21491135 is an odd 8-digits composite number following 21491134
and preceding 21491136 . In scientific notation, it is written as 2.1491135 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 17176320 positive integers (up to 21491135) that are relatively prime to 21491135.
21491135 has 8 divisors, whose sum is 25814256
The reverse of 21491135 is 53119412
Previous prime number is 2131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety-one thousand one hundred thirty-five
Scientific notation
2.1491135 × 10^7
Engineering notation
2.1491135 × 10^6
Prime Factorization
5 × 2131 × 2017
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21491135
Product of the distinct prime numbers
The prime factorization of 21491135 is 5 × 2131 × 2017.
Since it has a total of 3 prime factors.
4 , 8 , 58 , 14 , 463 , 687 , 2743 , 6071 , 72635 , 30284 , 500461 , 482939 , 3151613 , 2753134 , 50794668 , 41260239 , 63219724 , 301797652 , 464868158 , 4041012947
n×2
42982270
n×3
64473405
n×4
85964540
n×5
107455675
n÷2
10745567.5
n÷3
7163711.6666667
n÷3
5372783.75
n÷5
4298227
n2
461868883588225
n3
9.9260865294938E+21
n4
2.1332286562703E+29
n5
4.5845505037774E+36
2 √n
4635.8532116537
3 √n
278.02666531656
4 √n
68.087100185378
5 √n
29.271964545204
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
-21491134
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 21491135 can be divided by 8 positive divisors.
The sum of these divisors (counting 21491135) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111110110110111111
3
Ternary
1111102212021222
4
Quaternary
1101332312333
5
Quinary
21000204020
6
Senary
2044343555
8
Octal
121766677
10
Decimal
21491135
12
Duodecimal
7244bbb
16
Hexadecimal
147edbf
20
Vigesimal
6e67gf
36
Base36
csmnz
md5
28ff010a30cf69aba2ca1dad9d79b378
sha1
b516a988272cf95f1b2c66580fa59585cda6fb77
sha256
d8bb713ca04d95f126020de1fb30f4008f74a2e85e5607c9196bbf134ad9791c
sha512
7c4d1c4b2567cc5ffb467ca61f0af741f99fbad602c9e556f80cf3fb0aee3a802c870b449c290db8ea7eaff836c446d703f343bcad93e9b0dede6c244df12ec8
ripemd-160
81dc122ef215d71f8ad79e9058875e35bc00e765
Diameter
42982270
Circumference
135032783.66661
Area
1.4510038916025E+15
Volume
4.1578294026606E+22
Surface area
5.8040155664099E+15
Circumference
135032783.66661
Perimeter
85964540
Area
461868883588225
Diagonal
30393054.587791
Surface area
2771213301529350
Volume
9.9260865294938E+21
Space diagonal
37223737.732322
Perimeter
64473405
Area
1.9999509320248E+14
Altitude
18611868.866161
Surface area
1.9999509320248E+14
Volume
1.1698005159416E+21
Height
10131018.19593