21297727 is an odd 8-digits composite number following 21297726
and preceding 21297728 . In scientific notation, it is written as 2.1297727 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 18208800 positive integers (up to 21297727) that are relatively prime to 21297727.
21297727 has 16 divisors, whose sum is 24635520
The reverse of 21297727 is 72779212
Previous prime number is 563
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million two hundred ninety-seven thousand seven hundred twenty-seven
Scientific notation
2.1297727 × 10^7
Engineering notation
2.1297727 × 10^6
Prime Factorization
11 × 19 × 563 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21297727
Product of the distinct prime numbers
The prime factorization of 21297727 is 11 × 19 × 563 × 181.
Since it has a total of 4 prime factors.
6 , 7 , 76 , 35 , 321 , 273 , 5470 , 1289 , 68947 , 45575 , 560043 , 403856 , 7308887 , 133592 , 16745015 , 19675961 , 723621507 , 916275802 , 2507471296 , 7734057239
n×2
42595454
n×3
63893181
n×4
85190908
n×5
106488635
n÷2
10648863.5
n÷3
7099242.3333333
n÷3
5324431.75
n÷5
4259545.4
n2
453593175366529
n3
9.6605036180195E+21
n4
2.0574676873909E+29
n5
4.3819385117373E+36
2 √n
4614.9460451884
3 √n
277.19012348664
4 √n
67.933394182746
5 √n
29.219087647547
1 , 11 , 19 , 181 , 209 , 563 , 1991 , 3439 , 6193 , 10697 , 37829 , 101903 , 117667 , 1120933 , 1936157 , 21297727
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
-21297726
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 21297727 can be divided by 16 positive divisors.
The sum of these divisors (counting 21297727) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001111101000111111
3
Ternary
1111002000222201
4
Quaternary
1101033220333
5
Quinary
20423011402
6
Senary
2040252331
8
Octal
121175077
10
Decimal
21297727
12
Duodecimal
71710a7
16
Hexadecimal
144fa3f
20
Vigesimal
6d2467
36
Base36
cohfj
md5
8b5b774443e26fe8b7a0f7491cb9a589
sha1
67b10419063405843b3c09fa90e6c8da9d78cef7
sha256
e82e4dba4762a23cedf55769985a1a6310f0d075005257c28f2632f98969e1b6
sha512
ef577992dbcfa1ddb9a0c20bbb21753eb530431df89220b67920d75047c8ed0f27103e5193d117868b89e27ee4336f972f8d613b73637d2c64d2e83b5ef6d013
ripemd-160
efee6d87304c4d5f38d006d60220c9d7e20ff64c
Diameter
42595454
Circumference
133817565.36272
Area
1.42500498745E+15
Volume
4.0465822928463E+22
Surface area
5.7000199497998E+15
Circumference
133817565.36272
Perimeter
85190908
Area
453593175366529
Diagonal
30119534.37112
Surface area
2721559052199174
Volume
9.6605036180195E+21
Space diagonal
36888745.249731
Perimeter
63893181
Area
1.9641160642533E+14
Altitude
18444372.624866
Surface area
1.9641160642533E+14
Volume
1.1385012696631E+21
Height
10039844.790373