20145993 is an odd 8-digits composite number following 20145992
and preceding 20145994 . In scientific notation, it is written as 2.0145993 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 11511984 positive integers (up to 20145993) that are relatively prime to 20145993.
20145993 has 4 divisors, whose sum is 21105348
The reverse of 20145993 is 39954102
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-five thousand nine hundred ninety-three
Scientific notation
2.0145993 × 10^7
Engineering notation
2.0145993 × 10^6
Prime Factorization
21 × 959333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20145993
Product of the distinct prime numbers
The prime factorization of 20145993 is 21 × 959333.
Since it has a total of 2 prime factors.
6 , 10 , 60 , 38 , 457 , 760 , 2215 , 2417 , 48442 , 13618 , 21358 , 687155 , 3450925 , 2845607 , 11946860 , 82760938 , 290412777 , 472305465 , 8165012497 , 3655124800
n×2
40291986
n×3
60437979
n×4
80583972
n×5
100729965
n÷2
10072996.5
n÷3
6715331
n÷3
5036498.25
n÷5
4029198.6
n2
405861033956049
n3
8.1764735490513E+21
n4
1.6472317888387E+29
n5
3.3185120087323E+36
2 √n
4488.4287896769
3 √n
272.10063768103
4 √n
66.99573710078
5 √n
28.896000473018
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20145992
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145993 can be divided by 4 positive divisors.
The sum of these divisors (counting 20145993) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110011101001001
3
Ternary
1101220112002220
4
Quaternary
1030312131021
5
Quinary
20124132433
6
Senary
1555444253
8
Octal
114663511
10
Decimal
20145993
12
Duodecimal
68b6689
16
Hexadecimal
1336749
20
Vigesimal
65i4jd
36
Base36
bzsqx
md5
2ab22d99ac2034255dbf1d96477865e4
sha1
5d67d17ac447617454f40940fc38f374ff7a5cf8
sha256
2455a179893f1a99bdd344a0e2a2f7569ca8e77af9a5b744fe3aa5fc15e44acf
sha512
e52c3923ccb5dda45396eb96fcab3d982d7814e16aee52f1446150e29a9b6f94073edf5bf652602a954f768ff293c69528fb08cc6e979df755aa642213fa20c7
ripemd-160
fb3f18a18adc5b5bd7769e749aa5fe2d8d7d6b01
Diameter
40291986
Circumference
126581007.21614
Area
1.2750500426547E+15
Volume
3.4249532311961E+22
Surface area
5.1002001706187E+15
Circumference
126581007.21614
Perimeter
80583972
Area
405861033956049
Diagonal
28490736.528073
Surface area
2435166203736294
Volume
8.1764735490513E+21
Space diagonal
34893883.444927
Perimeter
60437979
Area
1.7574298290608E+14
Altitude
17446941.722463
Surface area
1.7574298290608E+14
Volume
9.6360664878777E+20
Height
9496912.1760245