18992021 is an odd 8-digits composite number following 18992020
and preceding 18992022 . In scientific notation, it is written as 1.8992021 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 18708492 positive integers (up to 18992021) that are relatively prime to 18992021.
18992021 has 4 divisors, whose sum is 19275552
The reverse of 18992021 is 12029981
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighteen million nine hundred ninety-two thousand twenty-one
Scientific notation
1.8992021 × 10^7
Engineering notation
1.8992021 × 10^6
Prime Factorization
67 × 283463
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18992021
Product of the distinct prime numbers
The prime factorization of 18992021 is 67 × 283463.
Since it has a total of 2 prime factors.
4 , 4 , 5 , 25 , 142 , 802 , 9117 , 9401 , 17899 , 40531 , 665845 , 962347 , 5445590 , 1912857 , 14876145 , 80766019 , 155038863 , 889159106 , 4617429338 , 2217906275
n×2
37984042
n×3
56976063
n×4
75968084
n×5
94960105
n÷2
9496010.5
n÷3
6330673.6666667
n÷3
4748005.25
n÷5
3798404.2
n2
360696861664441
n3
6.8503623713652E+21
n4
1.3010222601458E+29
n5
2.4709042086156E+36
2 √n
4357.9835933606
3 √n
266.80280670054
4 √n
66.01502551208
5 √n
28.557108813077
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
-18992020
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 18992021 can be divided by 4 positive divisors.
The sum of these divisors (counting 18992021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011100101110010101
3
Ternary
1022201220011012
4
Quaternary
1020130232111
5
Quinary
14330221041
6
Senary
1515022005
8
Octal
110345625
10
Decimal
18992021
12
Duodecimal
643a905
16
Hexadecimal
121cb95
20
Vigesimal
5ie011
36
Base36
bb2c5
md5
3701d7cb6820d92c579bc5c9d4509c26
sha1
7e815b7dae25efa2049d971947ada13023c17c17
sha256
bb5a1dc395cb5309fd8b33dc1d5b4ad67874302090f71f492e0d048c46e4bdd5
sha512
251dc096c95a1a761635057104f7a9042eaa572feb1666df3aed91aa81c86417873b3535dae2dfc56cf535a1ff4110714f152f85622c1b3f3821cd350e026d26
ripemd-160
521ca59cbc3b329090ab778bd01c7a56024d0ce3
Diameter
37984042
Circumference
119330387.30085
Area
1.1331626107779E+15
Volume
2.8694730800412E+22
Surface area
4.5326504431116E+15
Circumference
119330387.30085
Perimeter
75968084
Area
360696861664441
Diagonal
26858773.675075
Surface area
2164181169986646
Volume
6.8503623713652E+21
Space diagonal
32895145.310415
Perimeter
56976063
Area
1.5618632263336E+14
Altitude
16447572.655208
Surface area
1.5618632263336E+14
Volume
8.0732294772958E+20
Height
8952924.5583582