21493550 is an even 8-digits composite number following 21493549
and preceding 21493551 . In scientific notation, it is written as 2.1493550 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors.
There are 7741440 positive integers (up to 21493550) that are relatively prime to 21493550.
21493550 has 32 divisors, whose sum is 40249440
The reverse of 21493550 is 05539412
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred ninety-three thousand five hundred fifty
Scientific notation
2.1493550 × 10^7
Engineering notation
2.1493550 × 10^6
Prime Factorization
2 × 65 × 5 × 43 × 769
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21493550
Product of the distinct prime numbers
The prime factorization of 21493550 is 2 × 65 × 5 × 43 × 769.
Since it has a total of 5 prime factors.
9 , 4 , 27 , 78 , 479 , 391 , 865 , 116 , 84896 , 52754 , 61818 , 819701 , 5406277 , 6057221 , 45848870 , 68928640 , 303687350 , 232033661 , 6401906504 , 6246928804
n×2
42987100
n×3
64480650
n×4
85974200
n×5
107467750
n÷2
10746775
n÷3
7164516.6666667
n÷3
5373387.5
n÷5
4298710
n2
461972691602500
n3
9.9294331455929E+21
n4
2.1341876778646E+29
n5
4.5871269563566E+36
2 √n
4636.1136741888
3 √n
278.03707905612
4 √n
68.089012874242
5 √n
29.272622384979
1 , 2 , 5 , 10 , 43 , 65 , 86 , 130 , 215 , 325 , 430 , 650 , 769 , 1538 , 2795 , 3845 , 5590 , 7690 , 13975 , 27950 , 33067 , 49985 , 66134 , 99970 , 165335 , 249925 , 330670 , 499850 , 2149355 , 4298710 , 10746775 , 21493550
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
-21493549
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 21493550 can be divided by 32 positive divisors.
The sum of these divisors (counting 21493550) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111011100101110
3
Ternary
1111102222121102
4
Quaternary
1101333130232
5
Quinary
21000243200
6
Senary
2044403102
8
Octal
121773456
10
Decimal
21493550
12
Duodecimal
7246492
16
Hexadecimal
147f72e
20
Vigesimal
6e6dha
36
Base36
csoj2
md5
2616e4431635ac9a1b0dbd6613a5f67e
sha1
4b99ef71a3827618c0a194b90a951cff9d0dc7d7
sha256
5feb0524757485f524a267eebbabaeaeae587cddc270b7e7c54b95e130167ec6
sha512
2bd174dc90ec7c242a94a71e62c4f998bdbf9c75b30df53375dee10414c451535d54348a0c081795923cbc39ebd51f4703d3a007e1624eaed662772284cb9109
ripemd-160
cc2aef54fb161bfcc7d85ee25eb64be0db610438
Diameter
42987100
Circumference
135047957.55913
Area
1.4513300140975E+15
Volume
4.1592312299341E+22
Surface area
5.8053200563901E+15
Circumference
135047957.55913
Perimeter
85974200
Area
461972691602500
Diagonal
30396469.913544
Surface area
2771836149615000
Volume
9.9294331455929E+21
Space diagonal
37227920.635022
Perimeter
64480650
Area
2.0004004339122E+14
Altitude
18613960.317511
Surface area
2.0004004339122E+14
Volume
1.1701949184312E+21
Height
10132156.637848