18961946 is an even 8-digits composite number following 18961945
and preceding 18961947 . In scientific notation, it is written as 1.8961946 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 9480972 positive integers (up to 18961946) that are relatively prime to 18961946.
18961946 has 4 divisors, whose sum is 28442922
The reverse of 18961946 is 64916981
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighteen million nine hundred sixty-one thousand nine hundred forty-six
Scientific notation
1.8961946 × 10^7
Engineering notation
1.8961946 × 10^6
Prime Factorization
2 × 9480973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18961946
Product of the distinct prime numbers
The prime factorization of 18961946 is 2 × 9480973.
Since it has a total of 2 prime factors.
8 , 6 , 93 , 100 , 194 , 247 , 5085 , 3058 , 16884 , 28421 , 63556 , 459524 , 9164353 , 6886916 , 57787755 , 9008197 , 606567533 , 136351376 , 8499535228 , 7987433972
n×2
37923892
n×3
56885838
n×4
75847784
n×5
94809730
n÷2
9480973
n÷3
6320648.6666667
n÷3
4740486.5
n÷5
3792389.2
n2
359555396106916
n3
6.817870004988E+21
n4
1.292800828696E+29
n5
2.4514019502489E+36
2 √n
4354.5316625327
3 √n
266.66189956756
4 √n
65.98887529374
5 √n
28.548058701092
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
-18961945
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 18961946 can be divided by 4 positive divisors.
The sum of these divisors (counting 18961946) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000010101011000011010
3
Ternary
1022200100220022
4
Quaternary
1020111120122
5
Quinary
14323240241
6
Senary
1514230442
8
Octal
110253032
10
Decimal
18961946
12
Duodecimal
6425422
16
Hexadecimal
121561a
20
Vigesimal
5ia4h6
36
Base36
baf4q
md5
7c5f040e0341ce10497c8101f086b9bc
sha1
c6926d3bd2cabb28f4e74c55768cd35a194cc9eb
sha256
25bcb6456567b777786ec18ff6d43e6c023275e8e473beb1726b1419c7823264
sha512
30f53c1ef1b992c9f6f532a79f1f8e415c881d03274fdef0ce55af5f30714569e2189f43aec3607cac14b0ed40dc63abb70c707cde984c6cdfe3ee902e1cb35d
ripemd-160
9d48e25ad3d664a14246d873a140a18bc390d5eb
Diameter
37923892
Circumference
119141420.50273
Area
1.1295765909681E+15
Volume
2.85586270944E+22
Surface area
4.5183063638722E+15
Circumference
119141420.50273
Perimeter
75847784
Area
359555396106916
Diagonal
26816241.202186
Surface area
2157332376641496
Volume
6.817870004988E+21
Space diagonal
32843053.882377
Perimeter
56885838
Area
1.5569205354818E+14
Altitude
16421526.941189
Surface area
1.5569205354818E+14
Volume
8.0349368562922E+20
Height
8938747.0673954