20121045 is an odd 8-digits composite number following 20121044
and preceding 20121046 . In scientific notation, it is written as 2.0121045 × 10^7.
The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors.
There are 9065280 positive integers (up to 20121045) that are relatively prime to 20121045.
20121045 has 16 divisors, whose sum is 27993600
The reverse of 20121045 is 54012102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred twenty-one thousand forty-five
Scientific notation
2.0121045 × 10^7
Engineering notation
2.0121045 × 10^6
Prime Factorization
3 × 35 × 71 × 2699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121045
Product of the distinct prime numbers
The prime factorization of 20121045 is 3 × 35 × 71 × 2699.
Since it has a total of 4 prime factors.
6 , 1 , 95 , 54 , 594 , 62 , 3235 , 8733 , 85649 , 75114 , 231942 , 913282 , 1604091 , 4012846 , 43106287 , 44997105 , 927717850 , 885378969 , 4824657207 , 8393219520
n×2
40242090
n×3
60363135
n×4
80484180
n×5
100605225
n÷2
10060522.5
n÷3
6707015
n÷3
5030261.25
n÷5
4024209
n2
404856451892025
n3
8.1461348870598E+21
n4
1.639087466386E+29
n5
3.2980152670089E+36
2 √n
4485.6487825063
3 √n
271.98827173334
4 √n
66.974986244913
5 √n
28.888840192781
1 , 3 , 35 , 71 , 105 , 213 , 2485 , 2699 , 7455 , 8097 , 94465 , 191629 , 283395 , 574887 , 6707015 , 20121045
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121044
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121045 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000010111010101
3
Ternary
1101212020212220
4
Quaternary
1030300113111
5
Quinary
20122333140
6
Senary
1555132553
8
Octal
114602725
10
Decimal
20121045
12
Duodecimal
68a4159
16
Hexadecimal
13305d5
20
Vigesimal
65f2c5
36
Base36
bz9hx
md5
c29118d5c90fec1eec4e006ee8202cfb
sha1
3b588bd7288544612869c50ccb31086607ffd39d
sha256
f538ae95711215b55642e1c0cd86a0da169cc90ad4b98211e2fa54539a0e23a1
sha512
dcb7a3568cbd4abb0726fb9b56760a6bdd44e5e428fb89ec33383e3a847bb961223b41ad26e1db23d9666998af371ac4a44ffd19357fe471f2df06a4745454a4
ripemd-160
e96975fdb430862e9b010f02c03efd8a5941d397
Diameter
40242090
Circumference
126424254.3091
Area
1.2718940550224E+15
Volume
3.4122450021785E+22
Surface area
5.0875762200897E+15
Circumference
126424254.3091
Perimeter
80484180
Area
404856451892025
Diagonal
28455454.728119
Surface area
2429138711352150
Volume
8.1461348870598E+21
Space diagonal
34850672.24138
Perimeter
60363135
Area
1.7530798611226E+14
Altitude
17425336.12069
Surface area
1.7530798611226E+14
Volume
9.6003120318338E+20
Height
9485151.5760398