21490697 is an odd 8-digits prime number following 21490696
and preceding 21490698 . In scientific notation, it is written as 2.1490697 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 21490696 positive integers (up to 21490697) that are relatively prime to 21490697.
21490697 has 2 divisors, whose sum is 21490698
The reverse of 21490697 is 79609412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety thousand six hundred ninety-seven
Scientific notation
2.1490697 × 10^7
Engineering notation
2.1490697 × 10^6
Prime Factorization
21490697
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21490697
Product of the distinct prime numbers
The prime factorization of 21490697 is 21490697.
Since it has a total of 1 prime factors.
6 , 1 , 11 , 39 , 650 , 213 , 4539 , 4629 , 9568 , 51464 , 563788 , 800495 , 468016 , 9752326 , 6611890 , 15199824 , 648706591 , 120585089 , 3322285459 , 343454211
n×2
42981394
n×3
64472091
n×4
85962788
n×5
107453485
n÷2
10745348.5
n÷3
7163565.6666667
n÷3
5372674.25
n÷5
4298139.4
n2
461850057545809
n3
9.9254796461495E+21
n4
2.1330547565507E+29
n5
4.5840833457439E+36
2 √n
4635.8059709181
3 √n
278.02477652991
4 √n
68.086753270501
5 √n
29.271845228797
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21490698
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10745349
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4635.8060787742
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069365
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21490697 can be divided by 2 positive divisors.
The sum of these divisors (counting 21490697) is 21490698, the average is 10745349.
Base
System
Value
2
Binary
1010001111110110000001001
3
Ternary
1111102211200202
4
Quaternary
1101332300021
5
Quinary
21000200242
6
Senary
2044341545
8
Octal
121766011
10
Decimal
21490697
12
Duodecimal
72448b5
16
Hexadecimal
147ec09
20
Vigesimal
6e66eh
36
Base36
csmbt
md5
a81d8ef66b3c77deca0dc6942ff5d7db
sha1
2e7cbc68c03d51979826a42c9f811da7350130fa
sha256
7044c88ed08223488fbebb1a7e9ad86bb8ac7533eed3bd756de698b7804b2bb9
sha512
8795075f278139720a5c691b875221159d6b3517073890077c472dcfe1b1a907c21cbcacb08659bbbdc1a6d568c2be35082c6a4b504391adc9e2d8e71b3527dd
ripemd-160
bc6863c178bc7e56ce457156287a08c8ab9e8254
Diameter
42981394
Circumference
135030031.63145
Area
1.4509447478459E+15
Volume
4.1575751919598E+22
Surface area
5.8037789913837E+15
Circumference
135030031.63145
Perimeter
85962788
Area
461850057545809
Diagonal
30392435.162251
Surface area
2771100345274854
Volume
9.9254796461495E+21
Space diagonal
37222979.094068
Perimeter
64472091
Area
1.9998694128699E+14
Altitude
18611489.547034
Surface area
1.9998694128699E+14
Volume
1.1697289940536E+21
Height
10130811.72075