21497736 is an even 8-digits composite number following 21497735
and preceding 21497737 . In scientific notation, it is written as 2.1497736 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 6614592 positive integers (up to 21497736) that are relatively prime to 21497736.
21497736 has 32 divisors, whose sum is 57879360
The reverse of 21497736 is 63779412
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-seven thousand seven hundred thirty-six
Scientific notation
2.1497736 × 10^7
Engineering notation
2.1497736 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 13 × 68903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5374434
Product of the distinct prime numbers
The prime factorization of 21497736 is 2 × 2 × 2 × 3 × 13 × 68903.
Since it has a total of 6 prime factors.
5 , 9 , 43 , 13 , 695 , 416 , 6290 , 3525 , 20523 , 63299 , 987151 , 333091 , 5108984 , 739375 , 5551549 , 29594449 , 47586233 , 440464055 , 1118586980 , 1737056934
n×2
42995472
n×3
64493208
n×4
85990944
n×5
107488680
n÷2
10748868
n÷3
7165912
n÷3
5374434
n÷5
4299547.2
n2
462152653125696
n3
9.9352357285958E+21
n4
2.1358507479112E+29
n5
4.5915955513997E+36
2 √n
4636.565107922
3 √n
278.05512769031
4 √n
68.092327819821
5 √n
29.273762500526
1 , 2 , 3 , 4 , 6 , 8 , 12 , 13 , 24 , 26 , 39 , 52 , 78 , 104 , 156 , 312 , 68903 , 137806 , 206709 , 275612 , 413418 , 551224 , 826836 , 895739 , 1653672 , 1791478 , 2687217 , 3582956 , 5374434 , 7165912 , 10748868 , 21497736
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497735
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497736 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497736) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000011110001000
3
Ternary
1111110012100110
4
Quaternary
1102000132020
5
Quinary
21000411421
6
Senary
2044434320
8
Octal
122003610
10
Decimal
21497736
12
Duodecimal
72489a0
16
Hexadecimal
1480788
20
Vigesimal
6e746g
36
Base36
csrrc
md5
77075f171c9dd3a44393f72fe5491fa1
sha1
b66a8a5dd12236959b8f4c422eaea84fed7674ef
sha256
f6192177b62b333acc8bbfcc1f49e1f0c515856107bd7c5c146b743643bf5180
sha512
0699e49daf179728c6c40de09c6775022032f1a468ac16e681cffca76f680fe23e47c94000baa4cde766aab97cbff96560be7532d1ca181ced23f5109d60b7ed
ripemd-160
2f74e04e4813952531fc58511c8450ae4c9c409a
Diameter
42995472
Circumference
135074258.97283
Area
1.4518953798967E+15
Volume
4.1616618102186E+22
Surface area
5.8075815195869E+15
Circumference
135074258.97283
Perimeter
85990944
Area
462152653125696
Diagonal
30402389.811516
Surface area
2772915918754176
Volume
9.9352357285958E+21
Space diagonal
37235170.999703
Perimeter
64493208
Area
2.0011796901662E+14
Altitude
18617585.499851
Surface area
2.0011796901662E+14
Volume
1.1708787593962E+21
Height
10134129.937172