215420908 is an even 9-digits composite number following 215420907
and preceding 215420909 . In scientific notation, it is written as 2.15420908 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 107660592 positive integers (up to 215420908) that are relatively prime to 215420908.
215420908 has 12 divisors, whose sum is 377161120
The reverse of 215420908 is 809024512
Previous prime number is 2389
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred fifteen million four hundred twenty thousand nine hundred eight
Scientific notation
2.15420908 × 10^8
Engineering notation
2.15420908 × 10^6
Prime Factorization
2 × 2 × 2389 × 22543
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
107710454
Product of the distinct prime numbers
The prime factorization of 215420908 is 2 × 2 × 2389 × 22543.
Since it has a total of 4 prime factors.
7 , 2 , 30 , 39 , 75 , 426 , 6990 , 7568 , 61313 , 61368 , 436116 , 881345 , 4064392 , 9769549 , 86866878 , 19200485 , 432726535 , 927274051 , 8896366218 , 750084330
n×2
430841816
n×3
646262724
n×4
861683632
n×5
1077104540
n÷2
107710454
n÷3
71806969.333333
n÷3
53855227
n÷5
43084181.6
n2
46406167603544464
n3
9.9968587619557E+24
n4
2.1535323916483E+33
n5
4.6391590321628E+41
2 √n
14677.224124473
3 √n
599.46332381128
4 √n
121.14959399219
5 √n
46.414916171247
1 , 2 , 4 , 2389 , 4778 , 9556 , 22543 , 45086 , 90172 , 53855227 , 107710454 , 215420908
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
-215420907
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 215420908 can be divided by 12 positive divisors.
The sum of these divisors (counting 215420908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100110101110000111111101100
3
Ternary
120000100111221011
4
Quaternary
30311300333230
5
Quinary
420121432113
6
Senary
33213115004
8
Octal
1465607754
10
Decimal
215420908
12
Duodecimal
60188a64
16
Hexadecimal
cd70fec
20
Vigesimal
3767c58
36
Base36
3k97u4
md5
86b5d39ff639139c5f3d5bcc8c968c3d
sha1
2b1f71f44aafacc5bcb13d2e7a354cb9734f5513
sha256
16414f07f1f199222852cb615f845f7d0e9e034018b52ded47dbce45dbc94065
sha512
adc5c733dd1cdce9eaa976cab1e03ee99979e8f9eff520d929e83859d9ff6125042d844bcc511a6d6daad28eb56d9e16fa3088772ae94933949b64266e783108
ripemd-160
096f653ca1ec761f90d2ac0d50bcb36ed10bcfb6
Diameter
430841816
Circumference
1353529484.0049
Area
1.4578927522455E+17
Volume
4.1874744060713E+25
Surface area
5.8315710089821E+17
Circumference
1353529484.0049
Perimeter
861683632
Area
46406167603544464
Diagonal
304651169.71233
Surface area
278437005621266784
Volume
9.9968587619557E+24
Space diagonal
373119957.66862
Perimeter
646262724
Area
2.0094460018474E+16
Altitude
186559978.83431
Surface area
2.0094460018474E+16
Volume
1.1781411035238E+24
Height
101550389.90411