10289870721

Names of 10289870721

• Cardinal: 10289870721 can be written as Ten billion, two hundred eighty-nine million, eight hundred seventy thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.0289870721 × 10¹⁰

Factors of 10289870721

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 33

Divisors of 10289870721

• Number of divisors d(n): 105
• Complete list of divisors:
  1 3 9 13 17 27 39 51 81 117 153 169 221 243 289 351 459 507 663 729 867 1053 1377 1521 1989 2601 2873 3159 3757 4131 4563 4913 5967 7803 8619 9477 11271 12393 13689 14739 17901 23409 25857 33813 41067 44217 48841 53703 63869 70227 77571 83521 101439 123201 132651 146523 161109 191607 210681 232713 250563 304317 397953 439569 574821 698139 751689 830297 912951 1085773 1193859 1318707 1724463 2094417 2255067 2490891 2738853 3257319 3581577 3956121 5173389 6765201 7472673 9771957 11868363 14115049 15520167 20295603 22418019 29315871 35605089 42345147 46560501 60886809 67254057 87947613 127035441 201762171 263842839 381106323 605286513 791528517 1143318969 3429956907 10289870721
• Sum of all divisors σ(n): 17749886079
• Sum of proper divisors (its aliquot sum) s(n): 7460015358
• 10289870721 is a deficient number, because the sum of its proper divisors (7460015358) is less than itself. Its deficiency is 2829855363

Bases of 10289870721

• Binary: 1001100101010100101111011110000001₂
• Hexadecimal: 0x26552F781
• Base-36: 4Q6BN29

Squares and roots of 10289870721

• 10289870721 squared (10289870721²) is 105881439454893059841
• 10289870721 cubed (10289870721³) is 1089506323744238296644006815361
• 10289870721 is a perfect square number. Its square root is 101439
• The cube root of 10289870721 is 2175.0536452881

Scales and comparisons

• 10,289,870,721 seconds is equal to 327 years, 9 weeks, 4 days, 17 hours, 25 minutes, 21 seconds.
• To count from 1 to 10,289,870,721 would take you about six hundred fifty-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 10289870721 cubic inches would be around 181.3 feet tall.

Recreational maths with 10289870721

• 10289870721 backwards is 12707898201
• The number of decimal digits it has is: 11
• The sum of 10289870721's digits is 45
• More coming soon!