21861712 is an even 8-digits composite number following 21861711
and preceding 21861713 . In scientific notation, it is written as 2.1861712 × 10^7.
The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors.
There are 10908000 positive integers (up to 21861712) that are relatively prime to 21861712.
21861712 has 20 divisors, whose sum is 42445696
The reverse of 21861712 is 21716812
Previous prime number is 607
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eight hundred sixty-one thousand seven hundred twelve
Scientific notation
2.1861712 × 10^7
Engineering notation
2.1861712 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 607 × 2251
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2732714
Product of the distinct prime numbers
The prime factorization of 21861712 is 2 × 2 × 2 × 2 × 607 × 2251.
Since it has a total of 6 prime factors.
1 , 10 , 37 , 79 , 452 , 972 , 4713 , 4028 , 88003 , 48996 , 387419 , 129658 , 146033 , 623560 , 11316661 , 69344217 , 63551311 , 27649918 , 9873818236 , 9291349861
n×2
43723424
n×3
65585136
n×4
87446848
n×5
109308560
n÷2
10930856
n÷3
7287237.3333333
n÷3
5465428
n÷5
4372342.4
n2
477934451570944
n3
1.0448465335122E+22
n4
2.2842133999842E+29
n5
4.9936815496995E+36
2 √n
4675.6509707205
3 √n
279.61559495034
4 √n
68.378731859552
5 √n
29.372224145984
1 , 2 , 4 , 8 , 16 , 607 , 1214 , 2251 , 2428 , 4502 , 4856 , 9004 , 9712 , 18008 , 36016 , 1366357 , 2732714 , 5465428 , 10930856 , 21861712
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21861711
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21861712 can be divided by 20 positive divisors.
The sum of these divisors (counting 21861712) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010011011001010101010000
3
Ternary
1112010200122001
4
Quaternary
1103121111100
5
Quinary
21044033322
6
Senary
2100323344
8
Octal
123312520
10
Decimal
21861712
12
Duodecimal
73a3554
16
Hexadecimal
14d9550
20
Vigesimal
6gce5c
36
Base36
d0kls
md5
2bd6eaa2122e4d2c8dfc55a20df6faec
sha1
b903597bc035c5c43e1ae20c13d65c31e7b9e28b
sha256
eabd90b67c9645d04716c01d467f9629c491523e5e395f5d252867db6f6aef96
sha512
6daf9706564d5762c7331268c6447e5af7ea6ee167c4861d08a2c052e692e890f3eac0b3696535f10d947b3301e558bf0f7c4dae96650b70aedbd16401410504
ripemd-160
87236ed7b9acdf11183cf0e360f011cb5f13c951
Diameter
43723424
Circumference
137361187.62819
Area
1.5014753619527E+15
Volume
4.3766429250809E+22
Surface area
6.005901447811E+15
Circumference
137361187.62819
Perimeter
87446848
Area
477934451570944
Diagonal
30917129.607095
Surface area
2867606709425664
Volume
1.0448465335122E+22
Space diagonal
37865595.924438
Perimeter
65585136
Area
2.0695168820211E+14
Altitude
18932797.962219
Surface area
2.0695168820211E+14
Volume
1.2313634485762E+21
Height
10305709.869032