19990889 is an odd 8-digits composite number following 19990888
and preceding 19990890 . In scientific notation, it is written as 1.9990889 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 19301520 positive integers (up to 19990889) that are relatively prime to 19990889.
19990889 has 4 divisors, whose sum is 20680260
The reverse of 19990889 is 98809991
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
nineteen million nine hundred ninety thousand eight hundred eighty-nine
Scientific notation
1.9990889 × 10^7
Engineering notation
1.9990889 × 10^6
Prime Factorization
29 × 689341
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19990889
Product of the distinct prime numbers
The prime factorization of 19990889 is 29 × 689341.
Since it has a total of 2 prime factors.
1 , 2 , 66 , 56 , 983 , 848 , 218 , 7965 , 60197 , 44957 , 297770 , 650962 , 1404806 , 3831862 , 67667140 , 45788320 , 432485 , 216092679 , 9796592928 , 6213814471
n×2
39981778
n×3
59972667
n×4
79963556
n×5
99954445
n÷2
9995444.5
n÷3
6663629.6666667
n÷3
4997722.25
n÷5
3998177.8
n2
399635643010321
n3
7.989071779863E+21
n4
1.5970864716427E+29
n5
3.1927178378011E+36
2 √n
4471.1171981955
3 √n
271.40053696738
4 √n
66.866413080077
5 √n
28.851368751209
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
-19990888
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 19990889 can be divided by 4 positive divisors.
The sum of these divisors (counting 19990889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000100101101001
3
Ternary
1101121122100022
4
Quaternary
1030100211221
5
Quinary
20104202024
6
Senary
1552250225
8
Octal
114204551
10
Decimal
19990889
12
Duodecimal
6840975
16
Hexadecimal
1310969
20
Vigesimal
64ih49
36
Base36
bwh2h
md5
63c3fb215f22be46bdcc86285edc32b5
sha1
729d8210e2225254411945aa1cad0657518c2345
sha256
5958ab6cf9bd0a0a568ffc87c8d1450fbb91b5064a53754449951eec373511db
sha512
f8ae4883662df6186a15fe26b7fbf40c3b1e68cf3e65b1a3f21d32966e688462ff85d354ce397902ee4281d181e927a51321c6e422f84f05b183d01ecbf4edc3
ripemd-160
93c89e01ba79fc58a597ace51095c1b9afaa104c
Diameter
39981778
Circumference
125606460.04226
Area
1.2554924001939E+15
Volume
3.3464545616825E+22
Surface area
5.0219696007754E+15
Circumference
125606460.04226
Perimeter
79963556
Area
399635643010321
Diagonal
28271386.347695
Surface area
2397813858061926
Volume
7.989071779863E+21
Space diagonal
34625235.43647
Perimeter
59972667
Area
1.7304730955233E+14
Altitude
17312617.718235
Surface area
1.7304730955233E+14
Volume
9.4152113848786E+20
Height
9423795.4492317