172905474742

Names of 172905474742

• Cardinal: 172905474742 can be written as One hundred seventy-two billion, nine hundred five million, four hundred seventy-four thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.72905474742 × 10¹¹

Factors of 172905474742

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2800

Divisors of 172905474742

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 7 11 13 14 22 26 49 77 91 98 143 154 169 182 286 338 343 539 637 686 1001 1078 1183 1274 1859 2002 2366 2401 2767 3718 3773 4459 4802 5534 7007 7546 8281 8918 13013 14014 16562 16807 19369 26026 26411 30437 31213 33614 35971 38738 49049 52822 57967 60874 62426 71942 91091 98098 115934 135583 182182 184877 213059 218491 251797 271166 343343 369754 395681 405769 426118 436982 467623 503594 637637 686686 791362 811538 935246 949081 1275274 1491413 1762579 1898162 2403401 2769767 2840383 2982826 3273361 3525158 4463459 4806802 5143853 5539534 5680766 6546722 6643567 8926918 10287706 10439891 12338053 13287134 19388369 20879782 22913527 24676106 31244213 36006971 38776738 45827054 46504969 62488426 72013942 73079237 86366371 93009938 135718583 146158474 160394689 172732742 252048797 271437166 320789378 504097594 511554659 604564597 950030081 1023109318 1122762823 1209129194 1764341579 1900060162 2245525646 3528683158 6650210567 7859339761 12350391053 13300421134 15718679522 24700782106 86452737371 172905474742
• Sum of all divisors σ(n): 357563331072
• Sum of proper divisors (its aliquot sum) s(n): 184657856330
• 172905474742 is an abundant number, because the sum of its proper divisors (184657856330) is greater than itself. Its abundance is 11752381588

Bases of 172905474742

• Binary: 10100001000001111110000010101010110110₂
• Hexadecimal: 0x2841F82AB6
• Base-36: 27FJGE5Y

Squares and roots of 172905474742

• 172905474742 squared (172905474742²) is 29896303195756399966564
• 172905474742 cubed (172905474742³) is 5169234497093032096003581346526488
• The square root of 172905474742 is 415819.0408603243
• The cube root of 172905474742 is 5571.0396346165

Scales and comparisons

• 172,905,474,742 seconds is equal to 5,497 years, 44 weeks, 4 days, 18 hours, 32 minutes, 22 seconds.
• To count from 1 to 172,905,474,742 would take you about ten thousand, nine hundred ninety-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 172905474742 cubic inches would be around 464.3 feet tall.

Recreational maths with 172905474742

• 172905474742 backwards is 247474509271
• The number of decimal digits it has is: 12
• The sum of 172905474742's digits is 52
• More coming soon!