21453090 is an even 8-digits composite number following 21453089
and preceding 21453091 . In scientific notation, it is written as 2.1453090 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 5322240 positive integers (up to 21453090) that are relatively prime to 21453090.
21453090 has 32 divisors, whose sum is 40001904
The reverse of 21453090 is 09035412
Previous prime number is 617
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million four hundred fifty-three thousand ninety
Scientific notation
2.1453090 × 10^7
Engineering notation
2.1453090 × 10^6
Prime Factorization
2 × 5 × 57 × 617 × 61
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21453090
Product of the distinct prime numbers
The prime factorization of 21453090 is 2 × 5 × 57 × 617 × 61.
Since it has a total of 5 prime factors.
10 , 5 , 42 , 59 , 115 , 526 , 738 , 8038 , 90540 , 67074 , 535432 , 28189 , 7483842 , 6027045 , 12171814 , 16076643 , 514678791 , 926932160 , 5023393361 , 8774557443
n×2
42906180
n×3
64359270
n×4
85812360
n×5
107265450
n÷2
10726545
n÷3
7151030
n÷3
5363272.5
n÷5
4290618
n2
460235070548100
n3
9.8734643896247E+21
n4
2.1181632016241E+29
n5
4.5441145799131E+36
2 √n
4631.7480501426
3 √n
277.86250813732
4 √n
68.056947111538
5 √n
29.261593372967
1 , 2 , 5 , 10 , 57 , 61 , 114 , 122 , 285 , 305 , 570 , 610 , 617 , 1234 , 3085 , 3477 , 6170 , 6954 , 17385 , 34770 , 35169 , 37637 , 70338 , 75274 , 175845 , 188185 , 351690 , 376370 , 2145309 , 4290618 , 10726545 , 21453090
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21453089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21453090 can be divided by 32 positive divisors.
The sum of these divisors (counting 21453090) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001110101100100100010
3
Ternary
1111100221002220
4
Quaternary
1101311210202
5
Quinary
20442444330
6
Senary
2043451510
8
Octal
121654442
10
Decimal
21453090
12
Duodecimal
7226b96
16
Hexadecimal
1475922
20
Vigesimal
6e1cea
36
Base36
crtb6
md5
007b409378b5bfdaf6ee8f9e1f509bbe
sha1
53ab5fd047888e67e93f8880e08d2bdcd69cc33e
sha256
49450d44a13c49ba30d966da12117b37fc401f6d16315fdc3ab435f3915ef675
sha512
e0bfd869bf2fe001d80cd54e5adcc557831f3b81036d230164fcaaf038a736e2758b0d5c0bc439c41ef1585308dd358aaf8d173399cb864c00d335c5b3e75dc9
ripemd-160
f1089cd2947cf5d000069fcd31472883ca0ea3f2
Diameter
42906180
Circumference
134793739.8816
Area
1.4458711165583E+15
Volume
4.1357870922567E+22
Surface area
5.7834844662332E+15
Circumference
134793739.8816
Perimeter
85812360
Area
460235070548100
Diagonal
30339250.832811
Surface area
2761410423288600
Volume
9.8734643896247E+21
Space diagonal
37157841.859348
Perimeter
64359270
Area
1.9928763140359E+14
Altitude
18578920.929674
Surface area
1.9928763140359E+14
Volume
1.1635989372846E+21
Height
10113083.610937