51640987 is an odd 8-digits composite number following 51640986
and preceding 51640988 . In scientific notation, it is written as 5.1640987 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 50870160 positive integers (up to 51640987) that are relatively prime to 51640987.
51640987 has 4 divisors, whose sum is 52411816
The reverse of 51640987 is 78904615
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
fifty-one million six hundred forty thousand nine hundred eighty-seven
Scientific notation
5.1640987 × 10^7
Engineering notation
5.1640987 × 10^6
Prime Factorization
67 × 770761
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51640987
Product of the distinct prime numbers
The prime factorization of 51640987 is 67 × 770761.
Since it has a total of 2 prime factors.
9 , 6 , 41 , 63 , 563 , 899 , 6631 , 1398 , 92635 , 88448 , 944265 , 8825 , 2456390 , 3349435 , 50518155 , 11427975 , 90751414 , 297706042 , 1011838697 , 6715508654
n×2
103281974
n×3
154922961
n×4
206563948
n×5
258204935
n÷2
25820493.5
n÷3
17213662.333333
n÷3
12910246.75
n÷5
10328197.4
n2
2666791538334169
n3
1.3771574716282E+23
n4
7.1117771089307E+30
n5
3.6725918922919E+38
2 √n
7186.1663632287
3 √n
372.39014402345
4 √n
84.771259063604
5 √n
34.881801540251
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51640986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51640987 can be divided by 4 positive divisors.
The sum of these divisors (counting 51640987) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000100111111101010011011
3
Ternary
10121011122010011
4
Quaternary
3010333222123
5
Quinary
101210002422
6
Senary
5042502351
8
Octal
304775233
10
Decimal
51640987
12
Duodecimal
153649b7
16
Hexadecimal
313fa9b
20
Vigesimal
g2f297
36
Base36
uqufv
md5
ea947abe9c02b4ff066208f71a41ce2e
sha1
eef91d6f0499d1ae2b1bd09a9c0693eda3f83cef
sha256
227d2242b98bf3fb5bab0ccc450a1a8cd6ec8e762f17f6e978b0be669bdc2591
sha512
6c90cdb7affe5c46cb01cb98763067943fbbaf82e2429661c87938ef1e30e9d2506c5abb38bbc099bb76ea6adea09a66a2ca7a5eda816e1f88f39d839fbdc911
ripemd-160
91c9e83e80fe3cb34b7bf3a948258ee05e2454d5
Diameter
103281974
Circumference
324469890.76665
Area
8.377972705486E+15
Volume
5.7686237276048E+23
Surface area
3.3511890821944E+16
Circumference
324469890.76665
Perimeter
206563948
Area
2666791538334169
Diagonal
73031384.189733
Surface area
16000749230005014
Volume
1.3771574716282E+23
Space diagonal
89444813.237004
Perimeter
154922961
Area
1.1547546093974E+15
Altitude
44722406.618502
Surface area
1.1547546093974E+15
Volume
1.6229956449168E+22
Height
24343794.729911