16890390

Names of 16890390

• Cardinal: 16890390 can be written as Sixteen million, eight hundred ninety thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.689039 × 10⁷

Factors of 16890390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 68

Divisors of 16890390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 47 54 55 66 90 94 99 110 121 135 141 165 198 235 242 270 282 297 330 363 423 470 495 517 594 605 705 726 846 990 1034 1089 1210 1269 1331 1410 1485 1551 1815 2115 2178 2538 2585 2662 2970 3102 3267 3630 3993 4230 4653 5170 5445 5687 6345 6534 6655 7755 7986 9306 10890 11374 11979 12690 13310 13959 15510 16335 17061 19965 23265 23958 27918 28435 32670 34122 35937 39930 46530 51183 56870 59895 62557 69795 71874 85305 102366 119790 125114 139590 153549 170610 179685 187671 255915 307098 312785 359370 375342 511830 563013 625570 767745 938355 1126026 1535490 1689039 1876710 2815065 3378078 5630130 8445195 16890390
• Sum of all divisors σ(n): 50595840
• Sum of proper divisors (its aliquot sum) s(n): 33705450
• 16890390 is an abundant number, because the sum of its proper divisors (33705450) is greater than itself. Its abundance is 16815060

Bases of 16890390

• Binary: 1000000011011101000010110₂
• Hexadecimal: 0x101BA16
• Base-36: A20PI

Squares and roots of 16890390

• 16890390 squared (16890390²) is 285285274352100
• 16890390 cubed (16890390³) is 4818579545063966319000
• The square root of 16890390 is 4109.7919655379
• The cube root of 16890390 is 256.5743432121

Scales and comparisons

• 16,890,390 seconds is equal to 27 weeks, 6 days, 11 hours, 46 minutes, 30 seconds.
• To count from 1 to 16,890,390 would take you about forty-one 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 16890390 cubic inches would be around 21.4 feet tall.

Recreational maths with 16890390

• 16890390 backwards is 09309861
• The number of decimal digits it has is: 8
• The sum of 16890390's digits is 36
• More coming soon!