21038961 is an odd 8-digits composite number following 21038960
and preceding 21038962 . In scientific notation, it is written as 2.1038961 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 13795920 positive integers (up to 21038961) that are relatively prime to 21038961.
21038961 has 8 divisors, whose sum is 28512064
The reverse of 21038961 is 16983012
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million thirty-eight thousand nine hundred sixty-one
Scientific notation
2.1038961 × 10^7
Engineering notation
2.1038961 × 10^6
Prime Factorization
3 × 61 × 114967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21038961
Product of the distinct prime numbers
The prime factorization of 21038961 is 3 × 61 × 114967.
Since it has a total of 3 prime factors.
7 , 2 , 71 , 24 , 265 , 808 , 8866 , 6480 , 11527 , 57791 , 750033 , 886781 , 9638150 , 6015991 , 24210602 , 57673052 , 450133353 , 539845837 , 2452012212 , 6891492172
n×2
42077922
n×3
63116883
n×4
84155844
n×5
105194805
n÷2
10519480.5
n÷3
7012987
n÷3
5259740.25
n÷5
4207792.2
n2
442637879959521
n3
9.312641093591E+21
n4
1.9592829277506E+29
n5
4.1221277104911E+36
2 √n
4586.8247186916
3 √n
276.06293198431
4 √n
67.726100719675
5 √n
29.147738039036
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
-21038960
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 21038961 can be divided by 8 positive divisors.
The sum of these divisors (counting 21038961) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000010000011101110001
3
Ternary
1110120220000210
4
Quaternary
1100100131301
5
Quinary
20341221321
6
Senary
2030534333
8
Octal
120203561
10
Decimal
21038961
12
Duodecimal
70673a9
16
Hexadecimal
1410771
20
Vigesimal
6b9h81
36
Base36
cixrl
md5
c4f7049cc5fe7ba27ea2eb5483e14b33
sha1
10de2bf54b5025d84c5159ace11d2fa4eba4b6c5
sha256
ded8063a78df6df59c5c6569b2e193d8969c788655c1dc710a6ba1b05dfa6beb
sha512
ad809274398bc12d894734ea9d91691b4f415111e8b9df094873a44477808c6be5c5fa1936fab32254c9b1e0c81f948ca7aff0787cab64cd1844299c2f862044
ripemd-160
0b8021d972891b90c467ef2dc91c76c0d4ae1ecb
Diameter
42077922
Circumference
132191690.63352
Area
1.3905879118814E+15
Volume
3.9008699793525E+22
Surface area
5.5623516475256E+15
Circumference
132191690.63352
Perimeter
84155844
Area
442637879959521
Diagonal
29753583.984439
Surface area
2655827279757126
Volume
9.312641093591E+21
Space diagonal
36440549.39046
Perimeter
63116883
Area
1.9166782436112E+14
Altitude
18220274.69523
Surface area
1.9166782436112E+14
Volume
1.0975052780058E+21
Height
9917861.3281462