251421331 is an odd 9-digits composite number following 251421330
and preceding 251421332 . In scientific notation, it is written as 2.51421331 × 10^8.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 215503992 positive integers (up to 251421331) that are relatively prime to 251421331.
251421331 has 4 divisors, whose sum is 287338672
The reverse of 251421331 is 133124152
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
two hundred fifty-one million four hundred twenty-one thousand three hundred thirty-one
Scientific notation
2.51421331 × 10^8
Engineering notation
2.51421331 × 10^6
Prime Factorization
7 × 35917333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
251421331
Product of the distinct prime numbers
The prime factorization of 251421331 is 7 × 35917333.
Since it has a total of 2 prime factors.
9 , 7 , 10 , 58 , 708 , 33 , 4933 , 2375 , 60162 , 79100 , 338917 , 314794 , 4938412 , 8101910 , 56137430 , 82060207 , 664310 , 429926868 , 2235605283 , 5562164057
n×2
502842662
n×3
754263993
n×4
1005685324
n×5
1257106655
n÷2
125710665.5
n÷3
83807110.333333
n÷3
62855332.75
n÷5
50284266.2
n2
63212685681811561
n3
1.5893017570206E+25
n4
3.9958436311075E+33
n5
1.0046403242009E+42
2 √n
15856.271030731
3 √n
631.15211283513
4 √n
125.92168610184
5 √n
47.871873499435
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
-251421330
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 251421331 can be divided by 4 positive divisors.
The sum of these divisors (counting 251421331) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111111000110001010010011
3
Ternary
122112002112020011
4
Quaternary
32333012022103
5
Quinary
1003330440311
6
Senary
40540455351
8
Octal
1677061223
10
Decimal
251421331
12
Duodecimal
7024a557
16
Hexadecimal
efc6293
20
Vigesimal
3ib7d6b
36
Base36
45otxv
md5
6512c8d8963d8b1933fd24317384f0f9
sha1
8df22e9f5e24a6832b550649f7567df8ea69fcb4
sha256
73a0c90cb07fac764ac839bd8f70cd137d6fe18e4a90b21db7ef5f0d2e9ef0da
sha512
22c8a9ed87d0b2e4705a678430139915c311d2b064fa6f663c24e1f658f846d00dde06727ba794666b45f155eefabbebdb5e0823e59eb70ec3b6c3aaf7601830
ripemd-160
039f332d4e4b3584b375b57820741219a2b5fcd3
Diameter
502842662
Circumference
1579726812.8507
Area
1.9858850895166E+17
Volume
6.6572516322576E+25
Surface area
7.9435403580664E+17
Circumference
1579726812.8507
Perimeter
1005685324
Area
63212685681811561
Diagonal
355563456.1701
Surface area
379276114090869366
Volume
1.5893017570206E+25
Space diagonal
435474519.39859
Perimeter
754263993
Area
2.7371895820945E+16
Altitude
217737259.6993
Surface area
2.7371895820945E+16
Volume
1.8730100829016E+24
Height
118521152.0567