9138240

Names of 9138240

• Cardinal: 9138240 can be written as Nine million, one hundred thirty-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 9.13824 × 10⁶

Factors of 9138240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 196

Divisors of 9138240

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 64 72 76 80 90 95 96 114 120 144 152 160 167 171 180 190 192 228 240 285 288 304 320 334 342 360 380 456 480 501 570 576 608 668 684 720 760 835 855 912 960 1002 1140 1216 1336 1368 1440 1503 1520 1670 1710 1824 2004 2280 2505 2672 2736 2880 3006 3040 3173 3340 3420 3648 4008 4560 5010 5344 5472 6012 6080 6346 6680 6840 7515 8016 9120 9519 10020 10688 10944 12024 12692 13360 13680 15030 15865 16032 18240 19038 20040 24048 25384 26720 27360 28557 30060 31730 32064 38076 40080 47595 48096 50768 53440 54720 57114 60120 63460 76152 80160 95190 96192 101536 114228 120240 126920 142785 152304 160320 190380 203072 228456 240480 253840 285570 304608 380760 456912 480960 507680 571140 609216 761520 913824 1015360 1142280 1523040 1827648 2284560 3046080 4569120 9138240
• Sum of all divisors σ(n): 33284160
• Sum of proper divisors (its aliquot sum) s(n): 24145920
• 9138240 is an abundant number, because the sum of its proper divisors (24145920) is greater than itself. Its abundance is 15007680

Bases of 9138240

• Binary: 100010110111000001000000₂
• Hexadecimal: 0x8B7040
• Base-36: 5FV40

Squares and roots of 9138240

• 9138240 squared (9138240²) is 83507430297600
• 9138240 cubed (9138240³) is 763110939842740224000
• The square root of 9138240 is 3022.9521994235
• The cube root of 9138240 is 209.0679784671

Scales and comparisons

• 9,138,240 seconds is equal to 15 weeks, 18 hours, 24 minutes.
• To count from 1 to 9,138,240 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 9138240 cubic inches would be around 17.4 feet tall.

Recreational maths with 9138240

• 9138240 backwards is 0428319
• The number of decimal digits it has is: 7
• The sum of 9138240's digits is 27
• More coming soon!