55142787 is an odd 8-digits composite number following 55142786
and preceding 55142788 . In scientific notation, it is written as 5.5142787 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 31510080 positive integers (up to 55142787) that are relatively prime to 55142787.
55142787 has 12 divisors, whose sum is 85527816
The reverse of 55142787 is 78724155
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
fifty-five million one hundred forty-two thousand seven hundred eighty-seven
Scientific notation
5.5142787 × 10^7
Engineering notation
5.5142787 × 10^6
Prime Factorization
3 × 7 × 7 × 375121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7877541
Product of the distinct prime numbers
The prime factorization of 55142787 is 3 × 7 × 7 × 375121.
Since it has a total of 4 prime factors.
5 , 4 , 89 , 46 , 202 , 639 , 1864 , 3309 , 88514 , 13703 , 427262 , 371696 , 2354577 , 9276215 , 98103750 , 35713995 , 26809751 , 118884084 , 6307721967 , 3112307291
n×2
110285574
n×3
165428361
n×4
220571148
n×5
275713935
n÷2
27571393.5
n÷3
18380929
n÷3
13785696.75
n÷5
11028557.4
n2
3040726958127369
n3
1.6767415897718E+23
n4
9.2460204338825E+30
n5
5.0985133538323E+38
2 √n
7425.818944736
3 √n
380.62405997918
4 √n
86.17319156638
5 √n
35.342538718133
1 , 3 , 7 , 21 , 49 , 147 , 375121 , 1125363 , 2625847 , 7877541 , 18380929 , 55142787
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-55142786
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 55142787 can be divided by 12 positive divisors.
The sum of these divisors (counting 55142787) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11010010010110100110000011
3
Ternary
10211202112200110
4
Quaternary
3102112212003
5
Quinary
103104032122
6
Senary
5245522403
8
Octal
322264603
10
Decimal
55142787
12
Duodecimal
16573403
16
Hexadecimal
3496983
20
Vigesimal
h4cgj7
36
Base36
wtwg3
md5
f14715d86cd59b786d5060e3f1ac30af
sha1
20a012a3574ac2942679ecaa34f2b4b57ca5781e
sha256
9007e0d625440a04840e8fe45cdfe254ea43b7b67f2976e2efc00be8295f14ae
sha512
923c6f62f16f0a645fa0a09c989720377b23cf6a0f9e97ed369c9c8e1258530af6a510604e90d1bd3c463c597c3365205d716843efc98c6d72d268b9c3719288
ripemd-160
6c192b87a671f7a06bf61a76cb1ab7000ea191cd
Diameter
110285574
Circumference
346472349.07533
Area
9.5527254732254E+15
Volume
7.0235187471939E+23
Surface area
3.8210901892902E+16
Circumference
346472349.07533
Perimeter
220571148
Area
3040726958127369
Diagonal
77983677.242451
Surface area
18244361748764214
Volume
1.6767415897718E+23
Space diagonal
95510108.754949
Perimeter
165428361
Area
1.3166733958552E+15
Altitude
47755054.377474
Surface area
1.3166733958552E+15
Volume
1.9760589140419E+22
Height
25994559.080817