21492547 is an odd 8-digits prime number following 21492546
and preceding 21492548 . In scientific notation, it is written as 2.1492547 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 21492546 positive integers (up to 21492547) that are relatively prime to 21492547.
21492547 has 2 divisors, whose sum is 21492548
The reverse of 21492547 is 74529412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-two thousand five hundred forty-seven
Scientific notation
2.1492547 × 10^7
Engineering notation
2.1492547 × 10^6
Prime Factorization
21492547
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21492547
Product of the distinct prime numbers
The prime factorization of 21492547 is 21492547.
Since it has a total of 1 prime factors.
5 , 7 , 60 , 20 , 353 , 953 , 4863 , 2026 , 35246 , 60651 , 576208 , 434168 , 1309506 , 6105281 , 3706953 , 91648184 , 610680709 , 302967836 , 8483778349 , 2398404806
n×2
42985094
n×3
64477641
n×4
85970188
n×5
107462735
n÷2
10746273.5
n÷3
7164182.3333333
n÷3
5373136.75
n÷5
4298509.4
n2
461929576547209
n3
9.928043134631E+21
n4
2.1337893368908E+29
n5
4.5860567611225E+36
2 √n
4636.0055004281
3 √n
278.03275410703
4 √n
68.088218514132
5 √n
29.272349177544
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21492548
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10746274
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4636.0056082796
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069445
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492547 can be divided by 2 positive divisors.
The sum of these divisors (counting 21492547) is 21492548, the average is 10746274.
Base
System
Value
2
Binary
1010001111111001101000011
3
Ternary
1111102221020021
4
Quaternary
1101333031003
5
Quinary
21000230142
6
Senary
2044354311
8
Octal
121771503
10
Decimal
21492547
12
Duodecimal
7245997
16
Hexadecimal
147f343
20
Vigesimal
6e6b77
36
Base36
csnr7
md5
59c2346ac7cb4a6474bf17a6c60c81c2
sha1
54a93b282e613c585e3428aba00b9fc26f7d7036
sha256
87e78f3733ee31692958aa33fa31ce2e6d9094b16379fe2dd0fc3adc52422280
sha512
142c024aa05e440cd4a89d82cc7b127bdb817afafe6e193a57c1fc5341101f396166927e447237c8d637b874ca7fcc77d9a67f510416b2c8a4e18ee0c0e00331
ripemd-160
e38174c9626cd33adf8eb17d7562176b408ee67d
Diameter
42985094
Circumference
135041655.52427
Area
1.4511945641566E+15
Volume
4.1586489835039E+22
Surface area
5.8047782566262E+15
Circumference
135041655.52427
Perimeter
85970188
Area
461929576547209
Diagonal
30395051.457341
Surface area
2771577459283254
Volume
9.928043134631E+21
Space diagonal
37226183.388062
Perimeter
64477641
Area
2.0002137402464E+14
Altitude
18613091.694031
Surface area
2.0002137402464E+14
Volume
1.1700311040684E+21
Height
10131683.819114