20121646 is an even 8-digits composite number following 20121645
and preceding 20121647 . In scientific notation, it is written as 2.0121646 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 9531288 positive integers (up to 20121646) that are relatively prime to 20121646.
20121646 has 8 divisors, whose sum is 31771080
The reverse of 20121646 is 64612102
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred twenty-one thousand six hundred forty-six
Scientific notation
2.0121646 × 10^7
Engineering notation
2.0121646 × 10^6
Prime Factorization
2 × 19 × 529517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121646
Product of the distinct prime numbers
The prime factorization of 20121646 is 2 × 19 × 529517.
Since it has a total of 3 prime factors.
8 , 1 , 10 , 4 , 139 , 966 , 3753 , 113 , 38268 , 53326 , 374222 , 715574 , 5202512 , 6929467 , 13809318 , 33137413 , 302011923 , 65138240 , 4742694880 , 5616701769
n×2
40243292
n×3
60364938
n×4
80486584
n×5
100608230
n÷2
10060823
n÷3
6707215.3333333
n÷3
5030411.5
n÷5
4024329.2
n2
404880637749316
n3
8.146864865046E+21
n4
1.6392833082429E+29
n5
3.2985078422173E+36
2 √n
4485.7157734301
3 √n
271.99097973258
4 √n
66.975486362028
5 √n
28.889012768166
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
-20121645
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 20121646 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121646) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000100000101110
3
Ternary
1101212021201011
4
Quaternary
1030300200232
5
Quinary
20122343041
6
Senary
1555135434
8
Octal
114604056
10
Decimal
20121646
12
Duodecimal
68a457a
16
Hexadecimal
133082e
20
Vigesimal
65f426
36
Base36
bz9ym
md5
5ca57df1bb42f8ee6f9f922072b0a1d1
sha1
7eddb01b0c0cd9474912bdc3604de017a5426455
sha256
50f1a9c801a1a5ae1d169e33e3b6979cea1bd917fa6c5a53ad3c1fc18edbf0e1
sha512
724f122f4ba0e5bbd7b5b0becc3f0ea8c08994aca55814278196fe588b15278b825ecd2d795ca6a5948788569ae7427897b2e13b85f2229acbce88c264ed6d93
ripemd-160
3bb134565aa3d2107d447a115a80b193d9d7c0b9
Diameter
40243292
Circumference
126428030.50347
Area
1.271970037134E+15
Volume
3.4125507746423E+22
Surface area
5.087880148536E+15
Circumference
126428030.50347
Perimeter
80486584
Area
404880637749316
Diagonal
28456304.67047
Surface area
2429283826495896
Volume
8.146864865046E+21
Space diagonal
34851713.203915
Perimeter
60364938
Area
1.7531845889568E+14
Altitude
17425856.601958
Surface area
1.7531845889568E+14
Volume
9.6011723191407E+20
Height
9485434.8901568