21490954 is an even 8-digits composite number following 21490953
and preceding 21490955 . In scientific notation, it is written as 2.1490954 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10745476 positive integers (up to 21490954) that are relatively prime to 21490954.
21490954 has 4 divisors, whose sum is 32236434
The reverse of 21490954 is 45909412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety thousand nine hundred fifty-four
Scientific notation
2.1490954 × 10^7
Engineering notation
2.1490954 × 10^6
Prime Factorization
2 × 10745477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21490954
Product of the distinct prime numbers
The prime factorization of 21490954 is 2 × 10745477.
Since it has a total of 2 prime factors.
3 , 5 , 3 , 94 , 95 , 555 , 8076 , 2902 , 90967 , 57158 , 410624 , 933762 , 6890321 , 6660915 , 78808863 , 9406579 , 464111091 , 546192688 , 8097438160 , 316767730
n×2
42981908
n×3
64472862
n×4
85963816
n×5
107454770
n÷2
10745477
n÷3
7163651.3333333
n÷3
5372738.5
n÷5
4298190.8
n2
461861103830116
n3
9.9258357368022E+21
n4
2.1331567923117E+29
n5
4.5843574498359E+36
2 √n
4635.8336898556
3 √n
278.02588479368
4 √n
68.08695682622
5 √n
29.271915238888
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
-21490953
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 21490954 can be divided by 4 positive divisors.
The sum of these divisors (counting 21490954) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111110110100001010
3
Ternary
1111102212001021
4
Quaternary
1101332310022
5
Quinary
21000202304
6
Senary
2044343054
8
Octal
121766412
10
Decimal
21490954
12
Duodecimal
7244a8a
16
Hexadecimal
147ed0a
20
Vigesimal
6e677e
36
Base36
csmiy
md5
9339d0e248da4e5a10625b8789964ab3
sha1
d263199a76bb90921417092e73a4696df3c21990
sha256
cb47765f9cdad03c2ee791f22d64e1c2e6ce310a6e21faad61bedc1d5d54591c
sha512
4ce1aac8aa70b6230036e45fffc3f0f43dbc3f61acd0677205c70213c92e179df8f577be2d2997c4d091343ed366f6ae3eb38aefba7eee847c6ffb73a462ec87
ripemd-160
4ce3f2f6eafc901bc8047e7255c7a3ea8e11107e
Diameter
42981908
Circumference
135031646.41007
Area
1.4509794507716E+15
Volume
4.1577243508636E+22
Surface area
5.8039178030863E+15
Circumference
135031646.41007
Perimeter
85963816
Area
461861103830116
Diagonal
30392798.615136
Surface area
2771166622980696
Volume
9.9258357368022E+21
Space diagonal
37223424.231126
Perimeter
64472862
Area
1.999917244684E+14
Altitude
18611712.115563
Surface area
1.999917244684E+14
Volume
1.1697709597394E+21
Height
10130932.871712