1490490261

Names of 1490490261

• Cardinal: 1490490261 can be written as One billion, four hundred ninety million, four hundred ninety thousand, two hundred sixty-one.

Scientific notation

• Scientific notation: 1.490490261 × 10⁹

Factors of 1490490261

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 345

Divisors of 1490490261

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 27 31 39 41 93 117 123 169 257 279 351 369 403 507 533 771 837 1107 1209 1271 1521 1599 2313 3341 3627 3813 4563 4797 5239 6929 6939 7967 10023 10537 10881 11439 14391 15717 16523 20787 23901 30069 31611 34317 43433 47151 49569 62361 71703 90207 94833 103571 130299 136981 141453 148707 187083 214799 215109 284499 310713 326647 390897 410943 446121 644397 932139 979941 1172691 1232829 1346423 1780753 1933191 2796417 2939823 3698487 4039269 4246411 5342259 5799573 8819469 12117807 12739233 16026777 36353421 38217699 48080331 55203343 114653097 165610029 496830087 1490490261
• Sum of all divisors σ(n): 2538224640
• Sum of proper divisors (its aliquot sum) s(n): 1047734379
• 1490490261 is a deficient number, because the sum of its proper divisors (1047734379) is less than itself. Its deficiency is 442755882

Bases of 1490490261

• Binary: 1011000110101110001001110010101₂
• Hexadecimal: 0x58D71395
• Base-36: ONEDN9

Squares and roots of 1490490261

• 1490490261 squared (1490490261²) is 2221561218135848121
• 1490490261 cubed (1490490261³) is 3311215359846778199325649581
• The square root of 1490490261 is 38606.8680547903
• The cube root of 1490490261 is 1142.2900158819

Scales and comparisons

• 1,490,490,261 seconds is equal to 47 years, 20 weeks, 3 days, 1 hour, 4 minutes, 21 seconds.
• To count from 1 to 1,490,490,261 would take you about ninety-four 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 1490490261 cubic inches would be around 95.2 feet tall.

Recreational maths with 1490490261

• 1490490261 backwards is 1620940941
• The number of decimal digits it has is: 10
• The sum of 1490490261's digits is 36
• More coming soon!