19907 is an odd 5-digits composite number following 19906
and preceding 19908 . In scientific notation, it is written as 1.9907 × 10^4.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 18720 positive integers (up to 19907) that are relatively prime to 19907.
19907 has 4 divisors, whose sum is 21096
The reverse of 19907 is 70991
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 5
Sum of Digits 26
Digital Root 8
Name
nineteen thousand nine hundred seven
Scientific notation
1.9907 × 10^4
Engineering notation
1.9907 × 10^3
Prime Factorization
17 × 1171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19907
Product of the distinct prime numbers
The prime factorization of 19907 is 17 × 1171.
Since it has a total of 2 prime factors.
8 , 10 , 83 , 44 , 311 , 723 , 3488 , 1340 , 19920 , 9119 , 755671 , 176200 , 265628 , 3221897 , 14305828 , 46201563 , 643804585 , 79675641 , 7910577458 , 2035822078
n×2
39814
n×3
59721
n×4
79628
n×5
99535
n÷2
9953.5
n÷3
6635.6666666667
n÷3
4976.75
n÷5
3981.4
n2
396288649
n3
7888918135643
n4
157044693326245201
n5
3.1262887100456E+21
2 √n
141.09216845736
3 √n
27.102037310015
4 √n
11.878222445188
5 √n
7.241043613573
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19907 can be divided by 4 positive divisors.
The sum of these divisors (counting 19907) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110111000011
3
Ternary
1000022022
4
Quaternary
10313003
5
Quinary
1114112
6
Senary
232055
8
Octal
46703
10
Decimal
19907
12
Duodecimal
b62b
16
Hexadecimal
4dc3
20
Vigesimal
29f7
36
Base36
fcz
md5
baa905e9af0bf1f9ad514661288b8da7
sha1
1905b147e2fd99fccf3386ea4f29cb2462cfa0e2
sha256
aa34b317425d96dedd3735e67ddb85cb44d6404eade48e9a32e41bca1e265378
sha512
427ea69c1672584194bf8ddd68b089d1b2155bee14d31060059ccdaf4c0f6a5fe662a8bd865b5288233e914dcf4bc12ba28c68af53ec70346d63d3ab464cb7b7
ripemd-160
d009482ea2feb8e6ffdc47bec8648c47b57281d3
Diameter
39814
Circumference
125079.36991002
Area
1244977508.3994
Volume
33045023012943
Surface area
4979910033.5977
Circumference
125079.36991002
Perimeter
79628
Area
396288649
Diagonal
28152.749386161
Surface area
2377731894
Volume
7888918135643
Space diagonal
34479.935426274
Perimeter
59721
Area
171598018.63271
Altitude
17239.967713137
Surface area
171598018.63271
Volume
929717918323.12
Height
9384.2497953871