19991804 is an even 8-digits composite number following 19991803
and preceding 19991805 . In scientific notation, it is written as 1.9991804 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 18 positive divisors.
There are 8567832 positive integers (up to 19991804) that are relatively prime to 19991804.
19991804 has 18 divisors, whose sum is 40698000
The reverse of 19991804 is 40819991
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred ninety-one thousand eight hundred four
Scientific notation
1.9991804 × 10^7
Engineering notation
1.9991804 × 10^6
Prime Factorization
2 × 2 × 7 × 7 × 101999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1427986
Product of the distinct prime numbers
The prime factorization of 19991804 is 2 × 2 × 7 × 7 × 101999.
Since it has a total of 5 prime factors.
4 , 9 , 66 , 55 , 842 , 208 , 9178 , 4633 , 79493 , 1916 , 599855 , 64310 , 9101853 , 650970 , 81240872 , 76768419 , 847489200 , 621015642 , 1753829831 , 3885001835
n×2
39983608
n×3
59975412
n×4
79967216
n×5
99959020
n÷2
9995902
n÷3
6663934.6666667
n÷3
4997951
n÷5
3998360.8
n2
399672227174416
n3
7.9901688299144E+21
n4
1.5973788917456E+29
n5
3.1934485717515E+36
2 √n
4471.2195204441
3 √n
271.40467764871
4 √n
66.867178200101
5 √n
28.851632856713
1 , 2 , 4 , 7 , 14 , 28 , 49 , 98 , 196 , 101999 , 203998 , 407996 , 713993 , 1427986 , 2855972 , 4997951 , 9995902 , 19991804
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19991803
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19991804 can be divided by 18 positive divisors.
The sum of these divisors (counting 19991804) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100010000110011111100
3
Ternary
1101121200121012
4
Quaternary
1030100303330
5
Quinary
20104214204
6
Senary
1552254352
8
Octal
114206374
10
Decimal
19991804
12
Duodecimal
68413b8
16
Hexadecimal
1310cfc
20
Vigesimal
64ija4
36
Base36
bwhrw
md5
0a20b5c1c510203b6778af9ce461bbb6
sha1
c0a85af1d113d4b1ce52c5c0c31f6328983a1477
sha256
7c01360c12e50144ad51380ab0b24162e968be741aa5e2723bc55ad6842a71e6
sha512
e462f7164745bf839c0e9d9c7b016b3555443e2b16083acedce5a6ff55531b953aa32a68b01e87717fe8fda601493738a5c2fc19b5138e1f3f3235faaef306f2
ripemd-160
2c0088b14e6caeedcb6e433bfb7e43dbab4d593f
Diameter
39983608
Circumference
125612209.15681
Area
1.255607332735E+15
Volume
3.3469140929335E+22
Surface area
5.0224293309401E+15
Circumference
125612209.15681
Perimeter
79967216
Area
399672227174416
Diagonal
28272680.353105
Surface area
2398033363046496
Volume
7.9901688299144E+21
Space diagonal
34626820.262959
Perimeter
59975412
Area
1.7306315096007E+14
Altitude
17313410.131479
Surface area
1.7306315096007E+14
Volume
9.4165042707631E+20
Height
9424226.7843682