745378725

Names of 745378725

• Cardinal: 745378725 can be written as Seven hundred forty-five million, three hundred seventy-eight thousand, seven hundred twenty-five.

Scientific notation

• Scientific notation: 7.45378725 × 10⁸

Factors of 745378725

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 330

Divisors of 745378725

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 13 15 21 25 31 35 39 65 75 91 93 105 155 169 175 195 217 271 273 325 403 455 465 507 525 651 775 813 845 975 1085 1183 1209 1355 1365 1897 2015 2275 2325 2535 2821 3255 3523 3549 4065 4225 5239 5425 5691 5915 6045 6775 6825 8401 8463 9485 10075 10569 12675 14105 15717 16275 17615 17745 20325 24661 25203 26195 28455 29575 30225 36673 42005 42315 45799 47425 52845 58807 70525 73983 78585 88075 88725 109213 110019 123305 126015 130975 137397 142275 176421 183365 210025 211575 228995 264225 294035 320593 327639 369915 392925 546065 550095 616525 630075 686985 764491 882105 916825 961779 1144975 1419769 1470175 1602965 1638195 1849575 2293473 2730325 2750475 3434925 3822455 4259307 4410525 4808895 7098845 8014825 8190975 9938383 11467365 19112275 21296535 24044475 29815149 35494225 49691915 57336825 106482675 149075745 248459575 745378725
• Sum of all divisors σ(n): 1580089344
• Sum of proper divisors (its aliquot sum) s(n): 834710619
• 745378725 is an abundant number, because the sum of its proper divisors (834710619) is greater than itself. Its abundance is 89331894

Bases of 745378725

• Binary: 101100011011011001001110100101₂
• Hexadecimal: 0x2C6D93A5
• Base-36: CBS1WL

Squares and roots of 745378725

• 745378725 squared (745378725²) is 555589443682625625
• 745378725 cubed (745378725³) is 414124551155614793014828125
• The square root of 745378725 is 27301.6249516397
• The cube root of 745378725 is 906.6903584825

Scales and comparisons

• 745,378,725 seconds is equal to 23 years, 36 weeks, 3 days, 1 hour, 38 minutes, 45 seconds.
• To count from 1 to 745,378,725 would take you about thirty-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 745378725 cubic inches would be around 75.6 feet tall.

Recreational maths with 745378725

• 745378725 backwards is 527873547
• The number of decimal digits it has is: 9
• The sum of 745378725's digits is 48
• More coming soon!