21007072 is an even 8-digits composite number following 21007071
and preceding 21007073 . In scientific notation, it is written as 2.1007072 × 10^7.
The sum of its digits is 19. It has a total of 6 prime factors and 12 positive divisors.
There are 10503520 positive integers (up to 21007072) that are relatively prime to 21007072.
21007072 has 12 divisors, whose sum is 41357736
The reverse of 21007072 is 27070012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million seven thousand seventy-two
Scientific notation
2.1007072 × 10^7
Engineering notation
2.1007072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 656471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1312942
Product of the distinct prime numbers
The prime factorization of 21007072 is 2 × 2 × 2 × 2 × 2 × 656471.
Since it has a total of 6 prime factors.
7 , 1 , 45 , 7 , 915 , 946 , 9693 , 7252 , 47287 , 73757 , 834763 , 789279 , 6636176 , 247295 , 51777678 , 85567824 , 337074730 , 603331190 , 1501960129 , 9217121767
n×2
42014144
n×3
63021216
n×4
84028288
n×5
105035360
n÷2
10503536
n÷3
7002357.3333333
n÷3
5251768
n÷5
4201414.4
n2
441297074013184
n3
9.2703594071843E+21
n4
1.947431075326E+29
n5
4.090982481441E+36
2 √n
4583.3472484637
3 √n
275.92338418095
4 √n
67.700422808604
5 √n
29.138896763383
1 , 2 , 4 , 8 , 16 , 32 , 656471 , 1312942 , 2625884 , 5251768 , 10503536 , 21007072
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21007071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21007072 can be divided by 12 positive divisors.
The sum of these divisors (counting 21007072) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001000101011100000
3
Ternary
1110112021021201
4
Quaternary
1100020223200
5
Quinary
20334211242
6
Senary
2030130544
8
Octal
120105340
10
Decimal
21007072
12
Duodecimal
7050a54
16
Hexadecimal
1408ae0
20
Vigesimal
6b5hdc
36
Base36
ci95s
md5
e23a0ab7becef12f87f4146868c0b85e
sha1
9d2d6679357e36097f9948f53a632910166cf400
sha256
90d18669dbeb1b47b09bad5ec7f086ce99a839a930655e92ee3c81cadf9b3125
sha512
a367bfd717343507e00e815388af4e83e03bd0dd797ca1a05eeeb712308f6fdc4e107706f95150036410e5160da111b4cd40fe2cc413bb09523fedebecb9c6a7
ripemd-160
9bfdef0423d11fd5c24a2a95d6a635141bfaa27c
Diameter
42014144
Circumference
131991326.13726
Area
1.3863756457705E+15
Volume
3.8831590679663E+22
Surface area
5.545502583082E+15
Circumference
131991326.13726
Perimeter
84028288
Area
441297074013184
Diagonal
29708486.128148
Surface area
2647782444079104
Volume
9.2703594071843E+21
Space diagonal
36385316.022258
Perimeter
63021216
Area
1.9108723835558E+14
Altitude
18192658.011129
Surface area
1.9108723835558E+14
Volume
1.0925223334761E+21
Height
9902828.7093827