145224946972

Names of 145224946972

• Cardinal: 145224946972 can be written as One hundred forty-five billion, two hundred twenty-four million, nine hundred forty-six thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.45224946972 × 10¹¹

Factors of 145224946972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9762

Divisors of 145224946972

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 14 28 49 79 98 158 196 316 553 1093 1106 2186 2212 3871 4372 7651 7742 8581 15302 15484 17162 30604 34324 53557 60067 86347 107114 120134 172694 214228 240268 345388 420469 604429 677899 840938 1208858 1355798 1681876 2417716 2711596 4231003 4745293 8462006 9379033 9490586 16924012 18758066 18981172 33217051 37516132 65653231 66434102 131306462 132868204 262612924 459572617 740943607 919145234 1481887214 1838290468 2963774428 5186605249 10373210498 20746420996 36306236743 72612473486 145224946972
• Sum of all divisors σ(n): 299687559360
• Sum of proper divisors (its aliquot sum) s(n): 154462612388
• 145224946972 is an abundant number, because the sum of its proper divisors (154462612388) is greater than itself. Its abundance is 9237665416

Bases of 145224946972

• Binary: 10000111010000000101001101010100011100₂
• Hexadecimal: 0x21D014D51C
• Base-36: 1UPR6M8S

Squares and roots of 145224946972

• 145224946972 squared (145224946972²) is 21090285223020211968784
• 145224946972 cubed (145224946972³) is 3062835553137465476850856119322048
• The square root of 145224946972 is 381083.9106706029
• The cube root of 145224946972 is 5256.3032014341

Scales and comparisons

• 145,224,946,972 seconds is equal to 4,617 years, 36 weeks, 4 days, 7 hours, 2 minutes, 52 seconds.
• To count from 1 to 145,224,946,972 would take you about nine thousand, two hundred thirty-five 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 145224946972 cubic inches would be around 438 feet tall.

Recreational maths with 145224946972

• 145224946972 backwards is 279649422541
• The number of decimal digits it has is: 12
• The sum of 145224946972's digits is 55
• More coming soon!