55156140

Names of 55156140

• Cardinal: 55156140 can be written as Fifty-five million, one hundred fifty-six thousand, one hundred forty.

Scientific notation

• Scientific notation: 5.515614 × 10⁷

Factors of 55156140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 120

Divisors of 55156140

• Number of divisors d(n): 192
• 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 97 108 117 130 135 156 162 180 194 195 234 243 260 270 291 324 351 388 390 405 468 485 486 540 582 585 702 729 780 810 873 970 972 1053 1164 1170 1215 1261 1404 1455 1458 1620 1746 1755 1940 2106 2187 2340 2430 2522 2619 2910 2916 3159 3492 3510 3645 3783 4212 4365 4374 4860 5044 5238 5265 5820 6305 6318 7020 7290 7566 7857 8730 8748 9477 10476 10530 10935 11349 12610 12636 13095 14580 15132 15714 15795 17460 18915 18954 21060 21870 22698 23571 25220 26190 28431 31428 31590 34047 37830 37908 39285 43740 45396 47142 47385 52380 56745 56862 63180 68094 70713 75660 78570 94284 94770 102141 113490 113724 117855 136188 141426 142155 157140 170235 189540 204282 212139 226980 235710 282852 284310 306423 340470 353565 408564 424278 471420 510705 568620 612846 680940 707130 848556 919269 1021410 1060695 1225692 1414260 1532115 1838538 2042820 2121390 2757807 3064230 3677076 4242780 4596345 5515614 6128460 9192690 11031228 13789035 18385380 27578070 55156140
• Sum of all divisors σ(n): 189006720
• Sum of proper divisors (its aliquot sum) s(n): 133850580
• 55156140 is an abundant number, because the sum of its proper divisors (133850580) is greater than itself. Its abundance is 78694440

Bases of 55156140

• Binary: 11010010011001110110101100₂
• Hexadecimal: 0x3499DAC
• Base-36: WU6R0

Squares and roots of 55156140

• 55156140 squared (55156140²) is 3042199779699600
• 55156140 cubed (55156140³) is 167795996957080295544000
• The square root of 55156140 is 7426.7179830663
• The cube root of 55156140 is 380.6547806057

Scales and comparisons

• 55,156,140 seconds is equal to 1 year, 39 weeks, 1 day, 9 hours, 9 minutes.
• To count from 1 to 55,156,140 would take you about two 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 55156140 cubic inches would be around 31.7 feet tall.

Recreational maths with 55156140

• 55156140 backwards is 04165155
• 55156140 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 55156140's digits is 27
• More coming soon!