21532989 is an odd 8-digits composite number following 21532988
and preceding 21532990 . In scientific notation, it is written as 2.1532989 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 14355324 positive integers (up to 21532989) that are relatively prime to 21532989.
21532989 has 4 divisors, whose sum is 28710656
The reverse of 21532989 is 98923512
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million five hundred thirty-two thousand nine hundred eighty-nine
Scientific notation
2.1532989 × 10^7
Engineering notation
2.1532989 × 10^6
Prime Factorization
3 × 7177663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21532989
Product of the distinct prime numbers
The prime factorization of 21532989 is 3 × 7177663.
Since it has a total of 2 prime factors.
4 , 5 , 66 , 98 , 457 , 939 , 473 , 4225 , 4442 , 94090 , 306894 , 874370 , 9538370 , 3273119 , 50017380 , 97205702 , 948438053 , 735618967 , 2448140790 , 6925376400
n×2
43065978
n×3
64598967
n×4
86131956
n×5
107664945
n÷2
10766494.5
n÷3
7177663
n÷3
5383247.25
n÷5
4306597.8
n2
463669615274121
n3
9.9841927253319E+21
n4
2.1498951212845E+29
n5
4.6293667997773E+36
2 √n
4640.3651795952
3 √n
278.20703398429
4 √n
68.120225921493
5 √n
29.283357108012
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21532988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21532989 can be divided by 4 positive divisors.
The sum of these divisors (counting 21532989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010001001000100111101
3
Ternary
1111111222201010
4
Quaternary
1102021010331
5
Quinary
21003023424
6
Senary
2045305433
8
Octal
122110475
10
Decimal
21532989
12
Duodecimal
7265279
16
Hexadecimal
148913d
20
Vigesimal
6ebc99
36
Base36
ctiyl
md5
df449745a0a52755cba2c3f0641458da
sha1
39726f0ae44fcadfbcffc530dd7d30c9a0dc9264
sha256
b5ec8c98f96e67ce30f4575132f26ab00381c5c0c4fb1b7d55464e295cd4c5cf
sha512
46329c7e13406dc5801c1ba4c5eaa08b1e1fd14ed1a7d7805315fc2df9141c6a48f4da5ef4a59fc3f672341cca21e730d57f6757533f5362c8eff43ad71263fe
ripemd-160
4a244f8b6930350fa9ce6ac4d936c424f14cfa3f
Diameter
43065978
Circumference
135295760.10446
Area
1.456661057038E+15
Volume
4.182168869057E+22
Surface area
5.8266442281519E+15
Circumference
135295760.10446
Perimeter
86131956
Area
463669615274121
Diagonal
30452245.082231
Surface area
2782017691644726
Volume
9.9841927253319E+21
Space diagonal
37296230.986822
Perimeter
64598967
Area
2.0077483289517E+14
Altitude
18648115.493411
Surface area
2.0077483289517E+14
Volume
1.1766483967926E+21
Height
10150748.360744