55138840 is an even 8-digits composite number following 55138839
and preceding 55138841 . In scientific notation, it is written as 5.5138840 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors.
There are 21775104 positive integers (up to 55138840) that are relatively prime to 55138840.
55138840 has 32 divisors, whose sum is 125640000
The reverse of 55138840 is 04883155
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
fifty-five million one hundred thirty-eight thousand eight hundred forty
Scientific notation
5.5138840 × 10^7
Engineering notation
5.5138840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 79 × 17449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
13784710
Product of the distinct prime numbers
The prime factorization of 55138840 is 2 × 2 × 2 × 5 × 79 × 17449.
Since it has a total of 6 prime factors.
10 , 3 , 83 , 3 , 808 , 797 , 1932 , 5736 , 35846 , 37709 , 871714 , 435042 , 3749540 , 8154350 , 41618879 , 54492595 , 226894739 , 770651960 , 1168239611 , 8135166752
n×2
110277680
n×3
165416520
n×4
220555360
n×5
275694200
n÷2
27569420
n÷3
18379613.333333
n÷3
13784710
n÷5
11027768
n2
3040291676545600
n3
1.6763815630638E+23
n4
9.2433734784725E+30
n5
5.0966889128974E+38
2 √n
7425.5531780467
3 √n
380.61497835012
4 √n
86.171649502877
5 √n
35.342032755333
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 79 , 158 , 316 , 395 , 632 , 790 , 1580 , 3160 , 17449 , 34898 , 69796 , 87245 , 139592 , 174490 , 348980 , 697960 , 1378471 , 2756942 , 5513884 , 6892355 , 11027768 , 13784710 , 27569420 , 55138840
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-55138839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 55138840 can be divided by 32 positive divisors.
The sum of these divisors (counting 55138840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11010010010101101000011000
3
Ternary
10211202100021021
4
Quaternary
3102111220120
5
Quinary
103103420330
6
Senary
5245452224
8
Octal
322255030
10
Decimal
55138840
12
Duodecimal
16571074
16
Hexadecimal
3495a18
20
Vigesimal
h4c720
36
Base36
wtteg
md5
1157da9fa0d8fece3bb30046b364d2bf
sha1
40d13ac65dffe7c4f4c1feb4ad0973d6ba7b089b
sha256
164b7cb9dad5b9e1e172a86c6ae69d16acd403d2b9218243864d3b1942c6b89a
sha512
a596a01f96b6019c5da143acd3ba97182d83da505dcbd8c5bd1aee80c2162ce739b5b14382fecd4f596870e00b8407987d9b73bb6d4376900e47c11e1b680c50
ripemd-160
5fee54d50d96ecc6ef0801e8dfb2c96243bbd617
Diameter
110277680
Circumference
346447549.34293
Area
9.5513579958059E+15
Volume
7.0220106708461E+23
Surface area
3.8205431983223E+16
Circumference
346447549.34293
Perimeter
220555360
Area
3040291676545600
Diagonal
77978095.34152
Surface area
18241750059273600
Volume
1.6763815630638E+23
Space diagonal
95503272.350411
Perimeter
165416520
Area
1.3164849134014E+15
Altitude
47751636.175206
Surface area
1.3164849134014E+15
Volume
1.9756346184975E+22
Height
25992698.447173