21123231102

Names of 21123231102

• Cardinal: 21123231102 can be written as Twenty-one billion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred two.

Scientific notation

• Scientific notation: 2.1123231102 × 10¹⁰

Factors of 21123231102

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 190

Divisors of 21123231102

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 17 18 34 51 67 101 102 134 153 201 202 303 306 402 603 606 909 1139 1206 1717 1818 2278 3417 3434 5151 6767 6834 10201 10251 10302 13534 15453 20301 20402 20502 30603 30906 40602 60903 61206 91809 115039 121806 173417 183618 230078 345117 346834 520251 683467 690234 1030301 1035351 1040502 1366934 1560753 2050401 2060602 2070702 3090903 3121506 4100802 6151203 6181806 9272709 11618939 12302406 17515117 18545418 23237878 34856817 35030234 52545351 69030167 69713634 104570451 105090702 138060334 157636053 207090501 209140902 315272106 414181002 621271503 1173512839 1242543006 2347025678 3520538517 7041077034 10561615551 21123231102
• Sum of all divisors σ(n): 49674272544
• Sum of proper divisors (its aliquot sum) s(n): 28551041442
• 21123231102 is an abundant number, because the sum of its proper divisors (28551041442) is greater than itself. Its abundance is 7427810340

Bases of 21123231102

• Binary: 10011101011000010101110110101111110₂
• Hexadecimal: 0x4EB0AED7E
• Base-36: 9PC85FI

Squares and roots of 21123231102

• 21123231102 squared (21123231102²) is 446190892188500134404
• 21123231102 cubed (21123231102³) is 9424993331305254885773753033208
• The square root of 21123231102 is 145338.3332159827
• The cube root of 21123231102 is 2764.3102461949

Scales and comparisons

• 21,123,231,102 seconds is equal to 671 years, 33 weeks, 6 days, 20 hours, 11 minutes, 42 seconds.
• To count from 1 to 21,123,231,102 would take you about one thousand, three hundred forty-three 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 21123231102 cubic inches would be around 230.4 feet tall.

Recreational maths with 21123231102

• 21123231102 backwards is 20113232112
• 21123231102 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21123231102's digits is 18
• More coming soon!