21622987 is an odd 8-digits prime number following 21622986
and preceding 21622988 . In scientific notation, it is written as 2.1622987 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 21622986 positive integers (up to 21622987) that are relatively prime to 21622987.
21622987 has 2 divisors, whose sum is 21622988
The reverse of 21622987 is 78922612
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
twenty-one million six hundred twenty-two thousand nine hundred eighty-seven
Scientific notation
2.1622987 × 10^7
Engineering notation
2.1622987 × 10^6
Prime Factorization
21622987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21622987 Product of the distinct prime numbers
The prime factorization of 21622987 is 21622987.
Since it has a total of 1 prime factors.
10 , 4 , 2 , 40 , 56 , 318 , 8356 , 3530 , 10974 , 88148 , 868992 , 529911 , 685995 , 6675427 , 49457866 , 78302878 , 674862255 , 552794594 , 5028869909 , 1159648745
n×2
43245974
n×3
64868961
n×4
86491948
n×5
108114935
n÷2
10811493.5
n÷3
7207662.3333333
n÷3
5405746.75
n÷5
4324597.4
n2
467553566802169
n3
1.0109904696767E+22
n4
2.1860633782943E+29
n5
4.7269220010034E+36
2 √n4650.0523652965
3 √n278.59408777206
4 √n68.191292444832
5 √n29.3077944828
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21622988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10811494 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4650.0524728222 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999075058 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21622987 can be divided by 2 positive divisors.
The sum of these divisors (counting 21622987) is 21622988, the average is 10811494.
Base
System
Value
2
Binary
1010010011111000011001011
3
Ternary
1111200120011101
4
Quaternary
1102133003023
5
Quinary
21013413422
6
Senary
2051242231
8
Octal
122370313
10
Decimal
21622987
12
Duodecimal
72a9377
16
Hexadecimal
149f0cb
20
Vigesimal
6f2h97
36
Base36
cvgej
md5
926bd71e84c6e37cc034f2c7d50ec714
sha1
f0043f74ca769d5d644218ccbea0bf268574951b
sha256
11827e5d4cac13a77e50343acb1b37dfe5f254516ae5312aa4da4bccfd79b55a
sha512
8f0036bcc9fa60e2a7e302e5d9c140321fecdbb71ffeae37de2c24a56c45e8011a4a67ab772e05109aa06ddd36d616dc15226e55b45d7929640bbe1e2455c4d4
ripemd-160
da2d17d44146ace4fbb053e1e8aba6f5f342cd3e
Diameter
43245974
Circumference
135861234.21574
Area
1.4688628506254E+15
Volume
4.2348269765141E+22
Surface area
5.8754514025016E+15
Circumference
135861234.21574
Perimeter
86491948
Area
467553566802169
Diagonal
30579521.474417
Surface area
2805321400813014
Volume
1.0109904696767E+22
Space diagonal
37452112.095401
Perimeter
64868961
Area
2.0245663324035E+14
Altitude
18726056.047701
Surface area
2.0245663324035E+14
Volume
1.1914636947056E+21
Height
10193173.824806