199645164720

Names of 199645164720

• Cardinal: 199645164720 can be written as One hundred ninety-nine billion, six hundred forty-five million, one hundred sixty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.9964516472 × 10¹¹

Factors of 199645164720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3423281

Divisors of 199645164720

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 243 270 324 360 405 432 486 540 648 720 729 810 972 1080 1215 1296 1458 1620 1944 2160 2430 2916 3240 3645 3888 4860 5832 6480 7290 9720 11664 14580 19440 29160 58320 3423271 6846542 10269813 13693084 17116355 20539626 27386168 30809439 34232710 41079252 51349065 54772336 61618878 68465420 82158504 92428317 102698130 123237756 136930840 154047195 164317008 184856634 205396260 246475512 273861680 277284951 308094390 369713268 410792520 462141585 492951024 554569902 616188780 739426536 821585040 831854853 924283170 1109139804 1232377560 1386424755 1478853072 1663709706 1848566340 2218279608 2464755120 2495564559 2772849510 3327419412 3697132680 4159274265 4436559216 4991129118 5545699020 6654838824 7394265360 8318548530 9982258236 11091398040 12477822795 13309677648 16637097060 19964516472 22182796080 24955645590 33274194120 39929032944 49911291180 66548388240 99822582360 199645164720
• Sum of all divisors σ(n): 695944351056
• Sum of proper divisors (its aliquot sum) s(n): 496299186336
• 199645164720 is an abundant number, because the sum of its proper divisors (496299186336) is greater than itself. Its abundance is 296654021616

Bases of 199645164720

• Binary: 10111001111011110001110111010010110000₂
• Hexadecimal: 0x2E7BC774B0
• Base-36: 2JPRKR00

Squares and roots of 199645164720

• 199645164720 squared (199645164720²) is 39858191796075932678400
• 199645164720 cubed (199645164720³) is 7957495266568932229206798786048000
• The square root of 199645164720 is 446816.7014783579
• The cube root of 199645164720 is 5844.5749469121

Scales and comparisons

• 199,645,164,720 seconds is equal to 6,348 years, 5 weeks, 22 hours, 12 minutes.
• To count from 1 to 199,645,164,720 would take you about twelve thousand, six hundred ninety-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 199645164720 cubic inches would be around 487 feet tall.

Recreational maths with 199645164720

• 199645164720 backwards is 027461546991
• 199645164720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 199645164720's digits is 54
• More coming soon!