19990746 is an even 8-digits composite number following 19990745
and preceding 19990747 . In scientific notation, it is written as 1.9990746 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 6663564 positive integers (up to 19990746) that are relatively prime to 19990746.
19990746 has 16 divisors, whose sum is 44424000
The reverse of 19990746 is 64709991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred ninety thousand seven hundred forty-six
Scientific notation
1.9990746 × 10^7
Engineering notation
1.9990746 × 10^6
Prime Factorization
2 × 9 × 3 × 370199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19990746
Product of the distinct prime numbers
The prime factorization of 19990746 is 2 × 9 × 3 × 370199.
Since it has a total of 4 prime factors.
4 , 4 , 73 , 11 , 509 , 794 , 3745 , 2919 , 94835 , 32485 , 55974 , 459301 , 8256703 , 7075214 , 99240638 , 66238082 , 537929899 , 849213569 , 5991580501 , 6225545502
n×2
39981492
n×3
59972238
n×4
79962984
n×5
99953730
n÷2
9995373
n÷3
6663582
n÷3
4997686.5
n÷5
3998149.2
n2
399629925636516
n3
7.9889003373985E+21
n4
1.5970407746425E+29
n5
3.1926036477521E+36
2 √n
4471.101206638
3 √n
271.39988983309
4 √n
66.866293501569
5 √n
28.85132747483
1 , 2 , 3 , 6 , 9 , 18 , 27 , 54 , 370199 , 740398 , 1110597 , 2221194 , 3331791 , 6663582 , 9995373 , 19990746
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
-19990745
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 19990746 can be divided by 16 positive divisors.
The sum of these divisors (counting 19990746) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010000100011011010
3
Ternary
1101121122011000
4
Quaternary
1030100203122
5
Quinary
20104200441
6
Senary
1552245430
8
Octal
114204332
10
Decimal
19990746
12
Duodecimal
6840876
16
Hexadecimal
13108da
20
Vigesimal
64igh6
36
Base36
bwgyi
md5
528237220d71919884973d8554a6081c
sha1
9fb0863b0e7de77f46be0a441dd7b60e6e074e0a
sha256
b1f1dd60980780ed945be59edf2e7782331c42c6c7ddeb7dcf3bdc7ddd53ed7a
sha512
d5e4af77119a73f643abf7892e23f4ab3519128555ff46348a2b448e55f1e29e9ff05ffd210643c2fa656289f8d3ba7587ae4afcedcc5d2468850919d98a3f28
ripemd-160
88d16c136291d84c1c6a36e018db10d6f068ac68
Diameter
39981492
Circumference
125605561.54676
Area
1.2554744385343E+15
Volume
3.3463827480309E+22
Surface area
5.0218977541373E+15
Circumference
125605561.54676
Perimeter
79962984
Area
399629925636516
Diagonal
28271184.115156
Surface area
2397779553819096
Volume
7.9889003373985E+21
Space diagonal
34624987.753204
Perimeter
59972238
Area
1.7304483385685E+14
Altitude
17312493.876602
Surface area
1.7304483385685E+14
Volume
9.4150093379966E+20
Height
9423728.0383852