21974789 is an odd 8-digits prime number following 21974788
and preceding 21974790 . In scientific notation, it is written as 2.1974789 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 21974788 positive integers (up to 21974789) that are relatively prime to 21974789.
21974789 has 2 divisors, whose sum is 21974790
The reverse of 21974789 is 98747912
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
twenty-one million nine hundred seventy-four thousand seven hundred eighty-nine
Scientific notation
2.1974789 × 10^7
Engineering notation
2.1974789 × 10^6
Prime Factorization
21974789
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21974789 Product of the distinct prime numbers
The prime factorization of 21974789 is 21974789.
Since it has a total of 1 prime factors.
4 , 10 , 47 , 15 , 109 , 999 , 6119 , 2913 , 22904 , 19190 , 886447 , 397859 , 9963433 , 2299017 , 86152536 , 62701540 , 840699664 , 379308272 , 5192326703 , 7727636639
n×2
43949578
n×3
65924367
n×4
87899156
n×5
109873945
n÷2
10987394.5
n÷3
7324929.6666667
n÷3
5493697.25
n÷5
4394957.8
n2
482891351594521
n3
1.0611435561214E+22
n4
2.3318405744478E+29
n5
5.124170460513E+36
2 √n4687.7274878133
3 √n280.09685849734
4 √n68.466981004082
5 √n29.402546314583
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21974790 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10987395 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4687.7275944747 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999089866 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21974789 can be divided by 2 positive divisors.
The sum of these divisors (counting 21974789) is 21974790, the average is 10987395.
Base
System
Value
2
Binary
1010011110100111100000101
3
Ternary
1112100102202002
4
Quaternary
1103310330011
5
Quinary
21111143124
6
Senary
2102555045
8
Octal
123647405
10
Decimal
21974789
12
Duodecimal
7438a85
16
Hexadecimal
14f4f05
20
Vigesimal
6h6gj9
36
Base36
d2zut
md5
58e8eb27a01405dc6fe0a21dacb58cbf
sha1
373136241c898048c3fc0e62dde2b93627b62660
sha256
f74b658cedb8b6d44e8748cba7585e857f5a7e3d9882b3c5e0478ba114a049be
sha512
a752c4d507e1d6f2e05419b99d917cce826e976aeaf66d0c358bbf4d8b0726af84b5967bb84a200421b1f11b9dc22d286d517328f5bda6a391a9fd3efa7503aa
ripemd-160
2b2bf03e087b5a704b66410ea168088b8909c483
Diameter
43949578
Circumference
138071671.37317
Area
1.5170479226514E+15
Volume
4.4449077337537E+22
Surface area
6.0681916906056E+15
Circumference
138071671.37317
Perimeter
87899156
Area
482891351594521
Diagonal
31077044.634087
Surface area
2897348109567126
Volume
1.0611435561214E+22
Space diagonal
38061451.033606
Perimeter
65924367
Area
2.0909808887433E+14
Altitude
19030725.516803
Surface area
2.0909808887433E+14
Volume
1.2505696739098E+21
Height
10359014.878029