19688840 is an even 8-digits composite number following 19688839
and preceding 19688841 . In scientific notation, it is written as 1.9688840 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 32 positive divisors.
There are 7691712 positive integers (up to 19688840) that are relatively prime to 19688840.
19688840 has 32 divisors, whose sum is 45334080
The reverse of 19688840 is 04888691
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
nineteen million six hundred eighty-eight thousand eight hundred forty
Scientific notation
1.9688840 × 10^7
Engineering notation
1.9688840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 43 × 11447
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4922210
Product of the distinct prime numbers
The prime factorization of 19688840 is 2 × 2 × 2 × 5 × 43 × 11447.
Since it has a total of 6 prime factors.
4 , 2 , 83 , 32 , 991 , 539 , 18 , 4361 , 95335 , 69929 , 666817 , 153923 , 4387729 , 4538552 , 16254963 , 49805072 , 45451675 , 720618055 , 4600466330 , 2293979473
n×2
39377680
n×3
59066520
n×4
78755360
n×5
98444200
n÷2
9844420
n÷3
6562946.6666667
n÷3
4922210
n÷5
3937768
n2
387650420545600
n3
7.632387106055E+21
n4
1.5027284854918E+29
n5
2.958698071429E+36
2 √n
4437.2108356489
3 √n
270.02670060592
4 √n
66.612392508068
5 √n
28.763652012499
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 43 , 86 , 172 , 215 , 344 , 430 , 860 , 1720 , 11447 , 22894 , 45788 , 57235 , 91576 , 114470 , 228940 , 457880 , 492221 , 984442 , 1968884 , 2461105 , 3937768 , 4922210 , 9844420 , 19688840
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
-19688839
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 19688840 can be divided by 32 positive divisors.
The sum of these divisors (counting 19688840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011000110110110001000
3
Ternary
1101001022000022
4
Quaternary
1023012312020
5
Quinary
20020020330
6
Senary
1542000012
8
Octal
113066610
10
Decimal
19688840
12
Duodecimal
6716008
16
Hexadecimal
12c6d88
20
Vigesimal
631220
36
Base36
bq008
md5
0049210d6d5fc0585b3a94390a8a2cce
sha1
e6f2ddd2f944babb6df778f2ea1aa5ae66fd4a66
sha256
c9236f96fb5b89b7e98a47911ed2e36f01b33414eae6652b84a9a60a07d91284
sha512
9bc1e5b39559f6598b8244df9dc34a980a885ac26df9820e3761b4b8eaa2689216a57594f48a3240ef34fbcd7e9a2ef903fe2b3f556d8bd8a92fad1001f3e1dd
ripemd-160
c96d86de36a9bcdb0285fef64db657efa12e8b2b
Diameter
39377680
Circumference
123708630.20341
Area
1.2178397133471E+15
Volume
3.1970468348981E+22
Surface area
4.8713588533882E+15
Circumference
123708630.20341
Perimeter
78755360
Area
387650420545600
Diagonal
27844224.555394
Surface area
2325902523273600
Volume
7.632387106055E+21
Space diagonal
34102071.222094
Perimeter
59066520
Area
1.6785755599011E+14
Altitude
17051035.611047
Surface area
1.6785755599011E+14
Volume
8.9948544655538E+20
Height
9281408.1851313