20145207 is an odd 8-digits composite number following 20145206
and preceding 20145208 . In scientific notation, it is written as 2.0145207 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13415360 positive integers (up to 20145207) that are relatively prime to 20145207.
20145207 has 8 divisors, whose sum is 26889840
The reverse of 20145207 is 70254102
Previous prime number is 1061
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred forty-five thousand two hundred seven
Scientific notation
2.0145207 × 10^7
Engineering notation
2.0145207 × 10^6
Prime Factorization
3 × 1061 × 6329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145207
Product of the distinct prime numbers
The prime factorization of 20145207 is 3 × 1061 × 6329.
Since it has a total of 3 prime factors.
4 , 5 , 30 , 28 , 45 , 372 , 3405 , 2422 , 42643 , 51765 , 870811 , 628751 , 619551 , 4271309 , 95754057 , 16695688 , 652676268 , 474132938 , 2122126915 , 426332097
n×2
40290414
n×3
60435621
n×4
80580828
n×5
100726035
n÷2
10072603.5
n÷3
6715069
n÷3
5036301.75
n÷5
4029041.4
n2
405829365072849
n3
8.1755165660711E+21
n4
1.6469747355543E+29
n5
3.3178646971512E+36
2 √n
4488.3412303433
3 √n
272.09709894783
4 √n
66.995083628154
5 √n
28.895774992836
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
-20145206
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 20145207 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145207) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110010000110111
3
Ternary
1101220111000210
4
Quaternary
1030312100313
5
Quinary
20124121312
6
Senary
1555440503
8
Octal
114662067
10
Decimal
20145207
12
Duodecimal
68b6133
16
Hexadecimal
1336437
20
Vigesimal
65i307
36
Base36
bzs53
md5
d77f5d3c0a78b206ad7b22aecc7281e5
sha1
c1b64b7f44dd9f3cd6af331875ebe97197438bb8
sha256
1c4680c86ab538ab050ad3a8264cb084876d886834e26f9cc01e6035cfa39c51
sha512
625235995c5994a336e84475362715a4fe9fb758cbab3ad6a682339e7cc6cbe3c9632fa381b5c7af6f3941724dbc3de6cf0eee24b13a92a21cacc4b4bd53ddbc
ripemd-160
1ae4a8c7f88a932b3872a485a576904a5b0e545a
Diameter
40290414
Circumference
126576068.63249
Area
1.2749505519239E+15
Volume
3.4245523711028E+22
Surface area
5.0998022076955E+15
Circumference
126576068.63249
Perimeter
80580828
Area
405829365072849
Diagonal
28489624.956213
Surface area
2434976190437094
Volume
8.1755165660711E+21
Space diagonal
34892522.052992
Perimeter
60435621
Area
1.757292698774E+14
Altitude
17446261.026496
Surface area
1.757292698774E+14
Volume
9.6349386726197E+20
Height
9496541.6520711