51307978 is an even 8-digits composite number following 51307977
and preceding 51307979 . In scientific notation, it is written as 5.1307978 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 25653988 positive integers (up to 51307978) that are relatively prime to 51307978.
51307978 has 4 divisors, whose sum is 76961970
The reverse of 51307978 is 87970315
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
fifty-one million three hundred seven thousand nine hundred seventy-eight
Scientific notation
5.1307978 × 10^7
Engineering notation
5.1307978 × 10^6
Prime Factorization
2 × 25653989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51307978
Product of the distinct prime numbers
The prime factorization of 51307978 is 2 × 25653989.
Since it has a total of 2 prime factors.
8 , 6 , 90 , 39 , 230 , 87 , 1553 , 542 , 55083 , 68463 , 90049 , 743029 , 2323855 , 2429952 , 94325729 , 34937545 , 708014253 , 345220408 , 2589588220 , 3091942305
n×2
102615956
n×3
153923934
n×4
205231912
n×5
256539890
n÷2
25653989
n÷3
17102659.333333
n÷3
12826994.5
n÷5
10261595.6
n2
2632508606448484
n3
1.3506869366447E+23
n4
6.9301015630253E+30
n5
3.5556949853347E+38
2 √n
7162.9587462165
3 √n
371.58795958706
4 √n
84.634264610833
5 √n
34.836697705644
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
-51307977
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 51307978 can be divided by 4 positive divisors.
The sum of these divisors (counting 51307978) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000011101110010111001010
3
Ternary
10120112201022111
4
Quaternary
3003232113022
5
Quinary
101113323403
6
Senary
5031412534
8
Octal
303562712
10
Decimal
51307978
12
Duodecimal
1522414a
16
Hexadecimal
30ee5ca
20
Vigesimal
g0d9ii
36
Base36
ujphm
md5
4bbd7dcff4f7a09a483f9c655fb3e862
sha1
54c25c65fb63cbcbe9b913241f721fdeaff2bbf3
sha256
d0e15d03a6495fc7124b82f411919512215f5eedae5c302d74d459c8f0fcb8f6
sha512
46bfaa78fffd08a4b39dcf0ee544442fb9a768c12bd943e713fefcec94ccf7ffefbedfbb4e9663c6d54387ab24f1300cc99d44dc19feddaeac5c71290489d74b
ripemd-160
a774986219eae8dccfb87fe8c1fe39efe785c01c
Diameter
102615956
Circumference
322377533.51069
Area
8.2702696985305E+15
Volume
5.6577442099502E+23
Surface area
3.3081078794122E+16
Circumference
322377533.51069
Perimeter
205231912
Area
2632508606448484
Diagonal
72560438.34554
Surface area
15795051638690904
Volume
1.3506869366447E+23
Space diagonal
88868024.729626
Perimeter
153923934
Area
1.1399096644328E+15
Altitude
44434012.364813
Surface area
1.1399096644328E+15
Volume
1.5917998202692E+22
Height
24186812.781847