1213406649

Names of 1213406649

• Cardinal: 1213406649 can be written as One billion, two hundred thirteen million, four hundred six thousand, six hundred forty-nine.

Scientific notation

• Scientific notation: 1.213406649 × 10⁹

Factors of 1213406649

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 90

Divisors of 1213406649

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 67 81 91 117 147 169 189 201 243 273 351 441 469 507 567 603 637 729 819 871 1053 1183 1323 1407 1521 1701 1809 1911 2187 2457 2613 3159 3283 3549 3969 4221 4563 5103 5427 5733 6097 7371 7839 8281 9477 9849 10647 11323 11907 12663 13689 15309 16281 17199 18291 22113 23517 24843 28431 29547 31941 33969 35721 37989 41067 42679 48843 51597 54873 66339 70551 74529 79261 88641 95823 101907 107163 113967 123201 128037 146529 154791 164619 199017 211653 223587 237783 265923 287469 305721 341901 369603 384111 464373 493857 554827 634959 670761 713349 797769 862407 917163 1025703 1152333 1393119 1481571 1664481 1904877 2012283 2140047 2393307 2587221 2751489 3456999 4444713 4993443 6036849 6420141 7179921 8254467 10370997 13334139 14980329 18110547 19260423 24763401 31112991 44940987 57781269 93338973 134822961 173343807 404468883 1213406649
• Sum of all divisors σ(n): 2326530240
• Sum of proper divisors (its aliquot sum) s(n): 1113123591
• 1213406649 is a deficient number, because the sum of its proper divisors (1113123591) is less than itself. Its deficiency is 100283058

Bases of 1213406649

• Binary: 1001000010100110001110110111001₂
• Hexadecimal: 0x48531DB9
• Base-36: K2FIK9

Squares and roots of 1213406649

• 1213406649 squared (1213406649²) is 1472355695837409201
• 1213406649 cubed (1213406649³) is 1786566191022133947427177449
• The square root of 1213406649 is 34833.9869811079
• The cube root of 1213406649 is 1066.6013363091

Scales and comparisons

• 1,213,406,649 seconds is equal to 38 years, 30 weeks, 2 days, 1 hour, 24 minutes, 9 seconds.
• To count from 1 to 1,213,406,649 would take you about seventy-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 1213406649 cubic inches would be around 88.9 feet tall.

Recreational maths with 1213406649

• 1213406649 backwards is 9466043121
• The number of decimal digits it has is: 10
• The sum of 1213406649's digits is 36
• More coming soon!