1425779901

Names of 1425779901

• Cardinal: 1425779901 can be written as One billion, four hundred twenty-five million, seven hundred seventy-nine thousand, nine hundred one.

Scientific notation

• Scientific notation: 1.425779901 × 10⁹

Factors of 1425779901

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 235

Divisors of 1425779901

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 61 63 81 91 117 147 151 183 189 243 273 351 427 441 453 549 567 637 793 819 1053 1057 1281 1323 1359 1647 1701 1911 1963 2379 2457 2989 3159 3171 3843 3969 4077 4941 5551 5733 5889 7137 7371 7399 8967 9211 9513 11529 11907 12231 13741 14823 16653 17199 17667 21411 22113 22197 26901 27633 28539 34587 36693 38857 41223 49959 51597 53001 64233 64477 66591 80703 82899 85617 96187 103761 116571 119743 123669 149877 154791 159003 192699 193431 199773 242109 248697 256851 288561 349713 359229 371007 449631 451339 477009 580293 599319 726327 746091 838201 865683 1049139 1077687 1113021 1348893 1354017 1740879 1797957 2238273 2514603 2597049 3147417 3233061 3339063 4062051 5222637 5867407 7543809 7791147 9442251 9699183 12186153 15667911 17602221 22631427 23373441 29097549 36558459 52806663 67894281 109675377 158419989 203682843 475259967 1425779901
• Sum of all divisors σ(n): 2737408128
• Sum of proper divisors (its aliquot sum) s(n): 1311628227
• 1425779901 is a deficient number, because the sum of its proper divisors (1311628227) is less than itself. Its deficiency is 114151674

Bases of 1425779901

• Binary: 1010100111110111010110010111101₂
• Hexadecimal: 0x54FBACBD
• Base-36: NKVET9

Squares and roots of 1425779901

• 1425779901 squared (1425779901²) is 2032848326095569801
• 1425779901 cubed (1425779901³) is 2898394285128557227408369701
• The square root of 1425779901 is 37759.5008044333
• The cube root of 1425779901 is 1125.5138132939

Scales and comparisons

• 1,425,779,901 seconds is equal to 45 years, 17 weeks, 3 days, 1 hour, 58 minutes, 21 seconds.
• To count from 1 to 1,425,779,901 would take you about ninety 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 1425779901 cubic inches would be around 93.8 feet tall.

Recreational maths with 1425779901

• 1425779901 backwards is 1099775241
• The number of decimal digits it has is: 10
• The sum of 1425779901's digits is 45
• More coming soon!