19778889 is an odd 8-digits composite number following 19778888
and preceding 19778890 . In scientific notation, it is written as 1.9778889 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 12171600 positive integers (up to 19778889) that are relatively prime to 19778889.
19778889 has 8 divisors, whose sum is 28400512
The reverse of 19778889 is 98887791
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
nineteen million seven hundred seventy-eight thousand eight hundred eighty-nine
Scientific notation
1.9778889 × 10^7
Engineering notation
1.9778889 × 10^6
Prime Factorization
3 × 13 × 507151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19778889
Product of the distinct prime numbers
The prime factorization of 19778889 is 3 × 13 × 507151.
Since it has a total of 3 prime factors.
1 , 4 , 29 , 90 , 93 , 475 , 7584 , 2724 , 81671 , 68360 , 812792 , 151338 , 4381667 , 4386279 , 75982942 , 60895951 , 245206140 , 885750000 , 6739963622 , 762305142
n×2
39557778
n×3
59336667
n×4
79115556
n×5
98894445
n÷2
9889444.5
n÷3
6592963
n÷3
4944722.25
n÷5
3955777.8
n2
391204450074321
n3
7.737589394326E+21
n4
1.5304092175795E+29
n5
3.0269794039082E+36
2 √n
4447.3462873943
3 √n
270.43773985831
4 √n
66.68842693747
5 √n
28.789914733443
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
-19778888
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 19778889 can be divided by 8 positive divisors.
The sum of these divisors (counting 19778889) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011011100110101001001
3
Ternary
1101012212112110
4
Quaternary
1023130311021
5
Quinary
20030411024
6
Senary
1543532533
8
Octal
113346511
10
Decimal
19778889
12
Duodecimal
675a149
16
Hexadecimal
12dcd49
20
Vigesimal
63c749
36
Base36
brxhl
md5
e9223ad44ddcc16ff6d175f8d5ef0f9e
sha1
b7288ea4274491292e5b983e738a7a226a3b3187
sha256
f5c923532deac03450640a81d963085074cdb18b1967edda7cc0f1065f22beb9
sha512
09b77d3891380264227d42d6ced11f741037456f62302918ac9a31b39e6a30ef4072543b434e00ef3c8ec094110815ca2f05dd826d51e965fabde50b24387bf0
ripemd-160
3a443575bb25ac3e224a343ae4480f8168c70c5e
Diameter
39557778
Circumference
124274424.75714
Area
1.2290050264051E+15
Volume
3.2411138663612E+22
Surface area
4.9160201056205E+15
Circumference
124274424.75714
Perimeter
79115556
Area
391204450074321
Diagonal
27971573.072472
Surface area
2347226700445926
Volume
7.737589394326E+21
Space diagonal
34258040.665265
Perimeter
59336667
Area
1.6939649591894E+14
Altitude
17129020.332633
Surface area
1.6939649591894E+14
Volume
9.1188365512751E+20
Height
9323857.690824