51656985 is an odd 8-digits composite number following 51656984
and preceding 51656986 . In scientific notation, it is written as 5.1656985 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 27495072 positive integers (up to 51656985) that are relatively prime to 51656985.
51656985 has 16 divisors, whose sum is 69014400
The reverse of 51656985 is 58965615
Previous prime number is 1579
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
fifty-one million six hundred fifty-six thousand nine hundred eighty-five
Scientific notation
5.1656985 × 10^7
Engineering notation
5.1656985 × 10^6
Prime Factorization
9 × 5 × 1579 × 727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51656985
Product of the distinct prime numbers
The prime factorization of 51656985 is 9 × 5 × 1579 × 727.
Since it has a total of 4 prime factors.
8 , 3 , 29 , 48 , 276 , 648 , 2591 , 3684 , 20726 , 64672 , 346088 , 572808 , 4879126 , 1917329 , 16917823 , 48565936 , 402632534 , 881970856 , 8370638823 , 9145489076
n×2
103313970
n×3
154970955
n×4
206627940
n×5
258284925
n÷2
25828492.5
n÷3
17218995
n÷3
12914246.25
n÷5
10331397
n2
2668444099290225
n3
1.3784377681037E+23
n4
7.1205939110368E+30
n5
3.6782841285352E+38
2 √n
7187.2793879186
3 √n
372.42859463397
4 √n
84.777823680009
5 √n
34.883962497877
1 , 5 , 9 , 45 , 727 , 1579 , 3635 , 6543 , 7895 , 14211 , 32715 , 71055 , 1147933 , 5739665 , 10331397 , 51656985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51656984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51656985 can be divided by 16 positive divisors.
The sum of these divisors (counting 51656985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000101000011100100011001
3
Ternary
10121012110001200
4
Quaternary
3011003210121
5
Quinary
101211010420
6
Senary
5043104413
8
Octal
305034431
10
Decimal
51656985
12
Duodecimal
15372109
16
Hexadecimal
3143919
20
Vigesimal
g2h295
36
Base36
ur6s9
md5
0da6c86186aea9eddc8ef2eae3564d82
sha1
b22cb40c8edf2eaf09fe1631e3d1e2ac424f54ee
sha256
2791e9fd0fffe4fb9b2aa03b47a55cb659c0af2288d5e58c740ff223bc6b1ac4
sha512
92f3ebaf871142e08bc6e3f434f79fbe9ce7e1e5a3e859d020a72aad22f93ce3a58206d4eb461f388c385c66d7755370999bbc06ad80c43cd306dbb4937b597f
ripemd-160
ab20178dccaa8ef1caedfb980738ca6f457422ea
Diameter
103313970
Circumference
324570409.1652
Area
8.3831643788452E+15
Volume
5.7739866209405E+23
Surface area
3.3532657515381E+16
Circumference
324570409.1652
Perimeter
206627940
Area
2668444099290225
Diagonal
73054008.778304
Surface area
16010664595741350
Volume
1.3784377681037E+23
Space diagonal
89472522.585823
Perimeter
154970955
Area
1.155470189282E+15
Altitude
44736261.292912
Surface area
1.155470189282E+15
Volume
1.624504488783E+22
Height
24351336.259435