51291220 is an even 8-digits composite number following 51291219
and preceding 51291221 . In scientific notation, it is written as 5.1291220 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 20516480 positive integers (up to 51291220) that are relatively prime to 51291220.
51291220 has 12 divisors, whose sum is 107711604
The reverse of 51291220 is 02219215
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
fifty-one million two hundred ninety-one thousand two hundred twenty
Scientific notation
5.1291220 × 10^7
Engineering notation
5.1291220 × 10^6
Prime Factorization
2 × 2 × 5 × 2564561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
25645610
Product of the distinct prime numbers
The prime factorization of 51291220 is 2 × 2 × 5 × 2564561.
Since it has a total of 4 prime factors.
6 , 10 , 22 , 66 , 732 , 325 , 1976 , 9730 , 56366 , 16363 , 425039 , 282253 , 1327926 , 6827404 , 96505870 , 13217597 , 530818421 , 935292188 , 4479480034 , 7457028277
n×2
102582440
n×3
153873660
n×4
205164880
n×5
256456100
n÷2
25645610
n÷3
17097073.333333
n÷3
12822805
n÷5
10258244
n2
2630789249088400
n3
1.3493639014863E+23
n4
6.9210520731191E+30
n5
3.5498920451381E+38
2 √n
7161.7888826745
3 √n
371.54749967325
4 √n
84.627353040695
5 √n
34.834421764598
1 , 2 , 4 , 5 , 10 , 20 , 2564561 , 5129122 , 10258244 , 12822805 , 25645610 , 51291220
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
-51291219
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 51291220 can be divided by 12 positive divisors.
The sum of these divisors (counting 51291220) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11000011101010010001010100
3
Ternary
10120111212022211
4
Quaternary
3003222101110
5
Quinary
101112304340
6
Senary
5031203204
8
Octal
303522124
10
Decimal
51291220
12
Duodecimal
15216504
16
Hexadecimal
30ea454
20
Vigesimal
g0b810
36
Base36
ujck4
md5
0e53b80bf3221309b4aad836051ecdad
sha1
412afa24564f3e4f383d78bd0e5e9706e30eccbc
sha256
4c1cd637f9abce191beb1fb38d8a6a53880532a019a9205c15e0a9d0e9b31215
sha512
22beb1fb2b928dcfb6671680d80a0f69f726ba5d6c255585b9c43b836d64a06b01eb161dcce2a52569c1713c3618c7a303664a580575ebec195c19eed47f8be1
ripemd-160
0a57d6c8fff9a5f69a948ee9deaab0f33c0ce2d8
Diameter
102582440
Circumference
322272239.89132
Area
8.2648681780791E+15
Volume
5.6522022932381E+23
Surface area
3.3059472712317E+16
Circumference
322272239.89132
Perimeter
205164880
Area
2630789249088400
Diagonal
72536738.954662
Surface area
15784735494530400
Volume
1.3493639014863E+23
Space diagonal
88838999.022193
Perimeter
153873660
Area
1.1391651608568E+15
Altitude
44419499.511096
Surface area
1.1391651608568E+15
Volume
1.5902406083821E+22
Height
24178912.984887