21388326 is an even 8-digits composite number following 21388325
and preceding 21388327 . In scientific notation, it is written as 2.1388326 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 6779040 positive integers (up to 21388326) that are relatively prime to 21388326.
21388326 has 16 divisors, whose sum is 32994000
The reverse of 21388326 is 62388312
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million three hundred eighty-eight thousand three hundred twenty-six
Scientific notation
2.1388326 × 10^7
Engineering notation
2.1388326 × 10^6
Prime Factorization
2 × 93 × 59 × 1949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21388326
Product of the distinct prime numbers
The prime factorization of 21388326 is 2 × 93 × 59 × 1949.
Since it has a total of 4 prime factors.
5 , 7 , 61 , 77 , 541 , 686 , 2559 , 4278 , 71609 , 96186 , 428862 , 13935 , 3318830 , 7469498 , 27231240 , 33200457 , 758532178 , 815860214 , 4491977882 , 1575651158
n×2
42776652
n×3
64164978
n×4
85553304
n×5
106941630
n÷2
10694163
n÷3
7129442
n÷3
5347081.5
n÷5
4277665.2
n2
457460489082276
n3
9.7843140726112E+21
n4
2.092700990714E+29
n5
4.4759371009913E+36
2 √n
4624.751452781
3 √n
277.58261642066
4 √n
68.005525163629
5 √n
29.243904635303
1 , 2 , 59 , 93 , 118 , 186 , 1949 , 3898 , 5487 , 10974 , 114991 , 181257 , 229982 , 362514 , 10694163 , 21388326
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21388325
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21388326 can be divided by 16 positive divisors.
The sum of these divisors (counting 21388326) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100101110000100110
3
Ternary
1111020122021020
4
Quaternary
1101211300212
5
Quinary
20433411301
6
Senary
2042232010
8
Octal
121456046
10
Decimal
21388326
12
Duodecimal
71b5606
16
Hexadecimal
1465c26
20
Vigesimal
6ddag6
36
Base36
cqfc6
md5
db2e88450194e571b72d117e3fde9764
sha1
58a87c19b8f664adca77b7c347809c98a2959419
sha256
60374b794bdb1ebe5857466a906f69c0010549dffa1fa3ccd1dae66952f49a93
sha512
f532b4886d6d2f332abb3efc3f2a75c7fda1d2f5ae5113f292046ebe08bedb3c43f30cc648ba0da9d230331a042ceaf3f42e4f674c4aaaa4e9e3aa58da98c2a5
ripemd-160
0b70ce3f405af54ae83b885fe573e689afc84f56
Diameter
42776652
Circumference
134386815.66837
Area
1.4371545118085E+15
Volume
4.0984438947907E+22
Surface area
5.7486180472339E+15
Circumference
134386815.66837
Perimeter
85553304
Area
457460489082276
Diagonal
30247660.705657
Surface area
2744762934493656
Volume
9.7843140726112E+21
Space diagonal
37045667.320846
Perimeter
64164978
Area
1.9808620238645E+14
Altitude
18522833.660423
Surface area
1.9808620238645E+14
Volume
1.1530924716671E+21
Height
10082553.568552