1145272401

Names of 1145272401

• Cardinal: 1145272401 can be written as One billion, one hundred forty-five million, two hundred seventy-two thousand, four hundred one.

Scientific notation

• Scientific notation: 1.145272401 × 10⁹

Factors of 1145272401

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 704

Divisors of 1145272401

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 21 31 39 63 79 91 93 117 217 237 273 279 403 553 571 651 711 819 1027 1209 1659 1713 1953 2449 2821 3081 3627 3997 4977 5139 7189 7347 7423 8463 9243 11991 17143 17701 21567 22041 22269 25389 31837 35973 45109 51429 51961 53103 64701 66807 95511 123907 135327 154287 155883 159309 222859 230113 286533 315763 371721 405981 467649 586417 668577 690339 947289 1115163 1398379 1610791 1759251 2005731 2071017 2841867 4104919 4195137 4832373 5277753 9788653 12314757 12585411 14497119 18178927 29365959 36944271 54536781 88097877 127252489 163610343 381757467 1145272401
• Sum of all divisors σ(n): 2132049920
• Sum of proper divisors (its aliquot sum) s(n): 986777519
• 1145272401 is a deficient number, because the sum of its proper divisors (986777519) is less than itself. Its deficiency is 158494882

Bases of 1145272401

• Binary: 1000100010000110111100001010001₂
• Hexadecimal: 0x44437851
• Base-36: IXV5U9

Squares and roots of 1145272401

• 1145272401 squared (1145272401²) is 1311648872492304801
• 1145272401 cubed (1145272401³) is 1502195253468204773465097201
• The square root of 1145272401 is 33841.8734853731
• The cube root of 1145272401 is 1046.2519129131

Scales and comparisons

• 1,145,272,401 seconds is equal to 36 years, 21 weeks, 4 days, 11 hours, 13 minutes, 21 seconds.
• To count from 1 to 1,145,272,401 would take you about seventy-two 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 1145272401 cubic inches would be around 87.2 feet tall.

Recreational maths with 1145272401

• 1145272401 backwards is 1042725411
• The number of decimal digits it has is: 10
• The sum of 1145272401's digits is 27
• More coming soon!