252168981 is an odd 9-digits composite number following 252168980
and preceding 252168982 . In scientific notation, it is written as 2.52168981 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 168112652 positive integers (up to 252168981) that are relatively prime to 252168981.
252168981 has 4 divisors, whose sum is 336225312
The reverse of 252168981 is 189861252
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred fifty-two million one hundred sixty-eight thousand nine hundred eighty-one
Scientific notation
2.52168981 × 10^8
Engineering notation
2.52168981 × 10^6
Prime Factorization
3 × 84056327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
252168981
Product of the distinct prime numbers
The prime factorization of 252168981 is 3 × 84056327.
Since it has a total of 2 prime factors.
6 , 3 , 66 , 10 , 114 , 477 , 1386 , 26 , 24578 , 19974 , 728024 , 367591 , 6193707 , 5143144 , 59209189 , 26441988 , 769527223 , 792123684 , 1083393566 , 3911978634
n×2
504337962
n×3
756506943
n×4
1008675924
n×5
1260844905
n÷2
126084490.5
n÷3
84056327
n÷3
63042245.25
n÷5
50433796.2
n2
63589194978578361
n3
1.6035222500358E+25
n4
4.0435857180237E+33
n5
1.0196668901002E+42
2 √n
15879.829375658
3 √n
631.77711138962
4 √n
126.01519501892
5 √n
47.900310950475
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
-252168980
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 252168981 can be divided by 4 positive divisors.
The sum of these divisors (counting 252168981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111000001111100101100010101
3
Ternary
122120111111210220
4
Quaternary
33001330230111
5
Quinary
1004023401411
6
Senary
41004504553
8
Octal
1701745425
10
Decimal
252168981
12
Duodecimal
7054b159
16
Hexadecimal
f07cb15
20
Vigesimal
3ig1291
36
Base36
464utx
md5
727d0a0bd1e9fd6f79ea8fce7c60ec85
sha1
fafdae34fea5b540b427dd7eb5d28fd13b0ce60c
sha256
9c368c291288a12028e75d318ba2a7840e59c439eec424bc4c4bec0755d9cfee
sha512
e6dd6c9ef10a8a264b18b77f7d7468ab76024db4a2a037deb9891ae8fac1251e7fcd6a24bd5c043845210a07ec2cabec648db5c586ce8a9c6296b9b0aa810af9
ripemd-160
22104a1d2ef2b7e7bfc5336eaf9f9674e6a8bf6b
Diameter
504337962
Circumference
1584424436.3456
Area
1.9977134779239E+17
Volume
6.7168182941072E+25
Surface area
7.9908539116956E+17
Circumference
1584424436.3456
Perimeter
1008675924
Area
63589194978578361
Diagonal
356620792.94
Surface area
381535169871470166
Volume
1.6035222500358E+25
Space diagonal
436769487.18487
Perimeter
756506943
Area
2.7534929128825E+16
Altitude
218384743.59244
Surface area
2.7534929128825E+16
Volume
1.8897690946398E+24
Height
118873597.64667