120189420

Names of 120189420

• Cardinal: 120189420 can be written as One hundred twenty million, one hundred eighty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.2018942 × 10⁸

Factors of 120189420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 462

Divisors of 120189420

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 81 90 108 117 130 135 156 162 169 180 195 234 260 270 324 338 351 390 405 439 468 507 540 585 676 702 780 810 845 878 1014 1053 1170 1317 1404 1521 1620 1690 1755 1756 2028 2106 2195 2340 2535 2634 3042 3380 3510 3951 4212 4390 4563 5070 5265 5268 5707 6084 6585 7020 7605 7902 8780 9126 10140 10530 11414 11853 13170 13689 15210 15804 17121 18252 19755 21060 22815 22828 23706 26340 27378 28535 30420 34242 35559 39510 45630 47412 51363 54756 57070 59265 68445 68484 71118 74191 79020 85605 91260 102726 114140 118530 136890 142236 148382 154089 171210 177795 205452 222573 237060 256815 273780 296764 308178 342420 355590 370955 445146 462267 513630 616356 667719 711180 741910 770445 890292 924534 1027260 1112865 1335438 1483820 1540890 1849068 2003157 2225730 2311335 2670876 3081780 3338595 4006314 4451460 4622670 6009471 6677190 8012628 9245340 10015785 12018942 13354380 20031570 24037884 30047355 40063140 60094710 120189420
• Sum of all divisors σ(n): 409202640
• Sum of proper divisors (its aliquot sum) s(n): 289013220
• 120189420 is an abundant number, because the sum of its proper divisors (289013220) is greater than itself. Its abundance is 168823800

Bases of 120189420

• Binary: 111001010011111000111101100₂
• Hexadecimal: 0x729F1EC
• Base-36: 1ZK2R0

Squares and roots of 120189420

• 120189420 squared (120189420²) is 14445496679936400
• 120189420 cubed (120189420³) is 1736195867573481552888000
• The square root of 120189420 is 10963.0935415147
• The cube root of 120189420 is 493.5018061481

Scales and comparisons

• 120,189,420 seconds is equal to 3 years, 42 weeks, 5 days, 1 hour, 57 minutes.
• To count from 1 to 120,189,420 would take you about 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 120189420 cubic inches would be around 41.1 feet tall.

Recreational maths with 120189420

• 120189420 backwards is 024981021
• 120189420 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 120189420's digits is 27
• More coming soon!