21462890 is an even 8-digits composite number following 21462889
and preceding 21462891 . In scientific notation, it is written as 2.1462890 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 8585152 positive integers (up to 21462890) that are relatively prime to 21462890.
21462890 has 8 divisors, whose sum is 38633220
The reverse of 21462890 is 09826412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred sixty-two thousand eight hundred ninety
Scientific notation
2.1462890 × 10^7
Engineering notation
2.1462890 × 10^6
Prime Factorization
2 × 5 × 2146289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21462890
Product of the distinct prime numbers
The prime factorization of 21462890 is 2 × 5 × 2146289.
Since it has a total of 3 prime factors.
5 , 1 , 25 , 74 , 810 , 668 , 1616 , 5514 , 31182 , 64420 , 238688 , 152359 , 7666313 , 9287030 , 98006452 , 78857087 , 436297942 , 467119621 , 3081413756 , 3844630236
n×2
42925780
n×3
64388670
n×4
85851560
n×5
107314450
n÷2
10731445
n÷3
7154296.6666667
n÷3
5365722.5
n÷5
4292578
n2
460655647152100
n3
9.8870014827043E+21
n4
2.1220362525312E+29
n5
4.5545030664089E+36
2 √n
4632.8058452735
3 √n
277.90481188074
4 √n
68.064718065041
5 √n
29.264266286106
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
-21462889
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 21462890 can be divided by 8 positive divisors.
The sum of these divisors (counting 21462890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110111111101101010
3
Ternary
1111101102112212
4
Quaternary
1101313331222
5
Quinary
20443303030
6
Senary
2044005122
8
Octal
121677552
10
Decimal
21462890
12
Duodecimal
72307a2
16
Hexadecimal
1477f6a
20
Vigesimal
6e2h4a
36
Base36
cs0ve
md5
ccbf837e745a36c20acaba0a80321690
sha1
f71a147c9c9980bc8e29ca33f4d4175ffb58299d
sha256
d9f39c413672449bae273014cbc95ebf30ce408eab93eceb841bd7df678a74aa
sha512
7032b45ff69ab49b2c9dc49208654c3a7d09fa5c25dd9463ccdb134e755dd73d43aec3f5181a12ca402ef70bc2c70c1f237e76424dd18612f829c4fb3bf3ada1
ripemd-160
7f4524170bf3f779fb68a01b3a0b127961799425
Diameter
42925780
Circumference
134855315.09761
Area
1.4471923969277E+15
Volume
4.141457496546E+22
Surface area
5.7887695877108E+15
Circumference
134855315.09761
Perimeter
85851560
Area
460655647152100
Diagonal
30353110.125722
Surface area
2763933882912600
Volume
9.8870014827043E+21
Space diagonal
37174815.957262
Perimeter
64388670
Area
1.9946974641524E+14
Altitude
18587407.978631
Surface area
1.9946974641524E+14
Volume
1.1651942990036E+21
Height
10117703.375241