20143885 is an odd 8-digits composite number following 20143884
and preceding 20143886 . In scientific notation, it is written as 2.0143885 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 15732288 positive integers (up to 20143885) that are relatively prime to 20143885.
20143885 has 16 divisors, whose sum is 24754176
The reverse of 20143885 is 58834102
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred forty-three thousand eight hundred eighty-five
Scientific notation
2.0143885 × 10^7
Engineering notation
2.0143885 × 10^6
Prime Factorization
5 × 157 × 67 × 383
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20143885
Product of the distinct prime numbers
The prime factorization of 20143885 is 5 × 157 × 67 × 383.
Since it has a total of 4 prime factors.
8 , 8 , 9 , 78 , 168 , 965 , 7395 , 7596 , 73577 , 30487 , 989669 , 272310 , 519150 , 5611222 , 83178645 , 35514630 , 984793775 , 465404453 , 9090328905 , 1459868883
n×2
40287770
n×3
60431655
n×4
80575540
n×5
100719425
n÷2
10071942.5
n÷3
6714628.3333333
n÷3
5035971.25
n÷5
4028777
n2
405776102893225
n3
8.1739071524293E+21
n4
1.6465424567921E+29
n5
3.3167761897238E+36
2 √n
4488.1939574845
3 √n
272.0911468251
4 √n
66.993984487299
5 √n
28.895395734213
1 , 5 , 67 , 157 , 335 , 383 , 785 , 1915 , 10519 , 25661 , 52595 , 60131 , 128305 , 300655 , 4028777 , 20143885
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
-20143884
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 20143885 can be divided by 16 positive divisors.
The sum of these divisors (counting 20143885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110101111100001101
3
Ternary
1101220102012211
4
Quaternary
1030311330031
5
Quinary
20124101020
6
Senary
1555430421
8
Octal
114657415
10
Decimal
20143885
12
Duodecimal
68b5411
16
Hexadecimal
1335f0d
20
Vigesimal
65hje5
36
Base36
bzr4d
md5
984c5e2079de6b6fe55ee7063145020e
sha1
43aa78c6e71371765714955f9574ba34a543bfe2
sha256
3e5808fe209b15d17fb0a1488981a323c8f3c2cde7a9d7b1c4f33db58a515947
sha512
163006c23f58701fec85e703113d770664a362674f69c64321afd964dbcfec8aca886c956e0b56a393a818ec388ec3ab8b46fd752f8bcc8c43f3e2dec749f250
ripemd-160
d8f13925697688d88bd7d0de563f60f3da2eee19
Diameter
40287770
Circumference
126567762.26152
Area
1.2747832238517E+15
Volume
3.4238782214929E+22
Surface area
5.0991328954066E+15
Circumference
126567762.26152
Perimeter
80575540
Area
405776102893225
Diagonal
28487755.365884
Surface area
2434656617359350
Volume
8.1739071524293E+21
Space diagonal
34890232.281825
Perimeter
60431655
Area
1.7570620667709E+14
Altitude
17445116.140912
Surface area
1.7570620667709E+14
Volume
9.6330419604533E+20
Height
9495918.4552947