21497085 is an odd 8-digits composite number following 21497084
and preceding 21497086 . In scientific notation, it is written as 2.1497085 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 11318112 positive integers (up to 21497085) that are relatively prime to 21497085.
21497085 has 16 divisors, whose sum is 29030400
The reverse of 21497085 is 58079412
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety-seven thousand eighty-five
Scientific notation
2.1497085 × 10^7
Engineering notation
2.1497085 × 10^6
Prime Factorization
5 × 9 × 79 × 6047
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21497085
Product of the distinct prime numbers
The prime factorization of 21497085 is 5 × 9 × 79 × 6047.
Since it has a total of 4 prime factors.
5 , 4 , 30 , 86 , 534 , 358 , 5315 , 245 , 28139 , 84744 , 519647 , 328528 , 7260330 , 5308998 , 58005593 , 85169898 , 543266416 , 369465035 , 3640197547 , 6116650533
n×2
42994170
n×3
64491255
n×4
85988340
n×5
107485425
n÷2
10748542.5
n÷3
7165695
n÷3
5374271.25
n÷5
4299417
n2
462124663497225
n3
9.9343331717962E+21
n4
2.1355920461242E+29
n5
4.5909003740857E+36
2 √n
4636.4949045588
3 √n
278.05232094956
4 √n
68.091812316598
5 √n
29.27358520325
1 , 5 , 9 , 45 , 79 , 395 , 711 , 3555 , 6047 , 30235 , 54423 , 272115 , 477713 , 2388565 , 4299417 , 21497085
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
-21497084
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 21497085 can be divided by 16 positive divisors.
The sum of these divisors (counting 21497085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000010011111101
3
Ternary
1111110011110100
4
Quaternary
1102000103331
5
Quinary
21000401320
6
Senary
2044431313
8
Octal
122002375
10
Decimal
21497085
12
Duodecimal
7248539
16
Hexadecimal
14804fd
20
Vigesimal
6e72e5
36
Base36
csr99
md5
092c4ddfcdd150c391d1b30aa38bd96d
sha1
fd05dbb7e52c9f6bbe442420ab4b8564c3e8e1f4
sha256
c64e6e89c2d6003ff6e6e4e09f09eb38706a71ad5316bf1fa00fa2855485afa2
sha512
2ad6bdeb3490ef5b64a8b1a23c3ca0a10b61591a149acccb322de1af71f9290c23c185fc98bcd0af043465cb316ec7007ff511fde4de118350c5d0c5c84cc10d
ripemd-160
034118fbd759e5ff3303285e21c1595b61d4e5ba
Diameter
42994170
Circumference
135070168.61919
Area
1.4518074478855E+15
Volume
4.1612837481105E+22
Surface area
5.8072297915421E+15
Circumference
135070168.61919
Perimeter
85988340
Area
462124663497225
Diagonal
30401469.158487
Surface area
2772747980983350
Volume
9.9343331717962E+21
Space diagonal
37234043.434627
Perimeter
64491255
Area
2.0010584915197E+14
Altitude
18617021.717313
Surface area
2.0010584915197E+14
Volume
1.1707723920573E+21
Height
10133823.052829