21372904 is an even 8-digits composite number following 21372903
and preceding 21372905 . In scientific notation, it is written as 2.1372904 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 9159792 positive integers (up to 21372904) that are relatively prime to 21372904.
21372904 has 16 divisors, whose sum is 45799200
The reverse of 21372904 is 40927312
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three hundred seventy-two thousand nine hundred four
Scientific notation
2.1372904 × 10^7
Engineering notation
2.1372904 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 381659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5343226
Product of the distinct prime numbers
The prime factorization of 21372904 is 2 × 2 × 2 × 7 × 381659.
Since it has a total of 5 prime factors.
2 , 4 , 4 , 95 , 296 , 231 , 375 , 6432 , 13169 , 94206 , 260317 , 783808 , 6544615 , 9837233 , 79587022 , 25476879 , 261125085 , 508807632 , 109124821 , 7859599498
n×2
42745808
n×3
64118712
n×4
85491616
n×5
106864520
n÷2
10686452
n÷3
7124301.3333333
n÷3
5343226
n÷5
4274580.8
n2
456801025393216
n3
9.7631644628308E+21
n4
2.0866717680029E+29
n5
4.4598235377037E+36
2 √n
4623.0838192704
3 √n
277.51588362401
4 √n
67.993263043264
5 √n
29.2396861693
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 381659 , 763318 , 1526636 , 2671613 , 3053272 , 5343226 , 10686452 , 21372904
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
-21372903
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 21372904 can be divided by 16 positive divisors.
The sum of these divisors (counting 21372904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100001111111101000
3
Ternary
1111012212010001
4
Quaternary
1101201333220
5
Quinary
20432413104
6
Senary
2042032344
8
Octal
121417750
10
Decimal
21372904
12
Duodecimal
71a86b4
16
Hexadecimal
1461fe8
20
Vigesimal
6dbc54
36
Base36
cq3fs
md5
82ed947b2ee7a4360b7c7612ae0ce0bb
sha1
27fcd3031671f6a75e78283622c00dfa7edf1dc2
sha256
3e56edfd20213a4f0eb45f01175a1775b6add802c9868d816ccba5d7b85c0d4f
sha512
2688bddddc34341d601b95316f9f8ff3de7d33f7d5ecd593e9245e9a0cb14bbe6f2af0b146d528b1f42fc878c5da43154f96a734131ef0efce7ecae7ea7d2f09
ripemd-160
395a7a790af164ad29d09e562147f888a77f696d
Diameter
42745808
Circumference
134289916.38456
Area
1.4350827455276E+15
Volume
4.0895847669624E+22
Surface area
5.7403309821104E+15
Circumference
134289916.38456
Perimeter
85491616
Area
456801025393216
Diagonal
30225850.704098
Surface area
2740806152359296
Volume
9.7631644628308E+21
Space diagonal
37018955.633292
Perimeter
64118712
Area
1.9780064623265E+14
Altitude
18509477.816646
Surface area
1.9780064623265E+14
Volume
1.1505999662512E+21
Height
10075283.568033