199442987 is an odd 9-digits composite number following 199442986
and preceding 199442988 . In scientific notation, it is written as 1.99442987 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 186611040 positive integers (up to 199442987) that are relatively prime to 199442987.
199442987 has 8 divisors, whose sum is 202655232
The reverse of 199442987 is 789244991
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred ninety-nine million four hundred forty-two thousand nine hundred eighty-seven
Scientific notation
1.99442987 × 10^8
Engineering notation
1.99442987 × 10^6
Prime Factorization
1591 × 67 × 1871
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
199442987
Product of the distinct prime numbers
The prime factorization of 199442987 is 1591 × 67 × 1871.
Since it has a total of 3 prime factors.
10 , 1 , 66 , 89 , 208 , 34 , 9844 , 9005 , 64172 , 23297 , 251986 , 852817 , 1223694 , 1922934 , 49638552 , 24110835 , 575496102 , 31388050 , 8590902569 , 3243914741
n×2
398885974
n×3
598328961
n×4
797771948
n×5
997214935
n÷2
99721493.5
n÷3
66480995.666667
n÷3
49860746.75
n÷5
39888597.4
n2
39777505063482169
n3
7.9333444252685E+24
n4
1.5822499090753E+33
n5
3.1556864804647E+41
2 √n
14122.42850929
3 √n
584.26013755497
4 √n
118.8378244049
5 √n
45.70500428232
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
-199442986
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 199442987 can be divided by 8 positive divisors.
The sum of these divisors (counting 199442987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111000110100001000101011
3
Ternary
111220021202100022
4
Quaternary
23320310020223
5
Quinary
402024133422
6
Senary
31442431055
8
Octal
1370641053
10
Decimal
199442987
12
Duodecimal
5696248b
16
Hexadecimal
be3422b
20
Vigesimal
326a797
36
Base36
3aqr6z
md5
b9c98a6d5e828b3b6842c1135b5905d2
sha1
ef739557a3cc63be1b0f00f06db180df48dadbd5
sha256
3e445fd8b4e9593486b67bbcaeabb82e8bba2f9b64fa8a82cdf06fd52d4906dd
sha512
0c695035a7156da817dab3ff5a196a581c0610b800ab5ce0960ac92c2184738a57b91dbc8055e0a0a3d7879cd2b75a1b293c8edc027a2e4b413c26c8ac1ddb1d
ripemd-160
4ace565ba18626d11e0e7b4e02f3e2ec90ef4c4e
Diameter
398885974
Circumference
1253137245.5384
Area
1.2496471768557E+17
Volume
3.3231115419761E+25
Surface area
4.9985887074227E+17
Circumference
1253137245.5384
Perimeter
797771948
Area
39777505063482169
Diagonal
282054977.1356
Surface area
238665030380893014
Volume
7.9333444252685E+24
Space diagonal
345445386.6973
Perimeter
598328961
Area
1.722416494207E+16
Altitude
172722693.34865
Surface area
1.722416494207E+16
Volume
9.3495360676598E+23
Height
94018325.711867