489940156321

Names of 489940156321

• Cardinal: 489940156321 can be written as Four hundred eighty-nine billion, nine hundred forty million, one hundred fifty-six thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 4.89940156321 × 10¹¹

Factors of 489940156321

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 78909

Divisors of 489940156321

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 11 23 29 77 121 161 203 253 319 667 847 1331 1771 2233 2783 3509 4669 7337 9317 19481 24563 30613 38599 51359 78839 80707 214291 270193 551873 564949 867229 887777 1813297 2286331 6070603 6214439 9539519 12693079 16004317 19946267 25149641 52585613 66776633 104934709 139623869 176047487 219408937 276646051 368099291 578441743 734542963 1535862559 1936522357 2413498307 3043106561 4049092201 6362859173 16894488149 21301745927 44540014211 69991450903 489940156321
• Sum of all divisors σ(n): 664829337600
• Sum of proper divisors (its aliquot sum) s(n): 174889181279
• 489940156321 is a deficient number, because the sum of its proper divisors (174889181279) is less than itself. Its deficiency is 315050975042

Bases of 489940156321

• Binary: 111001000010010101101010111111110100001₂
• Hexadecimal: 0x7212B57FA1
• Base-36: 692PPW2P

Squares and roots of 489940156321

• 489940156321 squared (489940156321²) is 240041356775845916255041
• 489940156321 cubed (489940156321³) is 117605899862262880767004262444264161
• The square root of 489940156321 is 699957.2532097943
• The cube root of 489940156321 is 7883.4142032927

Scales and comparisons

• 489,940,156,321 seconds is equal to 15,578 years, 30 weeks, 1 day, 15 hours, 52 minutes, 1 second.
• To count from 1 to 489,940,156,321 would take you about thirty-one thousand, one hundred fifty-seven 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 489940156321 cubic inches would be around 657 feet tall.

Recreational maths with 489940156321

• 489940156321 backwards is 123651049984
• The number of decimal digits it has is: 12
• The sum of 489940156321's digits is 52
• More coming soon!