21494497 is an odd 8-digits prime number following 21494496
and preceding 21494498 . In scientific notation, it is written as 2.1494497 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 21494496 positive integers (up to 21494497) that are relatively prime to 21494497.
21494497 has 2 divisors, whose sum is 21494498
The reverse of 21494497 is 79449412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
twenty-one million four hundred ninety-four thousand four hundred ninety-seven
Scientific notation
2.1494497 × 10^7
Engineering notation
2.1494497 × 10^6
Prime Factorization
21494497
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21494497 Product of the distinct prime numbers
The prime factorization of 21494497 is 21494497.
Since it has a total of 1 prime factors.
1 , 7 , 49 , 2 , 955 , 677 , 8812 , 9849 , 28681 , 74328 , 598861 , 216326 , 9869587 , 2098552 , 19441288 , 48417431 , 952577946 , 181853147 , 9008674766 , 9692692837
n×2
42988994
n×3
64483491
n×4
85977988
n×5
107472485
n÷2
10747248.5
n÷3
7164832.3333333
n÷3
5373624.25
n÷5
4298899.4
n2
462013401283009
n3
9.9307456678374E+21
n4
2.1345638296509E+29
n5
4.5881375832741E+36
2 √n4636.2158060211
3 √n278.04116240898
4 √n68.089762857724
5 √n29.272880329198
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21494498 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10747249 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4636.2159138677 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069529 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21494497 can be divided by 2 positive divisors.
The sum of these divisors (counting 21494497) is 21494498, the average is 10747249.
Base
System
Value
2
Binary
1010001111111101011100001
3
Ternary
1111110000220111
4
Quaternary
1101333223201
5
Quinary
21000310442
6
Senary
2044411321
8
Octal
121775341
10
Decimal
21494497
12
Duodecimal
7246b41
16
Hexadecimal
147fae1
20
Vigesimal
6e6g4h
36
Base36
csp9d
md5
d4e50e966cbbf83ea6d4d6818b74efac
sha1
03f4d66cdf398249cfaa5b6101cddead990a3a5d
sha256
4547afefea03ed4c61b9ce67f16a777658626db6f29df6afed380a584ccfb796
sha512
91f85de7c5b336e35c86c0ba7a4cd07eaf486989ef616fe699e40174496b09e8a0c6a3bc8ef1ccd145a5e84e1f0d0e9323644233e1ea22ce572867a79def2e78
ripemd-160
2032f84bf19659c97317f2cdbe1e2982bb30a330
Diameter
42988994
Circumference
135053907.73562
Area
1.4514579073307E+15
Volume
4.1597810179662E+22
Surface area
5.8058316293229E+15
Circumference
135053907.73562
Perimeter
85977988
Area
462013401283009
Diagonal
30397809.173788
Surface area
2772080407698054
Volume
9.9307456678374E+21
Space diagonal
37229560.887137
Perimeter
64483491
Area
2.0005767119997E+14
Altitude
18614780.443568
Surface area
2.0005767119997E+14
Volume
1.1703496006611E+21
Height
10132603.057929