21497794 is an even 8-digits composite number following 21497793
and preceding 21497795 . In scientific notation, it is written as 2.1497794 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 10748896 positive integers (up to 21497794) that are relatively prime to 21497794.
21497794 has 4 divisors, whose sum is 32246694
The reverse of 21497794 is 49779412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million four hundred ninety-seven thousand seven hundred ninety-four
Scientific notation
2.1497794 × 10^7
Engineering notation
2.1497794 × 10^6
Prime Factorization
2 × 10748897
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21497794
Product of the distinct prime numbers
The prime factorization of 21497794 is 2 × 10748897.
Since it has a total of 2 prime factors.
5 , 2 , 33 , 97 , 992 , 771 , 5147 , 3150 , 36203 , 90564 , 185461 , 914518 , 7775076 , 6868501 , 28673733 , 88605270 , 612043679 , 85389009 , 6996838183 , 4496103992
n×2
42995588
n×3
64493382
n×4
85991176
n×5
107488970
n÷2
10748897
n÷3
7165931.3333333
n÷3
5374448.5
n÷5
4299558.8
n2
462155146866436
n3
9.9353161433744E+21
n4
2.1358737977514E+29
n5
4.5916574914057E+36
2 √n
4636.571362548
3 √n
278.05537775049
4 √n
68.092373747344
5 √n
29.273778296389
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
-21497793
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 21497794 can be divided by 4 positive divisors.
The sum of these divisors (counting 21497794) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000011111000010
3
Ternary
1111110012102121
4
Quaternary
1102000133002
5
Quinary
21000412134
6
Senary
2044434454
8
Octal
122003702
10
Decimal
21497794
12
Duodecimal
7248a2a
16
Hexadecimal
14807c2
20
Vigesimal
6e749e
36
Base36
csrsy
md5
76859e061bd9181d52aac250dcbec87d
sha1
d13503770aeb62039844da61f4c777695df475d6
sha256
2d99dbcddd3a065ec14b5905317ddf5e968deaf64aaabde4da48ca8656d06871
sha512
689cebd63ca859bc4b7ff615b417c939fff6671082fe251b381e92115639cb7fbe598a4dc8e46c8b7a720f9a4df7b5dcda204dbf82782fcfa57971eb3b7567f1
ripemd-160
9dee188210378770c1ed05f3a0e6ad7c56143249
Diameter
42995588
Circumference
135074623.39757
Area
1.4519032142143E+15
Volume
4.1616954942823E+22
Surface area
5.8076128568572E+15
Circumference
135074623.39757
Perimeter
85991176
Area
462155146866436
Diagonal
30402471.835903
Surface area
2772930881198616
Volume
9.9353161433744E+21
Space diagonal
37235271.458649
Perimeter
64493382
Area
2.0011904883803E+14
Altitude
18617635.729325
Surface area
2.0011904883803E+14
Volume
1.1708882363687E+21
Height
10134157.278634