19990947 is an odd 8-digits composite number following 19990946
and preceding 19990948 . In scientific notation, it is written as 1.9990947 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 12867680 positive integers (up to 19990947) that are relatively prime to 19990947.
19990947 has 8 divisors, whose sum is 27573840
The reverse of 19990947 is 74909991
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred ninety thousand nine hundred forty-seven
Scientific notation
1.9990947 × 10^7
Engineering notation
1.9990947 × 10^6
Prime Factorization
3 × 29 × 229781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19990947
Product of the distinct prime numbers
The prime factorization of 19990947 is 3 × 29 × 229781.
Since it has a total of 3 prime factors.
8 , 7 , 31 , 91 , 359 , 962 , 3349 , 344 , 62589 , 66516 , 807980 , 994250 , 3106608 , 673341 , 4301171 , 2613976 , 924833418 , 500823908 , 3789990791 , 6761504999
n×2
39981894
n×3
59972841
n×4
79963788
n×5
99954735
n÷2
9995473.5
n÷3
6663649
n÷3
4997736.75
n÷5
3998189.4
n2
399637961956809
n3
7.9891413166666E+21
n4
1.5971050063699E+29
n5
3.1927641535776E+36
2 √n
4471.1236842655
3 √n
271.40079944055
4 √n
66.866461580268
5 √n
28.85138549261
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
-19990946
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 19990947 can be divided by 8 positive divisors.
The sum of these divisors (counting 19990947) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000100110100011
3
Ternary
1101121122102110
4
Quaternary
1030100212203
5
Quinary
20104202242
6
Senary
1552250403
8
Octal
114204643
10
Decimal
19990947
12
Duodecimal
6840a03
16
Hexadecimal
13109a3
20
Vigesimal
64ih77
36
Base36
bwh43
md5
766073be34a9ed10e312817cb48cd9af
sha1
9a1c70e4ffd765758a6135e21b342aa9e2260beb
sha256
52bdb6a509a55b3fce9cbee179254ff59131790529578416d3875648b22bf31b
sha512
57f4317d96ff1c4e839c754c36aa9e2e43d2b938b288317f32384325111af2de63471b7b82c2a980c3b78d7202f592ea064c5e4d7e8c748ff16e802024ea102f
ripemd-160
bcd6ccdb138c2bda1f81551b8388270f50a41c98
Diameter
39981894
Circumference
125606824.46701
Area
1.2554996853791E+15
Volume
3.3464836891907E+22
Surface area
5.0219987415164E+15
Circumference
125606824.46701
Perimeter
79963788
Area
399637961956809
Diagonal
28271468.372082
Surface area
2397827771740854
Volume
7.9891413166666E+21
Space diagonal
34625335.895417
Perimeter
59972841
Area
1.7304831368562E+14
Altitude
17312667.947708
Surface area
1.7304831368562E+14
Volume
9.4152933347876E+20
Height
9423822.7906939