189861 is an odd 6-digits composite number following 189860
and preceding 189862 . In scientific notation, it is written as 1.89861 × 10^5.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 108480 positive integers (up to 189861) that are relatively prime to 189861.
189861 has 8 divisors, whose sum is 289344
The reverse of 189861 is 168981
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 33
Digital Root 6
Name
one hundred eighty-nine thousand eight hundred sixty-one
Scientific notation
1.89861 × 10^5
Engineering notation
1.89861 × 10^3
Prime Factorization
3 × 7 × 9041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
189861
Product of the distinct prime numbers
The prime factorization of 189861 is 3 × 7 × 9041.
Since it has a total of 3 prime factors.
4 , 2 , 79 , 8 , 808 , 168 , 1586 , 5121 , 84127 , 19926 , 13863 , 213107 , 4263023 , 2125387 , 31261477 , 24810372 , 713859246 , 309948628 , 2131959426 , 2967495322
n×2
379722
n×3
569583
n×4
759444
n×5
949305
n÷2
94930.5
n÷3
63287
n÷3
47465.25
n÷5
37972.2
n2
36047199321
n3
6843957310284381
n4
1.2994005788879E+21
n5
2.4670549330824E+26
2 √n
435.7304212469
3 √n
57.474948129086
4 √n
20.874156779302
5 √n
11.368080827874
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
-189860
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 189861 can be divided by 8 positive divisors.
The sum of these divisors (counting 189861) is 1, the average is 0.125.
Base
System
Value
2
Binary
101110010110100101
3
Ternary
100122102220
4
Quaternary
232112211
5
Quinary
22033421
6
Senary
4022553
8
Octal
562645
10
Decimal
189861
12
Duodecimal
91a59
16
Hexadecimal
2e5a5
20
Vigesimal
13ed1
36
Base36
42hx
md5
35554fbdb67a60fcfd7cfd052ce3d1e2
sha1
69821be945c0c01689466eb67f184a39ccf39d54
sha256
919e895cdb695751f5fc0d680e65f74d765e402f63c1c1963001ceb4153fa726
sha512
caec3114e73f433f7c47fc6de69f792b3a7b8e9176195828c7698e0c245caab1374269b9d1d06b3a090941867d21fcb8d9283009759bdcd4eb32f6ef36a3faf4
ripemd-160
42ddf5f01fa4769a207db74a880a88cc7133fd9b
Diameter
379722
Circumference
1192931.8456064
Area
113245616569.34
Volume
2.8667901343295E+16
Surface area
452982466277.36
Circumference
1192931.8456064
Perimeter
759444
Area
36047199321
Diagonal
268504.00116572
Surface area
216283195926
Volume
6843957310284381
Space diagonal
328848.89837583
Perimeter
569583
Area
15608895173.634
Altitude
164424.44918792
Surface area
15608895173.634
Volume
8.0656810404222E+14
Height
89501.333721906