21534420 is an even 8-digits composite number following 21534419
and preceding 21534421 . In scientific notation, it is written as 2.1534420 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 5742496 positive integers (up to 21534420) that are relatively prime to 21534420.
21534420 has 24 divisors, whose sum is 60296544
The reverse of 21534420 is 02443512
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million five hundred thirty-four thousand four hundred twenty
Scientific notation
2.1534420 × 10^7
Engineering notation
2.1534420 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 358907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10767210
Product of the distinct prime numbers
The prime factorization of 21534420 is 2 × 2 × 3 × 5 × 358907.
Since it has a total of 5 prime factors.
8 , 5 , 48 , 73 , 61 , 363 , 808 , 7536 , 8205 , 33889 , 701787 , 236700 , 5283211 , 9547171 , 85981451 , 56127526 , 287695808 , 651294446 , 809813002 , 204872425
n×2
43068840
n×3
64603260
n×4
86137680
n×5
107672100
n÷2
10767210
n÷3
7178140
n÷3
5383605
n÷5
4306884
n2
463731244736400
n3
9.9861833912764E+21
n4
2.1504666734477E+29
n5
4.6309052542026E+36
2 √n
4640.5193674846
3 √n
278.21319670585
4 √n
68.121357645636
5 √n
29.283746309624
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 358907 , 717814 , 1076721 , 1435628 , 1794535 , 2153442 , 3589070 , 4306884 , 5383605 , 7178140 , 10767210 , 21534420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21534419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21534420 can be divided by 24 positive divisors.
The sum of these divisors (counting 21534420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010010001001011011010100
3
Ternary
1111112001200010
4
Quaternary
1102021123110
5
Quinary
21003100140
6
Senary
2045320220
8
Octal
122113324
10
Decimal
21534420
12
Duodecimal
7266070
16
Hexadecimal
14896d4
20
Vigesimal
6ebg10
36
Base36
ctk2c
md5
00df4c8fe550190bdd1aeaa342068812
sha1
db322e94e94d0846e87ab8939a8143f800123f3f
sha256
b5638156e43dc83e9743011544770379ea1f0684aac6d1e2e5da3fd65b532cf3
sha512
307906c1997b7950b7ef39b61d7ed7b39c81f0816b638b7a5268b78bb753e321786f74d041541bbb040da4ed8e849d05b4d2c1c6a85056ee62d49f116e2af23d
ripemd-160
b9a1e3069183683e5abe66484b6aabb71e56cba3
Diameter
43068840
Circumference
135304751.34263
Area
1.4568546717039E+15
Volume
4.1830027172579E+22
Surface area
5.8274186868157E+15
Circumference
135304751.34263
Perimeter
86137680
Area
463731244736400
Diagonal
30454268.821838
Surface area
2782387468418400
Volume
9.9861833912764E+21
Space diagonal
37298709.551527
Perimeter
64603260
Area
2.0080151923515E+14
Altitude
18649354.775764
Surface area
2.0080151923515E+14
Volume
1.176882999024E+21
Height
10151422.940613