20001861 is an odd 8-digits composite number following 20001860
and preceding 20001862 . In scientific notation, it is written as 2.0001861 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 12062400 positive integers (up to 20001861) that are relatively prime to 20001861.
20001861 has 16 divisors, whose sum is 24364800
The reverse of 20001861 is 16810002
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one thousand eight hundred sixty-one
Scientific notation
2.0001861 × 10^7
Engineering notation
2.0001861 × 10^6
Prime Factorization
9 × 11 × 281 × 719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20001861
Product of the distinct prime numbers
The prime factorization of 20001861 is 9 × 11 × 281 × 719.
Since it has a total of 4 prime factors.
6 , 1 , 39 , 89 , 445 , 162 , 7382 , 29 , 23494 , 10219 , 58775 , 490192 , 9526932 , 1001681 , 92062236 , 45635420 , 808987582 , 378010883 , 4924591744 , 4292543734
n×2
40003722
n×3
60005583
n×4
80007444
n×5
100009305
n÷2
10000930.5
n÷3
6667287
n÷3
5000465.25
n÷5
4000372.2
n2
400074443463321
n3
8.0022334078057E+21
n4
1.6005956031249E+29
n5
3.2014890770915E+36
2 √n
4472.344016285
3 √n
271.45018061701
4 √n
66.875586100497
5 √n
28.854535071064
1 , 9 , 11 , 99 , 281 , 719 , 2529 , 3091 , 6471 , 7909 , 27819 , 71181 , 202039 , 1818351 , 2222429 , 20001861
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
-20001860
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 20001861 can be divided by 16 positive divisors.
The sum of these divisors (counting 20001861) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010011010001000101
3
Ternary
1101122012101200
4
Quaternary
1030103101011
5
Quinary
20110024421
6
Senary
1552413113
8
Octal
114232105
10
Decimal
20001861
12
Duodecimal
6847199
16
Hexadecimal
1313445
20
Vigesimal
6504d1
36
Base36
bwpj9
md5
e0b839e3eccb0ae72d3bd4c004656147
sha1
eacbb6d74b0a70678406f55de2fcb99019b402c8
sha256
fc640b9e489acb25b57f1adb602fb1c99eb1ec9bd246e290028c4ebc581559b7
sha512
bfa4d9e42954abb1e035ff3e06525d1c526f2b03b652386f9b74470e32869545fb5d05b8ec49b6de4e3053d11cd53183215cd275865b21347e21848d04954cca
ripemd-160
7afe0b5936b4c863995dc2d5530d3698c8d2e9a4
Diameter
40003722
Circumference
125675399.15145
Area
1.2568709324734E+15
Volume
3.3519676915031E+22
Surface area
5.0274837298936E+15
Circumference
125675399.15145
Perimeter
80007444
Area
400074443463321
Diagonal
28286903.098901
Surface area
2400446660779926
Volume
8.0022334078057E+21
Space diagonal
34644239.49793
Perimeter
60005583
Area
1.7323731572208E+14
Altitude
17322119.748965
Surface area
1.7323731572208E+14
Volume
9.4307225121616E+20
Height
9428967.6996338