21553959 is an odd 8-digits composite number following 21553958
and preceding 21553960 . In scientific notation, it is written as 2.1553959 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 11773440 positive integers (up to 21553959) that are relatively prime to 21553959.
21553959 has 32 divisors, whose sum is 34320384
The reverse of 21553959 is 95935512
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million five hundred fifty-three thousand nine hundred fifty-nine
Scientific notation
2.1553959 × 10^7
Engineering notation
2.1553959 × 10^6
Prime Factorization
3 × 31 × 7 × 113 × 293
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21553959
Product of the distinct prime numbers
The prime factorization of 21553959 is 3 × 31 × 7 × 113 × 293.
Since it has a total of 5 prime factors.
8 , 10 , 55 , 42 , 278 , 38 , 9914 , 4734 , 99718 , 49287 , 574314 , 845608 , 4200522 , 3726296 , 74842861 , 96834604 , 163387308 , 97679445 , 1818639827 , 2467818893
n×2
43107918
n×3
64661877
n×4
86215836
n×5
107769795
n÷2
10776979.5
n÷3
7184653
n÷3
5388489.75
n÷5
4310791.8
n2
464573148573681
n3
1.0013390596858E+22
n4
2.1582821037566E+29
n5
4.6519523974804E+36
2 √n
4642.6241501978
3 √n
278.29731574845
4 √n
68.136804666772
5 √n
29.289058433838
1 , 3 , 7 , 21 , 31 , 93 , 113 , 217 , 293 , 339 , 651 , 791 , 879 , 2051 , 2373 , 3503 , 6153 , 9083 , 10509 , 24521 , 27249 , 33109 , 63581 , 73563 , 99327 , 190743 , 231763 , 695289 , 1026379 , 3079137 , 7184653 , 21553959
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21553958
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21553959 can be divided by 32 positive divisors.
The sum of these divisors (counting 21553959) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001110001100100111
3
Ternary
1111120001110210
4
Quaternary
1102032030213
5
Quinary
21004211314
6
Senary
2045550503
8
Octal
122161447
10
Decimal
21553959
12
Duodecimal
7275433
16
Hexadecimal
148e327
20
Vigesimal
6ee4hj
36
Base36
ctz53
md5
2cea92e75b2506d20589749229b5cd82
sha1
38a8f3df09091a629ffff6fae0da1393c64358a2
sha256
036d607e4f72f3baba36b408c42561e43439f48e052767081189fc73b47019af
sha512
cbe1f07d235f2cf9eb923e09947c0d4185330f7f7733579bc32229eb9fdbf05fb9b645f7d2fbae61a28626b95be30135e73aa5c90c5ca14188f3f1956c936281
ripemd-160
f6183ed0e420a92654903f7e04cca8e3ee3a2444
Diameter
43107918
Circumference
135427518.50035
Area
1.4594995906142E+15
Volume
4.1943992448819E+22
Surface area
5.8379983624566E+15
Circumference
135427518.50035
Perimeter
86215836
Area
464573148573681
Diagonal
30481901.140634
Surface area
2787438891442086
Volume
1.0013390596858E+22
Space diagonal
37332552.092256
Perimeter
64661877
Area
2.0116607429047E+14
Altitude
18666276.046128
Surface area
2.0116607429047E+14
Volume
1.1800893989513E+21
Height
10160633.713545