172940490

Names of 172940490

• Cardinal: 172940490 can be written as One hundred seventy-two million, nine hundred forty thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.7294049 × 10⁸

Factors of 172940490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 197

Divisors of 172940490

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 30 34 45 51 61 85 90 102 109 122 153 170 183 218 255 289 305 306 327 366 510 545 549 578 610 654 765 867 915 981 1037 1090 1098 1445 1530 1635 1734 1830 1853 1962 2074 2601 2745 2890 3111 3270 3706 4335 4905 5185 5202 5490 5559 6222 6649 8670 9265 9333 9810 10370 11118 13005 13298 15555 16677 17629 18530 18666 19947 26010 27795 31110 31501 33245 33354 35258 39894 46665 52887 55590 59841 63002 66490 83385 88145 93330 94503 99735 105774 113033 119682 157505 158661 166770 176290 189006 199470 226066 264435 283509 299205 315010 317322 339099 472515 528870 565165 567018 598410 678198 793305 945030 1017297 1130330 1417545 1586610 1695495 1921561 2034594 2835090 3390990 3843122 5086485 5764683 9607805 10172970 11529366 17294049 19215610 28823415 34588098 57646830 86470245 172940490
• Sum of all divisors σ(n): 489935160
• Sum of proper divisors (its aliquot sum) s(n): 316994670
• 172940490 is an abundant number, because the sum of its proper divisors (316994670) is greater than itself. Its abundance is 144054180

Bases of 172940490

• Binary: 1010010011101101110011001010₂
• Hexadecimal: 0xA4EDCCA
• Base-36: 2UYPQI

Squares and roots of 172940490

• 172940490 squared (172940490²) is 29908413081440100
• 172940490 cubed (172940490³) is 5172375613426660799649000
• The square root of 172940490 is 13150.6840126283
• The cube root of 172940490 is 557.1415674809

Scales and comparisons

• 172,940,490 seconds is equal to 5 years, 25 weeks, 6 days, 15 hours, 1 minute, 30 seconds.
• To count from 1 to 172,940,490 would take you about 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 172940490 cubic inches would be around 46.4 feet tall.

Recreational maths with 172940490

• 172940490 backwards is 094049271
• The number of decimal digits it has is: 9
• The sum of 172940490's digits is 36
• More coming soon!