1230709221

Names of 1230709221

• Cardinal: 1230709221 can be written as One billion, two hundred thirty million, seven hundred nine thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.230709221 × 10⁹

Factors of 1230709221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 509

Divisors of 1230709221

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 27 29 61 63 81 87 183 189 203 243 261 409 427 549 567 609 783 1227 1281 1647 1701 1769 1827 2349 2863 3681 3843 4941 5307 5481 7047 8589 11043 11529 11861 12383 14823 15921 16443 24949 25767 33129 34587 35583 37149 47763 49329 74847 77301 83027 99387 103761 106749 111447 143289 174643 224541 231903 249081 320247 334341 429867 523929 673623 695709 723521 747243 960741 1003023 1571787 2020869 2170563 2241729 2882223 3009069 4715361 5064647 6062607 6511689 6725187 14146083 15193941 19535067 20175561 42438249 45581823 58605201 136745469 175815603 410236407 1230709221
• Sum of all divisors σ(n): 2220691200
• Sum of proper divisors (its aliquot sum) s(n): 989981979
• 1230709221 is a deficient number, because the sum of its proper divisors (989981979) is less than itself. Its deficiency is 240727242

Bases of 1230709221

• Binary: 1001001010110110010000111100101₂
• Hexadecimal: 0x495B21E5
• Base-36: KCQDB9

Squares and roots of 1230709221

• 1230709221 squared (1230709221²) is 1514645186654426841
• 1230709221 cubed (1230709221³) is 1864087797758869253688600861
• The square root of 1230709221 is 35081.4654910539
• The cube root of 1230709221 is 1071.6471620063

Scales and comparisons

• 1,230,709,221 seconds is equal to 39 years, 6 weeks, 6 days, 7 hours, 40 minutes, 21 seconds.
• To count from 1 to 1,230,709,221 would take you about seventy-eight 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 1230709221 cubic inches would be around 89.3 feet tall.

Recreational maths with 1230709221

• 1230709221 backwards is 1229070321
• 1230709221 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1230709221's digits is 27
• More coming soon!