19781330 is an even 8-digits composite number following 19781329
and preceding 19781331 . In scientific notation, it is written as 1.9781330 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 7891200 positive integers (up to 19781330) that are relatively prime to 19781330.
19781330 has 16 divisors, whose sum is 35702424
The reverse of 19781330 is 03318791
Previous prime number is 401
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
nineteen million seven hundred eighty-one thousand three hundred thirty
Scientific notation
1.9781330 × 10^7
Engineering notation
1.9781330 × 10^6
Prime Factorization
2 × 5 × 401 × 4933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19781330
Product of the distinct prime numbers
The prime factorization of 19781330 is 2 × 5 × 401 × 4933.
Since it has a total of 4 prime factors.
8 , 7 , 6 , 21 , 218 , 120 , 650 , 4023 , 14402 , 90321 , 693576 , 791192 , 832458 , 5942361 , 71735431 , 20552860 , 867020245 , 350387347 , 7551393054 , 6009723476
n×2
39562660
n×3
59343990
n×4
79125320
n×5
98906650
n÷2
9890665
n÷3
6593776.6666667
n÷3
4945332.5
n÷5
3956266
n2
391301016568900
n3
7.7404545380849E+21
n4
1.5311648556785E+29
n5
3.028847729458E+36
2 √n
4447.620712246
3 √n
270.44886470575
4 √n
66.690484420538
5 √n
28.790625316458
1 , 2 , 5 , 10 , 401 , 802 , 2005 , 4010 , 4933 , 9866 , 24665 , 49330 , 1978133 , 3956266 , 9890665 , 19781330
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
-19781329
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 19781330 can be divided by 16 positive divisors.
The sum of these divisors (counting 19781330) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011011101011011010010
3
Ternary
1101012222212212
4
Quaternary
1023131123102
5
Quinary
20031000310
6
Senary
1543552122
8
Octal
113353322
10
Decimal
19781330
12
Duodecimal
675b642
16
Hexadecimal
12dd6d2
20
Vigesimal
63cd6a
36
Base36
brzde
md5
60096ee950387bd81a79314881772a90
sha1
e3ca595d9ae3a84fa3447c8fa47cf8e9c7b1472a
sha256
78df2beb233bae4f9c16f7d0009a49f0a3c69bb3881c50b0b74bd1263cab9545
sha512
42d78f3c4102ec1a81f66f80249e639b18e0a358c94feb3bd6136838d8a0cd5c88a1a854da49fb862105a04b59cd62bc60375fa097fd25ac103f99166c800e7e
ripemd-160
1ee0dd06fd656e61b368841992f2a99cc8c644c7
Diameter
39562660
Circumference
124289762.01247
Area
1.2293083989951E+15
Volume
3.2423140149724E+22
Surface area
4.9172335959803E+15
Circumference
124289762.01247
Perimeter
79125320
Area
391301016568900
Diagonal
27975025.167778
Surface area
2347806099413400
Volume
7.7404545380849E+21
Space diagonal
34262268.601286
Perimeter
59343990
Area
1.6943831043767E+14
Altitude
17131134.300643
Surface area
1.6943831043767E+14
Volume
9.1222131555767E+20
Height
9325008.3892593