21069912 is an even 8-digits composite number following 21069911
and preceding 21069913 . In scientific notation, it is written as 2.1069912 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 6873504 positive integers (up to 21069912) that are relatively prime to 21069912.
21069912 has 32 divisors, whose sum is 53798400
The reverse of 21069912 is 21996012
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million sixty-nine thousand nine hundred twelve
Scientific notation
2.1069912 × 10^7
Engineering notation
2.1069912 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 47 × 18679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5267478
Product of the distinct prime numbers
The prime factorization of 21069912 is 2 × 2 × 2 × 3 × 47 × 18679.
Since it has a total of 6 prime factors.
1 , 5 , 57 , 77 , 225 , 663 , 2575 , 3432 , 44416 , 57950 , 854311 , 573662 , 648385 , 4443811 , 97130029 , 9123989 , 687162997 , 283236297 , 2015691873 , 9140285168
n×2
42139824
n×3
63209736
n×4
84279648
n×5
105349560
n÷2
10534956
n÷3
7023304
n÷3
5267478
n÷5
4213982.4
n2
443941191687744
n3
9.3538018420359E+21
n4
1.9708378167713E+29
n5
4.1525379365644E+36
2 √n
4590.197381377
3 √n
276.1982402702
4 √n
67.750995427204
5 √n
29.156309006357
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 47 , 94 , 141 , 188 , 282 , 376 , 564 , 1128 , 18679 , 37358 , 56037 , 74716 , 112074 , 149432 , 224148 , 448296 , 877913 , 1755826 , 2633739 , 3511652 , 5267478 , 7023304 , 10534956 , 21069912
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
-21069911
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 21069912 can be divided by 32 positive divisors.
The sum of these divisors (counting 21069912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011000000001011000
3
Ternary
1110122110111010
4
Quaternary
1100120001120
5
Quinary
20343214122
6
Senary
2031333520
8
Octal
120300130
10
Decimal
21069912
12
Duodecimal
70812a0
16
Hexadecimal
1418058
20
Vigesimal
6bdefc
36
Base36
cjlnc
md5
3f1a9ea48e86c3fec4986301ba3e1eca
sha1
5b105236b57facd57c83b5cef79763dbe234c563
sha256
f6bc30ad6c05eab80b72d531e37118247ce368637dd4348cdb181b25010a7bde
sha512
b3cb26503b1374e278c3dfcc160e858a94e0820c018539d93811e0013613b46a9935b097dd92ff8e6d750a1f081548d6d101f67f47747dd3b9366681b7740e9b
ripemd-160
eabf0d391b9a32bf322fc19975515e1c2db766ce
Diameter
42139824
Circumference
132386161.50197
Area
1.3946823864321E+15
Volume
3.9181113533433E+22
Surface area
5.5787295457285E+15
Circumference
132386161.50197
Perimeter
84279648
Area
443941191687744
Diagonal
29797355.308408
Surface area
2663647150126464
Volume
9.3538018420359E+21
Space diagonal
36494158.095005
Perimeter
63209736
Area
1.9223217489396E+14
Altitude
18247079.047503
Surface area
1.9223217489396E+14
Volume
1.1023561187298E+21
Height
9932451.7694692