21373428 is an even 8-digits composite number following 21373427
and preceding 21373429 . In scientific notation, it is written as 2.1373428 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 7124472 positive integers (up to 21373428) that are relatively prime to 21373428.
21373428 has 12 divisors, whose sum is 49871360
The reverse of 21373428 is 82437312
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million three hundred seventy-three thousand four hundred twenty-eight
Scientific notation
2.1373428 × 10^7
Engineering notation
2.1373428 × 10^6
Prime Factorization
2 × 2 × 3 × 1781119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10686714
Product of the distinct prime numbers
The prime factorization of 21373428 is 2 × 2 × 3 × 1781119.
Since it has a total of 4 prime factors.
1 , 4 , 69 , 54 , 575 , 626 , 1602 , 2450 , 61766 , 29880 , 481085 , 492669 , 9887850 , 2777432 , 93051196 , 8076660 , 348418119 , 512102375 , 7589990835 , 4491484618
n×2
42746856
n×3
64120284
n×4
85493712
n×5
106867140
n÷2
10686714
n÷3
7124476
n÷3
5343357
n÷5
4274685.6
n2
456823424471184
n3
9.7638825716483E+21
n4
2.0868764114558E+29
n5
4.4603702725149E+36
2 √n
4623.1404910515
3 √n
277.51815156
4 √n
67.993679787547
5 √n
29.239829541911
1 , 2 , 3 , 4 , 6 , 12 , 1781119 , 3562238 , 5343357 , 7124476 , 10686714 , 21373428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21373427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21373428 can be divided by 12 positive divisors.
The sum of these divisors (counting 21373428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001100010000111110100
3
Ternary
1111012212211110
4
Quaternary
1101202013310
5
Quinary
20432422203
6
Senary
2042035020
8
Octal
121420764
10
Decimal
21373428
12
Duodecimal
71a8a70
16
Hexadecimal
14621f4
20
Vigesimal
6dbdb8
36
Base36
cq3uc
md5
b6eac6a31132708c62cafa641ff6f61e
sha1
06bc03cf205ff7b7ea4993fba65b0ded2731011a
sha256
e065d4f2efe6bc7c5b438049615496b8ee56c91712050738c69fa6b2e00f5839
sha512
1fff78151956c5a43a40563dfc84c1b016c9883bfd631feefae973424c31fcb5048ef2735e9f267affc10eca5fcd533e40e87782a3c65df3ea4bd13b475b7359
ripemd-160
4758758b9ab7c9bc6264728ad6649a396e7d2cd3
Diameter
42746856
Circumference
134293208.77366
Area
1.4351531143064E+15
Volume
4.0898855676805E+22
Surface area
5.7406124572256E+15
Circumference
134293208.77366
Perimeter
85493712
Area
456823424471184
Diagonal
30226591.752005
Surface area
2740940546827104
Volume
9.7638825716483E+21
Space diagonal
37019863.227915
Perimeter
64120284
Area
1.9781034531792E+14
Altitude
18509931.613958
Surface area
1.9781034531792E+14
Volume
1.1506845961869E+21
Height
10075530.584002