172161321804

Names of 172161321804

• Cardinal: 172161321804 can be written as One hundred seventy-two billion, one hundred sixty-one million, three hundred twenty-one thousand, eight hundred four.

Scientific notation

• Scientific notation: 1.72161321804 × 10¹¹

Factors of 172161321804

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 619

Divisors of 172161321804

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 108 151 302 453 463 604 906 926 1359 1389 1812 1852 2718 2778 4077 4167 5436 5556 8154 8334 12501 16308 16668 22801 25002 45602 50004 68403 69913 91204 136806 139826 205209 209739 273612 279652 410418 419478 615627 629217 820836 838956 1231254 1258434 1887651 2462508 2516868 3442951 3775302 6885902 7550604 10328853 10556863 13771804 20657706 21113726 30986559 31670589 41315412 42227452 61973118 63341178 92959677 95011767 123946236 126682356 185919354 190023534 285035301 371838708 380047068 570070602 1140141204 1594086313 3188172626 4782258939 6376345252 9564517878 14346776817 19129035756 28693553634 43040330451 57387107268 86080660902 172161321804
• Sum of all divisors σ(n): 450290247680
• Sum of proper divisors (its aliquot sum) s(n): 278128925876
• 172161321804 is an abundant number, because the sum of its proper divisors (278128925876) is greater than itself. Its abundance is 105967604072

Bases of 172161321804

• Binary: 10100000010101100111010100101101001100₂
• Hexadecimal: 0x28159D4B4C
• Base-36: 2738EM30

Squares and roots of 172161321804

• 172161321804 squared (172161321804²) is 29639520725300445814416
• 172161321804 cubed (172161321804³) is 5102779065704777536440337838326464
• The square root of 172161321804 is 414923.2721889675
• The cube root of 172161321804 is 5563.0359026597

Scales and comparisons

• 172,161,321,804 seconds is equal to 5,474 years, 10 weeks, 1 day, 21 hours, 23 minutes, 24 seconds.
• To count from 1 to 172,161,321,804 would take you about ten thousand, nine hundred forty-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 172161321804 cubic inches would be around 463.6 feet tall.

Recreational maths with 172161321804

• 172161321804 backwards is 408123161271
• 172161321804 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 172161321804's digits is 36
• More coming soon!