19989766 is an even 8-digits composite number following 19989765
and preceding 19989767 . In scientific notation, it is written as 1.9989766 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 9854040 positive integers (up to 19989766) that are relatively prime to 19989766.
19989766 has 8 divisors, whose sum is 30407184
The reverse of 19989766 is 66798991
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
nineteen million nine hundred eighty-nine thousand seven hundred sixty-six
Scientific notation
1.9989766 × 10^7
Engineering notation
1.9989766 × 10^6
Prime Factorization
2 × 71 × 140773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19989766
Product of the distinct prime numbers
The prime factorization of 19989766 is 2 × 71 × 140773.
Since it has a total of 3 prime factors.
5 , 5 , 89 , 53 , 249 , 323 , 5735 , 2467 , 14601 , 58510 , 285177 , 275272 , 4172415 , 7978331 , 26154416 , 93248963 , 311333114 , 618143732 , 8124349964 , 2308397473
n×2
39979532
n×3
59969298
n×4
79959064
n×5
99948830
n÷2
9994883
n÷3
6663255.3333333
n÷3
4997441.5
n÷5
3997953.2
n2
399590744734756
n3
7.9877254830135E+21
n4
1.5967276327768E+29
n5
3.1918211744942E+36
2 √n
4470.9916126068
3 √n
271.39545484371
4 √n
66.86547399523
5 √n
28.851044595388
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
-19989765
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 19989766 can be divided by 8 positive divisors.
The sum of these divisors (counting 19989766) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010000010100000110
3
Ternary
1101121120210201
4
Quaternary
1030100110012
5
Quinary
20104133031
6
Senary
1552241114
8
Octal
114202406
10
Decimal
19989766
12
Duodecimal
684019a
16
Hexadecimal
1310506
20
Vigesimal
64ie86
36
Base36
bwg7a
md5
dfab3ec23664c4c14f67d43427bf4037
sha1
5198e0cf2f593c5c2f522c249f9c30115c6e119f
sha256
e1a18fc1c72126a1fc58b5f6c2fe6cbe0f982c38f3c875fc18575a3e44261198
sha512
721a77f6aa81c85c035188c76a930e5d6fc901247cca3e0fabfc0d2127dc805c895ba52e96b785d13776454e1ae8303cfb377c8afcca32492918709c9539ee7c
ripemd-160
ddf3aa5282d4ab73afcb03b72a6b725e0f0f7796
Diameter
39979532
Circumference
125599404.02516
Area
1.2553513481012E+15
Volume
3.345890626177E+22
Surface area
5.0214053924047E+15
Circumference
125599404.02516
Perimeter
79959064
Area
399590744734756
Diagonal
28269798.185865
Surface area
2397544468408536
Volume
7.9877254830135E+21
Space diagonal
34623290.343413
Perimeter
59969298
Area
1.7302786802872E+14
Altitude
17311645.171706
Surface area
1.7302786802872E+14
Volume
9.4136247588257E+20
Height
9423266.0619549