9145920

Names of 9145920

• Cardinal: 9145920 can be written as Nine million, one hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 9.14592 × 10⁶

Factors of 9145920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1378

Divisors of 9145920

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1361 1680 2240 2722 3360 4083 5444 6720 6805 8166 9527 10888 13610 16332 19054 20415 21776 27220 28581 32664 38108 40830 43552 47635 54440 57162 65328 76216 81660 87104 95270 108880 114324 130656 142905 152432 163320 190540 217760 228648 261312 285810 304864 326640 381080 435520 457296 571620 609728 653280 762160 914592 1143240 1306560 1524320 1829184 2286480 3048640 4572960 9145920
• Sum of all divisors σ(n): 33211008
• Sum of proper divisors (its aliquot sum) s(n): 24065088
• 9145920 is an abundant number, because the sum of its proper divisors (24065088) is greater than itself. Its abundance is 14919168

Bases of 9145920

• Binary: 100010111000111001000000₂
• Hexadecimal: 0x8B8E40
• Base-36: 5G11C

Squares and roots of 9145920

• 9145920 squared (9145920²) is 83647852646400
• 9145920 cubed (9145920³) is 765036568475762688000
• The square root of 9145920 is 3024.2222140577
• The cube root of 9145920 is 209.1265306785

Scales and comparisons

• 9,145,920 seconds is equal to 15 weeks, 20 hours, 32 minutes.
• To count from 1 to 9,145,920 would take you about twenty-two weeks!

  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 9145920 cubic inches would be around 17.4 feet tall.

Recreational maths with 9145920

• 9145920 backwards is 0295419
• 9145920 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 9145920's digits is 30
• More coming soon!