21743921 is an odd 8-digits prime number following 21743920
and preceding 21743922 . In scientific notation, it is written as 2.1743921 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21743920 positive integers (up to 21743921) that are relatively prime to 21743921.
21743921 has 2 divisors, whose sum is 21743922
The reverse of 21743921 is 12934712
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million seven hundred forty-three thousand nine hundred twenty-one
Scientific notation
2.1743921 × 10^7
Engineering notation
2.1743921 × 10^6
Prime Factorization
21743921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21743921
Product of the distinct prime numbers
The prime factorization of 21743921 is 21743921.
Since it has a total of 1 prime factors.
5 , 4 , 77 , 23 , 845 , 650 , 2589 , 5321 , 84984 , 76036 , 713202 , 309126 , 8485424 , 2195277 , 51004952 , 72505840 , 495970130 , 482889141 , 5209341720 , 2632402682
n×2
43487842
n×3
65231763
n×4
86975684
n×5
108719605
n÷2
10871960.5
n÷3
7247973.6666667
n÷3
5435980.25
n÷5
4348784.2
n2
472798100454241
n3
1.0280484545227E+22
n4
2.2353804379314E+29
n5
4.8605935647325E+36
2 √n
4663.0377437889
3 √n
279.11250029008
4 √n
68.286438944998
5 √n
29.340504174712
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21743922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10871961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4663.0378510152
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999080203
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21743921 can be divided by 2 positive divisors.
The sum of these divisors (counting 21743921) is 21743922, the average is 10871961.
Base
System
Value
2
Binary
1010010111100100100110001
3
Ternary
1111220201001102
4
Quaternary
1102330210301
5
Quinary
21031301141
6
Senary
2054014145
8
Octal
122744461
10
Decimal
21743921
12
Duodecimal
7347355
16
Hexadecimal
14bc931
20
Vigesimal
6fhjg1
36
Base36
cy1pt
md5
d1d3636b31561d3f83b68de1b559565a
sha1
18cbf64b72006dd95479dc31935e8dbf086ea602
sha256
0e09929adac45db13fabe3d18c13d832824e09ffd1617e76571f68a64c8eae22
sha512
6cdcfab16e848fb02ea06a6e72255569e2f4c66ae39db2baa3f6012cba7a6e81f776b312f7635b7c46171b399f4455cb3e26f944661647aa96c53abf28d4d274
ripemd-160
99d47d180c10f8bdf697c7eb5e155aaf8db5a97e
Diameter
43487842
Circumference
136621084.94767
Area
1.4853390390183E+15
Volume
4.3062792963505E+22
Surface area
5.941356156073E+15
Circumference
136621084.94767
Perimeter
86975684
Area
472798100454241
Diagonal
30750547.977369
Surface area
2836788602725446
Volume
1.0280484545227E+22
Space diagonal
37661575.927764
Perimeter
65231763
Area
2.047275829272E+14
Altitude
18830787.963882
Surface area
2.047275829272E+14
Volume
1.2115667226356E+21
Height
10250182.659123