251242693 is an odd 9-digits composite number following 251242692
and preceding 251242694 . In scientific notation, it is written as 2.51242693 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 224434800 positive integers (up to 251242693) that are relatively prime to 251242693.
251242693 has 8 divisors, whose sum is 279297536
The reverse of 251242693 is 396242152
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred fifty-one million two hundred forty-two thousand six hundred ninety-three
Scientific notation
2.51242693 × 10^8
Engineering notation
2.51242693 × 10^6
Prime Factorization
31 × 13 × 623431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
251242693
Product of the distinct prime numbers
The prime factorization of 251242693 is 31 × 13 × 623431.
Since it has a total of 3 prime factors.
10 , 10 , 90 , 59 , 842 , 589 , 3230 , 5291 , 21898 , 52328 , 830868 , 497847 , 5888973 , 3350838 , 95247140 , 80676222 , 445486752 , 129675438 , 6639156018 , 3241457292
n×2
502485386
n×3
753728079
n×4
1004970772
n×5
1256213465
n÷2
125621346.5
n÷3
83747564.333333
n÷3
62810673.25
n÷5
50248538.6
n2
63122890785892249
n3
1.5859165070992E+25
n4
3.9844993411677E+33
n5
1.0010763447317E+42
2 √n
15850.636990355
3 √n
631.00259692874
4 √n
125.8993129066
5 √n
47.865068852282
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-251242692
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 251242693 can be divided by 8 positive divisors.
The sum of these divisors (counting 251242693) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111110011010100011000101
3
Ternary
122111202110011221
4
Quaternary
32332122203011
5
Quinary
1003304231233
6
Senary
40533000341
8
Octal
1676324305
10
Decimal
251242693
12
Duodecimal
701830b1
16
Hexadecimal
ef9a8c5
20
Vigesimal
3ia56ed
36
Base36
45l03p
md5
c8dfdde738b853c6e87aac9136fcf310
sha1
9603442c259f2922bd8eb20b28cd62cd39e51ef3
sha256
1c0cb648edaae763a42a806e19befcb82df0ba831c996b52603b0c12d08af473
sha512
7ca99ea1cff2781eed296eb9fadc766d4e85ceec665ebfd64cca5a60399c0b7db972a3088559b5a90cc7fc5b5e9cc117cd72cc1b0b3f21cb68d5ddfe3d4cc647
ripemd-160
0921ad2fd1059506b17ff490132828332c6f7a16
Diameter
502485386
Circumference
1578604397.1938
Area
1.9830640996631E+17
Volume
6.6430715305464E+25
Surface area
7.9322563986524E+17
Circumference
1578604397.1938
Perimeter
1004970772
Area
63122890785892249
Diagonal
355310823.88774
Surface area
378737344715353494
Volume
1.5859165070992E+25
Space diagonal
435165109.30643
Perimeter
753728079
Area
2.7333013490447E+16
Altitude
217582554.65321
Surface area
2.7333013490447E+16
Volume
1.8690205276093E+24
Height
118436941.29591