1990150071

Names of 1990150071

• Cardinal: 1990150071 can be written as One billion, nine hundred ninety million, one hundred fifty thousand and seventy-one.

Scientific notation

• Scientific notation: 1.990150071 × 10⁹

Factors of 1990150071

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1152

Divisors of 1990150071

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 39 61 91 127 183 273 381 427 793 889 941 1281 1651 2379 2667 2823 4953 5551 6587 7747 11557 12233 16653 19761 23241 34671 36699 54229 57401 85631 100711 119507 162687 172203 256893 302133 358521 401807 704977 746213 836549 1205421 1553591 2114931 2238639 2509647 4660773 5223491 7289927 10875137 15670473 21869781 32625411 51029489 94769051 153088467 284307153 663383357 1990150071
• Sum of all divisors σ(n): 3349118976
• Sum of proper divisors (its aliquot sum) s(n): 1358968905
• 1990150071 is a deficient number, because the sum of its proper divisors (1358968905) is less than itself. Its deficiency is 631181166

Bases of 1990150071

• Binary: 1110110100111110100011110110111₂
• Hexadecimal: 0x769F47B7
• Base-36: WWVTMF

Squares and roots of 1990150071

• 1990150071 squared (1990150071²) is 3960697305101305041
• 1990150071 cubed (1990150071³) is 7882382022956870889538807911
• The square root of 1990150071 is 44611.0980698749
• The cube root of 1990150071 is 1257.8492895669

Scales and comparisons

• 1,990,150,071 seconds is equal to 63 years, 14 weeks, 4 days, 3 hours, 27 minutes, 51 seconds.
• To count from 1 to 1,990,150,071 would take you about one hundred twenty-six 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 1990150071 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990150071

• 1990150071 backwards is 1700510991
• The number of decimal digits it has is: 10
• The sum of 1990150071's digits is 33
• More coming soon!