21492521 is an odd 8-digits composite number following 21492520
and preceding 21492522 . In scientific notation, it is written as 2.1492521 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 21250944 positive integers (up to 21492521) that are relatively prime to 21492521.
21492521 has 4 divisors, whose sum is 21734100
The reverse of 21492521 is 12529412
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million four hundred ninety-two thousand five hundred twenty-one
Scientific notation
2.1492521 × 10^7
Engineering notation
2.1492521 × 10^6
Prime Factorization
89 × 241489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492521
Product of the distinct prime numbers
The prime factorization of 21492521 is 89 × 241489.
Since it has a total of 2 prime factors.
1 , 3 , 46 , 74 , 673 , 780 , 1110 , 1234 , 14257 , 176 , 912827 , 623911 , 9337305 , 8096788 , 28720732 , 54358551 , 331860082 , 152047825 , 7365086612 , 4600999208
n×2
42985042
n×3
64477563
n×4
85970084
n×5
107462605
n÷2
10746260.5
n÷3
7164173.6666667
n÷3
5373130.25
n÷5
4298504.2
n2
461928458935441
n3
9.9280071041676E+21
n4
2.1337790117447E+29
n5
4.5860290219283E+36
2 √n
4636.0026962891
3 √n
278.0326419929
4 √n
68.088197922174
5 √n
29.272342095261
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492520
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492521 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492521) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111001100101001
3
Ternary
1111102221012022
4
Quaternary
1101333030221
5
Quinary
21000230041
6
Senary
2044354225
8
Octal
121771451
10
Decimal
21492521
12
Duodecimal
7245975
16
Hexadecimal
147f329
20
Vigesimal
6e6b61
36
Base36
csnqh
md5
64911b2a5fde8c3ad8bd6210e888617f
sha1
3ef005b1975962e6655473c2b38c3bf55c4423dd
sha256
b75809277c43ee43eb8c6654cf01a4c2b073fa28903f99e818847891dd1bb017
sha512
0e7b8216db72f4c2d8ed8278d15a779d96f3c7adb01a7c5f1acdd1030164199dfd51e5a5dd5519aab1303845190aa3e3d9fda521299389c7fb709d1956e951f7
ripemd-160
875adf2252e8a4a6fe7710dba89d760d0daeb14f
Diameter
42985042
Circumference
135041492.16145
Area
1.4511910530756E+15
Volume
4.1586338910987E+22
Surface area
5.8047642123025E+15
Circumference
135041492.16145
Perimeter
85970084
Area
461928458935441
Diagonal
30395014.687789
Surface area
2771570753612646
Volume
9.9280071041676E+21
Space diagonal
37226138.354741
Perimeter
64477563
Area
2.0002089008454E+14
Altitude
18613069.177371
Surface area
2.0002089008454E+14
Volume
1.1700268578375E+21
Height
10131671.562596