20120931 is an odd 8-digits composite number following 20120930
and preceding 20120932 . In scientific notation, it is written as 2.0120931 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 13362480 positive integers (up to 20120931) that are relatively prime to 20120931.
20120931 has 8 divisors, whose sum is 22442400
The reverse of 20120931 is 13902102
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty thousand nine hundred thirty-one
Scientific notation
2.0120931 × 10^7
Engineering notation
2.0120931 × 10^6
Prime Factorization
9 × 269 × 8311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20120931
Product of the distinct prime numbers
The prime factorization of 20120931 is 9 × 269 × 8311.
Since it has a total of 3 prime factors.
10 , 8 , 41 , 81 , 478 , 771 , 8521 , 2250 , 39265 , 36335 , 566122 , 127740 , 9257483 , 24858 , 1529592 , 3934761 , 592334359 , 409171347 , 7201072045 , 5215341592
n×2
40241862
n×3
60362793
n×4
80483724
n×5
100604655
n÷2
10060465.5
n÷3
6706977
n÷3
5030232.75
n÷5
4024186.2
n2
404851864306761
n3
8.1459964269377E+21
n4
1.6390503203266E+29
n5
3.2979218400819E+36
2 √n
4485.6360752963
3 √n
271.98775806351
4 √n
66.974891379504
5 √n
28.88880745755
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
-20120930
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 20120931 can be divided by 8 positive divisors.
The sum of these divisors (counting 20120931) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000010101100011
3
Ternary
1101212020201200
4
Quaternary
1030300111203
5
Quinary
20122332211
6
Senary
1555132243
8
Octal
114602543
10
Decimal
20120931
12
Duodecimal
68a4083
16
Hexadecimal
1330563
20
Vigesimal
65f26b
36
Base36
bz9er
md5
4638b5fae1e22291fc087066072a09d5
sha1
36b43d6d8df475537a77a106e07e04378de0ee07
sha256
a3f8ea9d3eaaf5035cd6c279a5086063dab24eb2ebf61e335784b6a6b9ad81ff
sha512
5e57c6436b14493f2250aed7f7be6a1b917580f656cb4104fc6f7ab42c6752418caf8cafd8a17a00f761c43b8a68941a7f884c8d7384073e80ceb769f5e2bd1f
ripemd-160
c8ff33b4d746bbc3b3f5c9dc0711522c78bd2e02
Diameter
40241862
Circumference
126423538.02597
Area
1.2718796426983E+15
Volume
3.4121870041382E+22
Surface area
5.087518570793E+15
Circumference
126423538.02597
Perimeter
80483724
Area
404851864306761
Diagonal
28455293.507773
Surface area
2429111185840566
Volume
8.1459964269377E+21
Space diagonal
34850474.787588
Perimeter
60362793
Area
1.7530599962957E+14
Altitude
17425237.393794
Surface area
1.7530599962957E+14
Volume
9.6001488550151E+20
Height
9485097.8359244