209122749072

Names of 209122749072

• Cardinal: 209122749072 can be written as Two hundred nine billion, one hundred twenty-two million, seven hundred forty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 2.09122749072 × 10¹¹

Factors of 209122749072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20454179

Divisors of 209122749072

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 71 72 142 144 213 284 426 568 639 852 1136 1278 1704 2556 3408 5112 10224 20454103 40908206 61362309 81816412 122724618 163632824 184086927 245449236 327265648 368173854 490898472 736347708 981796944 1452241313 1472695416 2904482626 2945390832 4356723939 5808965252 8713447878 11617930504 13070171817 17426895756 23235861008 26140343634 34853791512 52280687268 69707583024 104561374536 209122749072
• Sum of all divisors σ(n): 593496281664
• Sum of proper divisors (its aliquot sum) s(n): 384373532592
• 209122749072 is an abundant number, because the sum of its proper divisors (384373532592) is greater than itself. Its abundance is 175250783520

Bases of 209122749072

• Binary: 11000010110000101011111110101010010000₂
• Hexadecimal: 0x30B0AFEA90
• Base-36: 2O2IA9W0

Squares and roots of 209122749072

• 209122749072 squared (209122749072²) is 43732324179430676861184
• 209122749072 cubed (209122749072³) is 9145423855710439741060498208821248
• The square root of 209122749072 is 457299.4085629239
• The cube root of 209122749072 is 5935.6337167703

Scales and comparisons

• 209,122,749,072 seconds is equal to 6,649 years, 23 weeks, 5 days, 4 hours, 31 minutes, 12 seconds.
• To count from 1 to 209,122,749,072 would take you about thirteen thousand, two hundred ninety-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 209122749072 cubic inches would be around 494.6 feet tall.

Recreational maths with 209122749072

• 209122749072 backwards is 270947221902
• The number of decimal digits it has is: 12
• The sum of 209122749072's digits is 45
• More coming soon!