19938765 is an odd 8-digits composite number following 19938764
and preceding 19938766 . In scientific notation, it is written as 1.9938765 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 8121600 positive integers (up to 19938765) that are relatively prime to 19938765.
19938765 has 32 divisors, whose sum is 30426624
The reverse of 19938765 is 56783991
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred thirty-eight thousand seven hundred sixty-five
Scientific notation
1.9938765 × 10^7
Engineering notation
1.9938765 × 10^6
Prime Factorization
3 × 35 × 11 × 61 × 283
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19938765
Product of the distinct prime numbers
The prime factorization of 19938765 is 3 × 35 × 11 × 61 × 283.
Since it has a total of 5 prime factors.
9 , 5 , 90 , 43 , 727 , 613 , 8254 , 2382 , 61789 , 78774 , 413642 , 958595 , 9824669 , 6891669 , 39315651 , 55695842 , 27466038 , 420544563 , 5053235279 , 6266041524
n×2
39877530
n×3
59816295
n×4
79755060
n×5
99693825
n÷2
9969382.5
n÷3
6646255
n÷3
4984691.25
n÷5
3987753
n2
397554349725225
n3
7.9267427538991E+21
n4
1.5804946098545E+29
n5
3.1513110609655E+36
2 √n
4465.2844254314
3 √n
271.16444950855
4 √n
66.822783730038
5 √n
28.836307693647
1 , 3 , 11 , 33 , 35 , 61 , 105 , 183 , 283 , 385 , 671 , 849 , 1155 , 2013 , 2135 , 3113 , 6405 , 9339 , 9905 , 17263 , 23485 , 29715 , 51789 , 70455 , 108955 , 189893 , 326865 , 569679 , 604205 , 1812615 , 6646255 , 19938765
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19938764
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19938765 can be divided by 32 positive divisors.
The sum of these divisors (counting 19938765) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100000011110111001101
3
Ternary
1101111222211210
4
Quaternary
1030003313031
5
Quinary
20101020030
6
Senary
1551205033
8
Octal
114036715
10
Decimal
19938765
12
Duodecimal
6816779
16
Hexadecimal
1303dcd
20
Vigesimal
64c6i5
36
Base36
bvcul
md5
9f529f4ee476552bc2eff6f9b6ae92a1
sha1
9a42e992d693b8d64688bcc31772e510ce61c9fe
sha256
18ca00a64d45a77687b298fff35bc61186750105cc2dd4f817563d5cb82628ba
sha512
1bd2097b836fd9f0de028a73d702fff427181a7e6f01c2baf91f4bb612ab1821bca9e4498e9ad43f14eee510da540dc0342dacc85bd4b6dd16839baeb510492c
ripemd-160
95db5a8b71014bf335e7481eae23e929fd3b4d76
Diameter
39877530
Circumference
125278955.29131
Area
1.2489538244994E+15
Volume
3.3203462403394E+22
Surface area
4.9958152979977E+15
Circumference
125278955.29131
Perimeter
79755060
Area
397554349725225
Diagonal
28197671.87997
Surface area
2385326098351350
Volume
7.9267427538991E+21
Space diagonal
34534954.020176
Perimeter
59816295
Area
1.7214608312352E+14
Altitude
17267477.010088
Surface area
1.7214608312352E+14
Volume
9.3417559233389E+20
Height
9399223.95999