145530990

Names of 145530990

• Cardinal: 145530990 can be written as One hundred forty-five million, five hundred thirty thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.4553099 × 10⁸

Factors of 145530990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 224

Divisors of 145530990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 29 30 33 37 45 55 58 66 74 87 90 99 110 111 137 145 165 174 185 198 222 261 274 290 319 330 333 370 407 411 435 495 522 555 638 666 685 814 822 870 957 990 1073 1110 1221 1233 1305 1370 1507 1595 1665 1914 2035 2055 2146 2442 2466 2610 2871 3014 3190 3219 3330 3663 3973 4070 4110 4521 4785 5069 5365 5742 6105 6165 6438 7326 7535 7946 9042 9570 9657 10138 10730 11803 11919 12210 12330 13563 14355 15070 15207 16095 18315 19314 19865 22605 23606 23838 25345 27126 28710 30414 32190 35409 35757 36630 39730 43703 45210 45621 48285 50690 55759 59015 59595 67815 70818 71514 76035 87406 91242 96570 106227 111518 118030 119190 131109 135630 147001 152070 167277 177045 178785 212454 218515 228105 262218 278795 294002 334554 354090 357570 393327 437030 441003 456210 501831 531135 557590 655545 735005 786654 836385 882006 1003662 1062270 1311090 1323009 1470010 1617011 1672770 1966635 2205015 2509155 2646018 3234022 3933270 4410030 4851033 5018310 6615045 8085055 9702066 13230090 14553099 16170110 24255165 29106198 48510330 72765495 145530990
• Sum of all divisors σ(n): 441754560
• Sum of proper divisors (its aliquot sum) s(n): 296223570
• 145530990 is an abundant number, because the sum of its proper divisors (296223570) is greater than itself. Its abundance is 150692580

Bases of 145530990

• Binary: 1000101011001010000001101110₂
• Hexadecimal: 0x8ACA06E
• Base-36: 2EN8FI

Squares and roots of 145530990

• 145530990 squared (145530990²) is 21179269050380100
• 145530990 cubed (145530990³) is 3082239992378175829299000
• The square root of 145530990 is 12063.6225902505
• The cube root of 145530990 is 525.9992939987

Scales and comparisons

• 145,530,990 seconds is equal to 4 years, 32 weeks, 4 days, 9 hours, 16 minutes, 30 seconds.
• To count from 1 to 145,530,990 would take you about six 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 145530990 cubic inches would be around 43.8 feet tall.

Recreational maths with 145530990

• 145530990 backwards is 099035541
• The number of decimal digits it has is: 9
• The sum of 145530990's digits is 36
• More coming soon!