20143855 is an odd 8-digits composite number following 20143854
and preceding 20143856 . In scientific notation, it is written as 2.0143855 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 16115080 positive integers (up to 20143855) that are relatively prime to 20143855.
20143855 has 4 divisors, whose sum is 24172632
The reverse of 20143855 is 55834102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred forty-three thousand eight hundred fifty-five
Scientific notation
2.0143855 × 10^7
Engineering notation
2.0143855 × 10^6
Prime Factorization
5 × 4028771
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20143855
Product of the distinct prime numbers
The prime factorization of 20143855 is 5 × 4028771.
Since it has a total of 2 prime factors.
3 , 8 , 84 , 14 , 138 , 843 , 9896 , 6780 , 87748 , 10338 , 895298 , 185604 , 3543690 , 2254319 , 84728884 , 81096648 , 207221386 , 39920748 , 7442131278 , 5190879196
n×2
40287710
n×3
60431565
n×4
80575420
n×5
100719275
n÷2
10071927.5
n÷3
6714618.3333333
n÷3
5035963.75
n÷5
4028771
n2
405774894261025
n3
8.1738706326344E+21
n4
1.6465326481255E+29
n5
3.3167514916605E+36
2 √n
4488.1906153817
3 √n
272.09101175121
4 √n
66.993959543989
5 √n
28.895387127508
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
-20143854
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 20143855 can be divided by 4 positive divisors.
The sum of these divisors (counting 20143855) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110101111011101111
3
Ternary
1101220102011201
4
Quaternary
1030311323233
5
Quinary
20124100410
6
Senary
1555430331
8
Octal
114657357
10
Decimal
20143855
12
Duodecimal
68b53a7
16
Hexadecimal
1335eef
20
Vigesimal
65hjcf
36
Base36
bzr3j
md5
e010bf4d3bb68291164985a022dc1f0a
sha1
7280413ca4bd81e396e2c30c625c37f6aff66cdb
sha256
e0ac843273b53c6295a6e3ac29ff5d32b968b8d6ceffb986da84a2669fd3c288
sha512
5a133b2b32a3cfe72352a0354aeeb417a5e45beb83ea5ba1b061e5b704ecdf39365fb9d9397a13173f28a109d68b86038d7883b435378eb387e2af28fd956e02
ripemd-160
93e7b2d8945fec65c40fd77b7680c15ad3f5c656
Diameter
40287710
Circumference
126567573.76596
Area
1.2747794268216E+15
Volume
3.423862924117E+22
Surface area
5.0991177072864E+15
Circumference
126567573.76596
Perimeter
80575420
Area
405774894261025
Diagonal
28487712.939477
Surface area
2434649365566150
Volume
8.1738706326344E+21
Space diagonal
34890180.3203
Perimeter
60431565
Area
1.75705683324E+14
Altitude
17445090.16015
Surface area
1.75705683324E+14
Volume
9.6329989214623E+20
Height
9495904.313159