19994989 is an odd 8-digits composite number following 19994988
and preceding 19994990 . In scientific notation, it is written as 1.9994989 × 10^7.
The sum of its digits is 58. It has a total of 3 prime factors and 8 positive divisors.
There are 17078208 positive integers (up to 19994989) that are relatively prime to 19994989.
19994989 has 8 divisors, whose sum is 20475000
The reverse of 19994989 is 98949991
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 58
Digital Root 4
Name
nineteen million nine hundred ninety-four thousand nine hundred eighty-nine
Scientific notation
1.9994989 × 10^7
Engineering notation
1.9994989 × 10^6
Prime Factorization
49 × 389 × 1049
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19994989
Product of the distinct prime numbers
The prime factorization of 19994989 is 49 × 389 × 1049.
Since it has a total of 3 prime factors.
3 , 8 , 53 , 68 , 591 , 718 , 4652 , 4171 , 92182 , 57628 , 752372 , 516054 , 2695465 , 2765296 , 87939134 , 18186674 , 563695612 , 282444402 , 7049498654 , 9100326216
n×2
39989978
n×3
59984967
n×4
79979956
n×5
99974945
n÷2
9997494.5
n÷3
6664996.3333333
n÷3
4998747.25
n÷5
3998997.8
n2
399799585110121
n3
7.9939883064814E+21
n4
1.5983970825422E+29
n5
3.1959932083064E+36
2 √n
4471.575673071
3 √n
271.41908985478
4 √n
66.869841281933
5 √n
28.852552099371
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
-19994988
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 19994989 can be divided by 8 positive divisors.
The sum of these divisors (counting 19994989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010001100101101101
3
Ternary
1101121211222011
4
Quaternary
1030101211231
5
Quinary
20104314424
6
Senary
1552321221
8
Octal
114214555
10
Decimal
19994989
12
Duodecimal
6843211
16
Hexadecimal
131196d
20
Vigesimal
64j799
36
Base36
bwk8d
md5
4bdf9d51e920f8b3b1df439450194284
sha1
6cac2322bd3a3f0ce33015aa9e2557ed5e2e1ba3
sha256
dd2ae9c0f5bc4d95dbff054ea59dbfef6768392afe0e3b8a4f1d292a3064003f
sha512
ecc81961fadeb7396c18265985dd593859c151ec1b6cd90c38acfebd510acd8756521a0e62f9070fcc1ddf8a196eeb7de6613dac08f807ded8bff6de3fd80f93
ripemd-160
41d9faf4f85800e928198061efaac782ce9cbf87
Diameter
39989978
Circumference
125632221.10202
Area
1.2560074394902E+15
Volume
3.3485139915366E+22
Surface area
5.0240297579608E+15
Circumference
125632221.10202
Perimeter
79979956
Area
399799585110121
Diagonal
28277184.623301
Surface area
2398797510660726
Volume
7.9939883064814E+21
Space diagonal
34632336.844781
Perimeter
59984967
Area
1.7311829856392E+14
Altitude
17316168.42239
Surface area
1.7311829856392E+14
Volume
9.421005567065E+20
Height
9425728.207767