21081435 is an odd 8-digits composite number following 21081434
and preceding 21081436 . In scientific notation, it is written as 2.1081435 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11161440 positive integers (up to 21081435) that are relatively prime to 21081435.
21081435 has 8 divisors, whose sum is 22650880
The reverse of 21081435 is 53418012
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million eighty-one thousand four hundred thirty-five
Scientific notation
2.1081435 × 10^7
Engineering notation
2.1081435 × 10^6
Prime Factorization
15 × 139 × 10111
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21081435
Product of the distinct prime numbers
The prime factorization of 21081435 is 15 × 139 × 10111.
Since it has a total of 3 prime factors.
1 , 10 , 92 , 36 , 1 , 363 , 3074 , 2546 , 1794 , 35627 , 185992 , 9399 , 4289592 , 6135556 , 74891841 , 64947346 , 123572742 , 585934233 , 6133425746 , 747237546
n×2
42162870
n×3
63244305
n×4
84325740
n×5
105407175
n÷2
10540717.5
n÷3
7027145
n÷3
5270358.75
n÷5
4216287
n2
444426901659225
n3
9.3691568395803E+21
n4
1.9751527091842E+29
n5
4.163905345374E+36
2 √n
4591.4523845947
3 √n
276.24858144409
4 √n
67.760256674504
5 √n
29.159497388703
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21081434
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21081435 can be divided by 8 positive divisors.
The sum of these divisors (counting 21081435) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011010110101011011
3
Ternary
1110200001021220
4
Quaternary
1100122311123
5
Quinary
20344101220
6
Senary
2031503123
8
Octal
120326533
10
Decimal
21081435
12
Duodecimal
7087aa3
16
Hexadecimal
141ad5b
20
Vigesimal
6bf3bf
36
Base36
cjujf
md5
e4706b4d2c2eca269ecc06c0ddecac86
sha1
62e9fa4bbab51678179e6a22aececb1605b6ae2e
sha256
8cca6b2b96dc2fb61c8e10565ffb8b729199dd136bb32aeef3596d6d9a519f9a
sha512
3c3df53a509fb359ab9587b2d427b814c74b5a3200c4b116e5717849ec8b611c6d0bb501e2f9a16deaa91ddd3b2a01bba3f41f333df99a746d3a241cbdca5ae2
ripemd-160
2201843bc53e3c3b604b323ebdbe4c9ce2772c3b
Diameter
42162870
Circumference
132458562.64626
Area
1.3962082893103E+15
Volume
3.9245432396742E+22
Surface area
5.5848331572412E+15
Circumference
132458562.64626
Perimeter
84325740
Area
444426901659225
Diagonal
29813651.291287
Surface area
2666561409955350
Volume
9.3691568395803E+21
Space diagonal
36514116.516461
Perimeter
63244305
Area
1.9244249348105E+14
Altitude
18257058.25823
Surface area
1.9244249348105E+14
Volume
1.1041657225446E+21
Height
9937883.7637623