9919 is an odd 4-digits composite number following 9918
and preceding 9920 . In scientific notation, it is written as 9.919 × 10^3.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 7776 positive integers (up to 9919) that are relatively prime to 9919.
9919 has 8 divisors, whose sum is 12320
The reverse of 9919 is 9199
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 28
Digital Root 1
Name
nine thousand nine hundred nineteen
Scientific notation
9.919 × 10^3
Engineering notation
9.919 × 10^3
Prime Factorization
7 × 13 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9919
Product of the distinct prime numbers
The prime factorization of 9919 is 7 × 13 × 109.
Since it has a total of 3 prime factors.
3 , 10 , 28 , 21 , 808 , 371 , 6088 , 8376 , 31332 , 25295 , 97578 , 869641 , 2919795 , 3557644 , 11207096 , 43760878 , 360602527 , 24846151 , 2307749827 , 9436838505
n×2
19838
n×3
29757
n×4
39676
n×5
49595
n÷2
4959.5
n÷3
3306.3333333333
n÷3
2479.75
n÷5
1983.8
n2
98386561
n3
975896298559
n4
9679915385406721
n5
9.6015080707849E+19
2 √n
99.594176536583
3 √n
21.486019394797
4 √n
9.9796881983649
5 √n
6.299318656262
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-9918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 9919 can be divided by 8 positive divisors.
The sum of these divisors (counting 9919) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011010111111
3
Ternary
111121101
4
Quaternary
2122333
5
Quinary
304134
6
Senary
113531
8
Octal
23277
10
Decimal
9919
12
Duodecimal
58a7
16
Hexadecimal
26bf
20
Vigesimal
14fj
36
Base36
7nj
md5
ae816a80e4c1c56caa2eb4e1819cbb2f
sha1
0095f8dd9910ccf1546aa3ba4019608e8560022f
sha256
00a107a3498fa2a817681cafee6a51a17de37705bf976dbe4c9f03f122577cd3
sha512
8bfa4a5e6c652f864f9ba950c98e7ab0ba0b012df87fbdd7e4432fd90a111f5014e1af0b35103561b6d2e4b37c9a35dfde3e361f16178c84ced2fa8b6696f4cb
ripemd-160
f14b14b24582510e2419dcb702fbd7563f23beb2
Diameter
19838
Circumference
62322.915061914
Area
309090497.24956
Volume
4087824856291.2
Surface area
1236361988.9983
Circumference
62322.915061914
Perimeter
39676
Area
98386561
Diagonal
14027.584325179
Surface area
590319366
Volume
975896298559
Space diagonal
17180.211960276
Perimeter
29757
Area
42602630.608494
Altitude
8590.1059801378
Surface area
42602630.608494
Volume
115010481740.99
Height
4675.8614417262