,373,997 years, 27 weeks, 4 days, 18 hours, 22 minutes, 41 seconds.
• To count from 1 to 389,157,272,792,561 would take you about thirty million, nine hundred thirty-four thousand, nine hundred ninety-three 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 389157272792561 cubic inches would be around 6084.1 feet tall.

Recreational maths with 389157272792561

• 389157272792561 backwards is 165297272751983
• The number of decimal digits it has is: 15
• The sum of 389157272792561's digits is 74
• More coming soon!