21932721 is an odd 8-digits composite number following 21932720
and preceding 21932722 . In scientific notation, it is written as 2.1932721 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 14541840 positive integers (up to 21932721) that are relatively prime to 21932721.
21932721 has 16 divisors, whose sum is 32670720
The reverse of 21932721 is 12723912
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million nine hundred thirty-two thousand seven hundred twenty-one
Scientific notation
2.1932721 × 10^7
Engineering notation
2.1932721 × 10^6
Prime Factorization
3 × 3 × 3 × 191 × 4253
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2436969
Product of the distinct prime numbers
The prime factorization of 21932721 is 3 × 3 × 3 × 191 × 4253.
Since it has a total of 5 prime factors.
8 , 9 , 48 , 65 , 761 , 490 , 2081 , 4159 , 79370 , 2907 , 60356 , 701083 , 6300092 , 2021209 , 55965619 , 52222072 , 179362208 , 163353773 , 2643454819 , 8720426149
n×2
43865442
n×3
65798163
n×4
87730884
n×5
109663605
n÷2
10966360.5
n÷3
7310907
n÷3
5483180.25
n÷5
4386544.2
n2
481044250463841
n3
1.0550609334078E+22
n4
2.3140357090432E+29
n5
5.0753099590481E+36
2 √n
4683.2383027132
3 √n
279.91800745501
4 √n
68.434189574461
5 √n
29.391280180751
1 , 3 , 9 , 27 , 191 , 573 , 1719 , 4253 , 5157 , 12759 , 38277 , 114831 , 812323 , 2436969 , 7310907 , 21932721
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
-21932720
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 21932721 can be divided by 16 positive divisors.
The sum of these divisors (counting 21932721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011101010101010110001
3
Ternary
1112021022001000
4
Quaternary
1103222222301
5
Quinary
21103321341
6
Senary
2102032213
8
Octal
123525261
10
Decimal
21932721
12
Duodecimal
7418669
16
Hexadecimal
14eaab1
20
Vigesimal
6h1bg1
36
Base36
d23e9
md5
394291591d572bf8b6109ed6d9aa2def
sha1
ce8518dceb6fba798e79fe40c2f629d4bc1a54ab
sha256
0aa43acc419f824adb933437c9f97c9ceb9c225d94066a2205471d709fa9e921
sha512
e90bf994f880d49abc1cdb75cf1abeb9fb66df4b3d65320fa7f5e078b7166712a0debb7516392aaa773a74edc81ed7f8d77717c43dec5dc878c0c6b3d26afa2a
ripemd-160
e502330f01366070b53d9d4a9200d52ae8519b9e
Diameter
43865442
Circumference
137807350.33367
Area
1.5112450833088E+15
Volume
4.4194289033112E+22
Surface area
6.0449803332352E+15
Circumference
137807350.33367
Perimeter
87730884
Area
481044250463841
Diagonal
31017551.497945
Surface area
2886265502783046
Volume
1.0550609334078E+22
Space diagonal
37988587.120233
Perimeter
65798163
Area
2.0829827062307E+14
Altitude
18994293.560116
Surface area
2.0829827062307E+14
Volume
1.2434012342961E+21
Height
10339183.832648