163221991472

Names of 163221991472

• Cardinal: 163221991472 can be written as One hundred sixty-three billion, two hundred twenty-one million, nine hundred ninety-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.63221991472 × 10¹¹

Factors of 163221991472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9472

Divisors of 163221991472

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 17 34 61 68 122 136 244 272 488 976 1037 1201 2074 2402 4148 4804 8191 8296 9608 16382 16592 19216 20417 32764 40834 65528 73261 81668 131056 139247 146522 163336 278494 293044 326672 499651 556988 586088 999302 1113976 1172176 1245437 1998604 2227952 2490874 3997208 4981748 7994416 8494067 9837391 9963496 16988134 19674782 19926992 33976268 39349564 67952536 78699128 135905072 157398256 167235647 334471294 600080851 668942588 1200161702 1337885176 2400323404 2675770352 4800646808 9601293616 10201374467 20402748934 40805497868 81610995736 163221991472
• Sum of all divisors σ(n): 340659339264
• Sum of proper divisors (its aliquot sum) s(n): 177437347792
• 163221991472 is an abundant number, because the sum of its proper divisors (177437347792) is greater than itself. Its abundance is 14215356320

Bases of 163221991472

• Binary: 10011000000000110010011111000000110000₂
• Hexadecimal: 0x2600C9F030
• Base-36: 22ZE5QNK

Squares and roots of 163221991472

• 163221991472 squared (163221991472²) is 26641418500085640726784
• 163221991472 cubed (163221991472³) is 4348465383222961481976793929986048
• The square root of 163221991472 is 404007.4151200693
• The cube root of 163221991472 is 5465.0342842987

Scales and comparisons

• 163,221,991,472 seconds is equal to 5,189 years, 49 weeks, 4 days, 10 hours, 4 minutes, 32 seconds.
• To count from 1 to 163,221,991,472 would take you about ten thousand, three hundred seventy-nine 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 163221991472 cubic inches would be around 455.4 feet tall.

Recreational maths with 163221991472

• 163221991472 backwards is 274199122361
• The number of decimal digits it has is: 12
• The sum of 163221991472's digits is 47
• More coming soon!