189892100720

Names of 189892100720

• Cardinal: 189892100720 can be written as One hundred eighty-nine billion, eight hundred ninety-two million, one hundred thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.8989210072 × 10¹¹

Factors of 189892100720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 85372

Divisors of 189892100720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 4177 8354 16708 20885 29239 33416 41770 58478 66832 81181 83540 116956 146195 162362 167080 233912 292390 324724 334160 405905 467824 568267 584780 649448 811810 1136534 1169560 1298896 1623620 2273068 2339120 2841335 3247240 4546136 5682670 6494480 9092272 11365340 22730680 45461360 339093037 678186074 1356372148 1695465185 2373651259 2712744296 3390930370 4747302518 5425488592 6781860740 9494605036 11868256295 13563721480 18989210072 23736512590 27127442960 37978420144 47473025180 94946050360 189892100720
• Sum of all divisors σ(n): 504697453248
• Sum of proper divisors (its aliquot sum) s(n): 314805352528
• 189892100720 is an abundant number, because the sum of its proper divisors (314805352528) is greater than itself. Its abundance is 124913251808

Bases of 189892100720

• Binary: 10110000110110011100111000001001110000₂
• Hexadecimal: 0x2C36738270
• Base-36: 2F8GUQNK

Squares and roots of 189892100720

• 189892100720 squared (189892100720²) is 36059009915854624518400
• 189892100720 cubed (189892100720³) is 6847321142804945083925794293248000
• The square root of 189892100720 is 435766.1078147313
• The cube root of 189892100720 is 5747.8086240081

Scales and comparisons

• 189,892,100,720 seconds is equal to 6,037 years, 51 weeks, 5 hours, 45 minutes, 20 seconds.
• To count from 1 to 189,892,100,720 would take you about twelve thousand and seventy-five 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 189892100720 cubic inches would be around 479 feet tall.

Recreational maths with 189892100720

• 189892100720 backwards is 027001298981
• The number of decimal digits it has is: 12
• The sum of 189892100720's digits is 47
• More coming soon!