172121629568

Names of 172121629568

• Cardinal: 172121629568 can be written as One hundred seventy-two billion, one hundred twenty-one million, six hundred twenty-nine thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.72121629568 × 10¹¹

Factors of 172121629568

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 586

Divisors of 172121629568

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 577 896 1154 2308 4039 4616 8078 9232 16156 18464 32312 36928 64624 73856 129248 258496 332929 516992 665858 1331716 2330503 2663432 4661006 5326864 9322012 10653728 18644024 21307456 37288048 42614912 74576096 149152192 192100033 298304384 384200066 768400132 1344700231 1536800264 2689400462 3073600528 5378800924 6147201056 10757601848 12294402112 21515203696 24588804224 43030407392 86060814784 172121629568
• Sum of all divisors σ(n): 392564421600
• Sum of proper divisors (its aliquot sum) s(n): 220442792032
• 172121629568 is an abundant number, because the sum of its proper divisors (220442792032) is greater than itself. Its abundance is 48321162464

Bases of 172121629568

• Binary: 10100000010011001111111010001110000000₂
• Hexadecimal: 0x28133FA380
• Base-36: 272KRVCW

Squares and roots of 172121629568

• 172121629568 squared (172121629568²) is 29625855365143811866624
• 172121629568 cubed (172121629568³) is 5099250502794428565154538750738432
• The square root of 172121629568 is 414875.4386174241
• The cube root of 172121629568 is 5562.6083457165

Scales and comparisons

• 172,121,629,568 seconds is equal to 5,472 years, 48 weeks, 4 days, 11 hours, 46 minutes, 8 seconds.
• To count from 1 to 172,121,629,568 would take you about ten thousand, nine hundred forty-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 172121629568 cubic inches would be around 463.6 feet tall.

Recreational maths with 172121629568

• 172121629568 backwards is 865926121271
• The number of decimal digits it has is: 12
• The sum of 172121629568's digits is 50
• More coming soon!