1997688329

Names of 1997688329

• Cardinal: 1997688329 can be written as One billion, nine hundred ninety-seven million, six hundred eighty-eight thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 1.997688329 × 10⁹

Factors of 1997688329

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 178

Divisors of 1997688329

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 19 31 47 61 91 133 169 217 247 329 403 427 589 611 793 893 1159 1183 1457 1729 1891 2821 2867 3211 4123 4277 5239 5551 6251 7657 7943 8113 10199 10309 11609 13237 15067 18941 20069 22477 24583 27683 35929 36673 37271 53599 54473 55601 72163 81263 88877 99541 105469 132587 150917 172081 193781 195871 246233 251503 260897 319579 359879 381311 467077 484523 622139 696787 708149 1056419 1155401 1371097 1688663 1723631 2237053 2519153 3269539 3391661 4678427 4957043 6072001 8087807 9205937 11820641 15020213 21952619 32748989 42504007 64441559 105141491 153668333 285384047 1997688329
• Sum of all divisors σ(n): 2788392960
• Sum of proper divisors (its aliquot sum) s(n): 790704631
• 1997688329 is a deficient number, because the sum of its proper divisors (790704631) is less than itself. Its deficiency is 1206983698

Bases of 1997688329

• Binary: 1110111000100100100111000001001₂
• Hexadecimal: 0x77124E09
• Base-36: X1DE6H

Squares and roots of 1997688329

• 1997688329 squared (1997688329²) is 3990758659822812241
• 1997688329 cubed (1997688329³) is 7972291998583713221804035289
• The square root of 1997688329 is 44695.5068099691
• The cube root of 1997688329 is 1259.4354422603

Scales and comparisons

• 1,997,688,329 seconds is equal to 63 years, 27 weeks, 9 hours, 25 minutes, 29 seconds.
• To count from 1 to 1,997,688,329 would take you about one hundred twenty-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 1997688329 cubic inches would be around 105 feet tall.

Recreational maths with 1997688329

• 1997688329 backwards is 9238867991
• The number of decimal digits it has is: 10
• The sum of 1997688329's digits is 62
• More coming soon!