51291285 is an odd 8-digits composite number following 51291284
and preceding 51291286 . In scientific notation, it is written as 5.1291285 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 26411840 positive integers (up to 51291285) that are relatively prime to 51291285.
51291285 has 16 divisors, whose sum is 84896640
The reverse of 51291285 is 58219215
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
fifty-one million two hundred ninety-one thousand two hundred eighty-five
Scientific notation
5.1291285 × 10^7
Engineering notation
5.1291285 × 10^6
Prime Factorization
3 × 5 × 29 × 117911
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51291285
Product of the distinct prime numbers
The prime factorization of 51291285 is 3 × 5 × 29 × 117911.
Since it has a total of 4 prime factors.
7 , 7 , 75 , 39 , 608 , 493 , 355 , 1029 , 68216 , 49643 , 10230 , 197513 , 5747745 , 5133921 , 95744792 , 83957787 , 882541084 , 607128391 , 7345313263 , 2078985248
n×2
102582570
n×3
153873855
n×4
205165140
n×5
256456425
n÷2
25645642.5
n÷3
17097095
n÷3
12822821.25
n÷5
10258257
n2
2630795916951225
n3
1.3493690315318E+23
n4
6.9210871566472E+30
n5
3.5499145386143E+38
2 √n
7161.7934206454
3 √n
371.54765662394
4 √n
84.627379852182
5 √n
34.834430593541
1 , 3 , 5 , 15 , 29 , 87 , 145 , 435 , 117911 , 353733 , 589555 , 1768665 , 3419419 , 10258257 , 17097095 , 51291285
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
-51291284
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 51291285 can be divided by 16 positive divisors.
The sum of these divisors (counting 51291285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000011101010010010010101
3
Ternary
10120111212102020
4
Quaternary
3003222102111
5
Quinary
101112310120
6
Senary
5031203353
8
Octal
303522225
10
Decimal
51291285
12
Duodecimal
15216559
16
Hexadecimal
30ea495
20
Vigesimal
g0b845
36
Base36
ujclx
md5
cf1ac4478ccbc5aa193b2a08d9e5a04b
sha1
fa5dd6985771f124a8e68fb142df61cd7227fb5b
sha256
a5c0877543614ed0d7b101e4cf276be1eee6e4c7e7510e2da0875f60287e9ea8
sha512
79a426d3c90b91f024f0c8174ae193741dcde2adf9758654eed36209193968544b162f1a5c6079303ac39370beaab4412532f295d85789f93262da76a25e6c1d
ripemd-160
8c38823fbb33abbf3644d82f49798543c22cf6d5
Diameter
102582570
Circumference
322272648.29836
Area
8.264889125788E+15
Volume
5.6522237819226E+23
Surface area
3.3059556503152E+16
Circumference
322272648.29836
Perimeter
205165140
Area
2630795916951225
Diagonal
72536830.878544
Surface area
15784775501707350
Volume
1.3493690315318E+23
Space diagonal
88839111.605495
Perimeter
153873855
Area
1.1391680481261E+15
Altitude
44419555.802748
Surface area
1.1391680481261E+15
Volume
1.5902466541988E+22
Height
24178943.626181