21491633 is an odd 8-digits prime number following 21491632
and preceding 21491634 . In scientific notation, it is written as 2.1491633 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21491632 positive integers (up to 21491633) that are relatively prime to 21491633.
21491633 has 2 divisors, whose sum is 21491634
The reverse of 21491633 is 33619412
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 29 Digital Root 2
Name
twenty-one million four hundred ninety-one thousand six hundred thirty-three
Scientific notation
2.1491633 × 10^7
Engineering notation
2.1491633 × 10^6
Prime Factorization
21491633
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21491633 Product of the distinct prime numbers
The prime factorization of 21491633 is 21491633.
Since it has a total of 1 prime factors.
4 , 6 , 21 , 56 , 49 , 93 , 9552 , 823 , 45331 , 54798 , 906544 , 795382 , 9863994 , 5286783 , 61717442 , 34561822 , 606976272 , 93439080 , 7604584046 , 7118247624
n×2
42983266
n×3
64474899
n×4
85966532
n×5
107458165
n÷2
10745816.5
n÷3
7163877.6666667
n÷3
5372908.25
n÷5
4298326.6
n2
461890289006689
n3
9.9267765775957E+21
n4
2.1334263907868E+29
n5
4.5850817023305E+36
2 √n4635.9069231381
3 √n278.02881280993
4 √n68.087494616399
5 √n29.27210020396
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21491634 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10745817 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4635.9070309919 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999069405 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21491633 can be divided by 2 positive divisors.
The sum of these divisors (counting 21491633) is 21491634, the average is 10745817.
Base
System
Value
2
Binary
1010001111110111110110001
3
Ternary
1111102212222102
4
Quaternary
1101332332301
5
Quinary
21000213013
6
Senary
2044350145
8
Octal
121767661
10
Decimal
21491633
12
Duodecimal
7245355
16
Hexadecimal
147efb1
20
Vigesimal
6e691d
36
Base36
csn1t
md5
5e2efc9d877d7b57a937e6ff504aece3
sha1
4af5c275ab7c661379ad96d4c89e73b3d26c4900
sha256
b61e366de7c04ed3eadc6be8e1c0509210350f35197c91fbe18298b9b28ba212
sha512
859d14834323c27ad45f35a8246de4ed61fe78d70ea65f5cb7cf97aef1e06a3a3e5e293adfc6c31c18bb14a8b86c8f600c123c401054963be7eb2ecb80624032
ripemd-160
0a2e06664275af73a51d6b50cf1c09c8006a738b
Diameter
42983266
Circumference
135035912.6929
Area
1.4510711387079E+15
Volume
4.1581184493336E+22
Surface area
5.8042845548315E+15
Circumference
135035912.6929
Perimeter
85966532
Area
461890289006689
Diagonal
30393758.866145
Surface area
2771341734040134
Volume
9.9267765775957E+21
Space diagonal
37224600.293624
Perimeter
64474899
Area
2.0000436202056E+14
Altitude
18612300.146812
Surface area
2.0000436202056E+14
Volume
1.1698818388903E+21
Height
10131252.955382