21862989 is an odd 8-digits composite number following 21862988
and preceding 21862990 . In scientific notation, it is written as 2.1862989 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 14195520 positive integers (up to 21862989) that are relatively prime to 21862989.
21862989 has 16 divisors, whose sum is 24935040
The reverse of 21862989 is 98926812
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million eight hundred sixty-two thousand nine hundred eighty-nine
Scientific notation
2.1862989 × 10^7
Engineering notation
2.1862989 × 10^6
Prime Factorization
9 × 73 × 311 × 107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21862989
Product of the distinct prime numbers
The prime factorization of 21862989 is 9 × 73 × 311 × 107.
Since it has a total of 4 prime factors.
10 , 6 , 20 , 22 , 641 , 736 , 3685 , 9513 , 79365 , 98333 , 120379 , 548450 , 8174940 , 4803112 , 2740202 , 9018205 , 57740438 , 753035503 , 521754377 , 1351871084
n×2
43725978
n×3
65588967
n×4
87451956
n×5
109314945
n÷2
10931494.5
n÷3
7287663
n÷3
5465747.25
n÷5
4372597.8
n2
477990288014121
n3
1.045029640896E+22
n4
2.2847471543582E+29
n5
4.9951401903515E+36
2 √n
4675.7875272514
3 √n
279.62103920469
4 √n
68.379730382997
5 √n
29.372567279714
1 , 9 , 73 , 107 , 311 , 657 , 963 , 2799 , 7811 , 22703 , 33277 , 70299 , 204327 , 299493 , 2429221 , 21862989
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
-21862988
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 21862989 can be divided by 16 positive divisors.
The sum of these divisors (counting 21862989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011001101001001101
3
Ternary
1112010202101100
4
Quaternary
1103121221031
5
Quinary
21044103424
6
Senary
2100333313
8
Octal
123315115
10
Decimal
21862989
12
Duodecimal
73a4239
16
Hexadecimal
14d9a4d
20
Vigesimal
6gch99
36
Base36
d0ll9
md5
3fd72036b0288b31069cd324cd21db71
sha1
64c0e31583813db0a4ef6c88a6a485815214c8ec
sha256
5d67159f7c15cc89b0c4a943134f105661a5277b2aa8312e5472385eb8ab21e8
sha512
985822d08a2c434bea3ca07b964dc026686c5b519d2adc4bf4d8dc8c5dcad0da95ad168589d0bb0d79bc4df19dd4bc1fd56d56ba84400b8c91e33e1514f2d3db
ripemd-160
e076b3ff227e99cc667a35c0e8fa80adb761c5ad
Diameter
43725978
Circumference
137369211.25583
Area
1.5016507773124E+15
Volume
4.3774099234964E+22
Surface area
6.0066031092497E+15
Circumference
137369211.25583
Perimeter
87451956
Area
477990288014121
Diagonal
30918935.557814
Surface area
2867941728084726
Volume
1.045029640896E+22
Space diagonal
37867807.753319
Perimeter
65588967
Area
2.0697586609123E+14
Altitude
18933903.87666
Surface area
2.0697586609123E+14
Volume
1.2315792426975E+21
Height
10306311.852605