21020072 is an even 8-digits composite number following 21020071
and preceding 21020073 . In scientific notation, it is written as 2.1020072 × 10^7.
The sum of its digits is 14. It has a total of 4 prime factors and 8 positive divisors.
There are 10510032 positive integers (up to 21020072) that are relatively prime to 21020072.
21020072 has 8 divisors, whose sum is 39412650
The reverse of 21020072 is 27002012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 14
Digital Root 5
Name
twenty-one million twenty thousand seventy-two
Scientific notation
2.1020072 × 10^7
Engineering notation
2.1020072 × 10^6
Prime Factorization
2 × 2 × 2 × 2627509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5255018
Product of the distinct prime numbers
The prime factorization of 21020072 is 2 × 2 × 2 × 2627509.
Since it has a total of 4 prime factors.
6 , 10 , 1 , 55 , 979 , 561 , 5538 , 7818 , 60684 , 35465 , 695359 , 643885 , 9578849 , 1652274 , 28242360 , 34676616 , 105165138 , 795281546 , 9719769892 , 8868491814
n×2
42040144
n×3
63060216
n×4
84080288
n×5
105100360
n÷2
10510036
n÷3
7006690.6666667
n÷3
5255018
n÷5
4204014.4
n2
441843426885184
n3
9.2875806458533E+21
n4
1.9522561388164E+29
n5
4.1036564600363E+36
2 √n
4584.7652066382
3 √n
275.9802898478
4 √n
67.710894298024
5 √n
29.142502329402
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
-21020071
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 21020072 can be divided by 8 positive divisors.
The sum of these divisors (counting 21020072) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001011110110101000
3
Ternary
1110112221010012
4
Quaternary
1100023312220
5
Quinary
20340120242
6
Senary
2030311052
8
Octal
120136650
10
Decimal
21020072
12
Duodecimal
7058488
16
Hexadecimal
140bda8
20
Vigesimal
6b7a3c
36
Base36
cij6w
md5
4f2c4419cc44a1ab651fa7163f4c401a
sha1
7386954e1500a71558100e9e973470ef53699157
sha256
e4faa99b03d7fc9a7747bc4f11f0cadbedd60a44a9599ffc031c91ce28c29b5b
sha512
480f65f1114ab09dc776d89005e933a9839c930482049260e63a543572759d345742e6fc6a3ebd1c3fc75074bc0d873f685990f867749b61bdf710f836b4f038
ripemd-160
a73146e6b18c9c010b71f9b913fd8b35c9f29d5d
Diameter
42040144
Circumference
132073007.54626
Area
1.3880920639394E+15
Volume
3.8903726835514E+22
Surface area
5.5523682557577E+15
Circumference
132073007.54626
Perimeter
84080288
Area
441843426885184
Diagonal
29726870.904459
Surface area
2651060561311104
Volume
9.2875806458533E+21
Space diagonal
36407832.682756
Perimeter
63060216
Area
1.9132381608887E+14
Altitude
18203916.341378
Surface area
1.9132381608887E+14
Volume
1.0945518759166E+21
Height
9908956.968153