20145955 is an odd 8-digits composite number following 20145954
and preceding 20145956 . In scientific notation, it is written as 2.0145955 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 16086528 positive integers (up to 20145955) that are relatively prime to 20145955.
20145955 has 8 divisors, whose sum is 24220512
The reverse of 20145955 is 55954102
Previous prime number is 577
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-five thousand nine hundred fifty-five
Scientific notation
2.0145955 × 10^7
Engineering notation
2.0145955 × 10^6
Prime Factorization
5 × 577 × 6983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20145955
Product of the distinct prime numbers
The prime factorization of 20145955 is 5 × 577 × 6983.
Since it has a total of 3 prime factors.
6 , 5 , 26 , 100 , 143 , 432 , 6426 , 4264 , 79507 , 59509 , 858679 , 815211 , 537987 , 6248180 , 81246213 , 92939698 , 722197096 , 170954236 , 5906093672 , 9026940253
n×2
40291910
n×3
60437865
n×4
80583820
n×5
100729775
n÷2
10072977.5
n÷3
6715318.3333333
n÷3
5036488.75
n÷5
4029191
n2
405859502862025
n3
8.1764272809807E+21
n4
1.6472193606341E+29
n5
3.3184807114463E+36
2 √n
4488.4245565677
3 √n
272.10046659935
4 √n
66.995705508396
5 √n
28.895989572102
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
-20145954
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 20145955 can be divided by 8 positive divisors.
The sum of these divisors (counting 20145955) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110011100100011
3
Ternary
1101220112001111
4
Quaternary
1030312130203
5
Quinary
20124132310
6
Senary
1555444151
8
Octal
114663443
10
Decimal
20145955
12
Duodecimal
68b6657
16
Hexadecimal
1336723
20
Vigesimal
65i4hf
36
Base36
bzspv
md5
cf7ef6cfdcc2581e6d6a28586bb2ac22
sha1
249dbac9792f94a37450a2f74c39bbac3c8ff3c0
sha256
18c127fb034491ee01b4c4dd4719d0c643152978e885f514635fa0ae7571f63e
sha512
6b0e6b67f7965535058e26ecb0cb2c18567f0d9bcfacd16c7178095a8f70b80f34290b350bb9ba5b6525a78bf1827a117f416f75452f96507d89021efab2f7e1
ripemd-160
00d693e680256a6ec49f3da39ea036ab24d3b7d1
Diameter
40291910
Circumference
126580768.4551
Area
1.2750452325809E+15
Volume
3.424933850472E+22
Surface area
5.1001809303238E+15
Circumference
126580768.4551
Perimeter
80583820
Area
405859502862025
Diagonal
28490682.787958
Surface area
2435157017172150
Volume
8.1764272809807E+21
Space diagonal
34893817.626996
Perimeter
60437865
Area
1.7574231992292E+14
Altitude
17446908.813498
Surface area
1.7574231992292E+14
Volume
9.6360119604336E+20
Height
9496894.2626527