19639739 is an odd 8-digits composite number following 19639738
and preceding 19639740 . In scientific notation, it is written as 1.9639739 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 16680384 positive integers (up to 19639739) that are relatively prime to 19639739.
19639739 has 12 divisors, whose sum is 23054904
The reverse of 19639739 is 93793691
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
nineteen million six hundred thirty-nine thousand seven hundred thirty-nine
Scientific notation
1.9639739 × 10^7
Engineering notation
1.9639739 × 10^6
Prime Factorization
7 × 7 × 113 × 3547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2805677
Product of the distinct prime numbers
The prime factorization of 19639739 is 7 × 7 × 113 × 3547.
Since it has a total of 4 prime factors.
6 , 6 , 48 , 23 , 987 , 421 , 3474 , 5545 , 16141 , 35866 , 47576 , 408666 , 3620369 , 8384862 , 22719862 , 76142445 , 417415434 , 488663229 , 6579237008 , 2304649082
n×2
39279478
n×3
58919217
n×4
78558956
n×5
98198695
n÷2
9819869.5
n÷3
6546579.6666667
n÷3
4909934.75
n÷5
3927947.8
n2
385719347988121
n3
7.5754273217369E+21
n4
1.4877941541238E+29
n5
2.9219888872717E+36
2 √n
4431.6745142215
3 √n
269.80204511654
4 √n
66.570823295356
5 √n
28.74929123717
1 , 7 , 49 , 113 , 791 , 3547 , 5537 , 24829 , 173803 , 400811 , 2805677 , 19639739
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19639738
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19639739 can be divided by 12 positive divisors.
The sum of these divisors (counting 19639739) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010111010110110111011
3
Ternary
1100221210122202
4
Quaternary
1022322312323
5
Quinary
20011432424
6
Senary
1540540415
8
Octal
112726673
10
Decimal
19639739
12
Duodecimal
66b170b
16
Hexadecimal
12badbb
20
Vigesimal
62ej6j
36
Base36
boy4b
md5
64d62fd70cca4731a0624b213441fd00
sha1
c612294286e6f8a3fd3bff2ee4cf02da0480b6f0
sha256
befdc0981c7c15dd3adaeb408b5568c989136b88b94c6034414582442df4d769
sha512
96037305f73f56c573a1cfadee6f5fe572868de25a94784b53050c56e168c9bcb4e7a3ef29673cae23b2aa0f58d92a79666802df0f8aab318e63a227d8a6aae2
ripemd-160
363e9b90f0ac2d68755ef42d9d3ed803b4d22b62
Diameter
39279478
Circumference
123400119.52164
Area
1.2117730699869E+15
Volume
3.1731875762363E+22
Surface area
4.8470922799477E+15
Circumference
123400119.52164
Perimeter
78558956
Area
385719347988121
Diagonal
27774785.255268
Surface area
2314316087928726
Volume
7.5754273217369E+21
Space diagonal
34017025.795392
Perimeter
58919217
Area
1.6702137704444E+14
Altitude
17008512.897696
Surface area
1.6702137704444E+14
Volume
8.9277267159766E+20
Height
9258261.7517559