172530072

Names of 172530072

• Cardinal: 172530072 can be written as One hundred seventy-two million, five hundred thirty thousand and seventy-two.

Scientific notation

• Scientific notation: 1.72530072 × 10⁸

Factors of 172530072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1318

Divisors of 172530072

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 18 22 24 26 33 36 39 44 52 66 72 78 88 99 104 117 132 143 156 169 198 234 264 286 312 338 396 429 468 507 572 676 792 858 936 1014 1144 1287 1289 1352 1521 1716 1859 2028 2574 2578 3042 3432 3718 3867 4056 5148 5156 5577 6084 7436 7734 10296 10312 11154 11601 12168 14179 14872 15468 16731 16757 22308 23202 28358 30936 33462 33514 42537 44616 46404 50271 56716 66924 67028 85074 92808 100542 113432 127611 133848 134056 150813 170148 184327 201084 217841 255222 301626 340296 368654 402168 435682 510444 552981 603252 653523 737308 871364 1020888 1105962 1206504 1307046 1474616 1658943 1742728 1960569 2211924 2396251 2614092 3317886 3921138 4423848 4792502 5228184 6635772 7188753 7842276 9585004 13271544 14377506 15684552 19170008 21566259 28755012 43132518 57510024 86265036 172530072
• Sum of all divisors σ(n): 552403800
• Sum of proper divisors (its aliquot sum) s(n): 379873728
• 172530072 is an abundant number, because the sum of its proper divisors (379873728) is greater than itself. Its abundance is 207343656

Bases of 172530072

• Binary: 1010010010001001100110011000₂
• Hexadecimal: 0xA489998
• Base-36: 2UPX20

Squares and roots of 172530072

• 172530072 squared (172530072²) is 29766625744325184
• 172530072 cubed (172530072³) is 5135638082865477586933248
• The square root of 172530072 is 13135.0703081487
• The cube root of 172530072 is 556.7004869473

Scales and comparisons

• 172,530,072 seconds is equal to 5 years, 25 weeks, 1 day, 21 hours, 1 minute, 12 seconds.
• To count from 1 to 172,530,072 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 172530072 cubic inches would be around 46.4 feet tall.

Recreational maths with 172530072

• 172530072 backwards is 270035271
• The number of decimal digits it has is: 9
• The sum of 172530072's digits is 27
• More coming soon!