19985908 is an even 8-digits composite number following 19985907
and preceding 19985909 . In scientific notation, it is written as 1.9985908 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors.
There are 9992952 positive integers (up to 19985908) that are relatively prime to 19985908.
19985908 has 6 divisors, whose sum is 34975346
The reverse of 19985908 is 80958991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred eighty-five thousand nine hundred eight
Scientific notation
1.9985908 × 10^7
Engineering notation
1.9985908 × 10^6
Prime Factorization
2 × 2 × 4996477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9992954
Product of the distinct prime numbers
The prime factorization of 19985908 is 2 × 2 × 4996477.
Since it has a total of 3 prime factors.
7 , 4 , 39 , 71 , 464 , 26 , 3356 , 4299 , 46771 , 48046 , 756941 , 894816 , 8116704 , 8400009 , 75259437 , 61589044 , 25953340 , 998960838 , 4776794034 , 9065084948
n×2
39971816
n×3
59957724
n×4
79943632
n×5
99929540
n÷2
9992954
n÷3
6661969.3333333
n÷3
4996477
n÷5
3997181.6
n2
399436518584464
n3
7.9831015122694E+21
n4
1.5954953237888E+29
n5
3.1887422755673E+36
2 √n
4470.5601438746
3 √n
271.37799405851
4 √n
66.862247523356
5 √n
28.849930866254
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19985907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19985908 can be divided by 6 positive divisors.
The sum of these divisors (counting 19985908) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100001111010111110100
3
Ternary
1101121101111211
4
Quaternary
1030033113310
5
Quinary
20104022113
6
Senary
1552211204
8
Octal
114172764
10
Decimal
19985908
12
Duodecimal
6839b04
16
Hexadecimal
130f5f4
20
Vigesimal
64i4f8
36
Base36
bwd84
md5
cf23b7aeac1f4774837e7f6e45a20f94
sha1
c005fd74e147212a7763fd8d3fbadecc78432c18
sha256
7b4fb5d4773f8b1f8574cae5c07bc4cd6c041252dd0fa2a2c963bd1c9ac06bf6
sha512
1a1d683c3c4ced2d8afc527b45249d33f2b3226e6947ead6c46ce848924da33cf4a77d168d447435096a0143eb47e6d130aae306564e91f0586d308a53337850
ripemd-160
29e47d6af8aed8fdd51d231353815314a91950a7
Diameter
39971816
Circumference
125575163.49624
Area
1.2548668323604E+15
Volume
3.3439537418409E+22
Surface area
5.0194673294417E+15
Circumference
125575163.49624
Perimeter
79943632
Area
399436518584464
Diagonal
28264342.149941
Surface area
2396619111506784
Volume
7.9831015122694E+21
Space diagonal
34616608.091397
Perimeter
59957724
Area
1.7296108614668E+14
Altitude
17308304.045699
Surface area
1.7296108614668E+14
Volume
9.4081753570438E+20
Height
9421447.3833136