19902889 is an odd 8-digits composite number following 19902888
and preceding 19902890 . In scientific notation, it is written as 1.9902889 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 19037524 positive integers (up to 19902889) that are relatively prime to 19902889.
19902889 has 4 divisors, whose sum is 20768256
The reverse of 19902889 is 98820991
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million nine hundred two thousand eight hundred eighty-nine
Scientific notation
1.9902889 × 10^7
Engineering notation
1.9902889 × 10^6
Prime Factorization
23 × 865343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19902889
Product of the distinct prime numbers
The prime factorization of 19902889 is 23 × 865343.
Since it has a total of 2 prime factors.
2 , 6 , 98 , 66 , 22 , 122 , 5169 , 1698 , 1073 , 30402 , 534042 , 626197 , 909147 , 2066781 , 15458468 , 96990502 , 411395463 , 449549865 , 595276203 , 1104912176
n×2
39805778
n×3
59708667
n×4
79611556
n×5
99514445
n÷2
9951444.5
n÷3
6634296.3333333
n÷3
4975722.25
n÷5
3980577.8
n2
396124990546321
n3
7.8840317169695E+21
n4
1.5691500813532E+29
n5
3.1230619893514E+36
2 √n
4461.2654034478
3 √n
271.00171565205
4 √n
66.792704717265
5 √n
28.825923131149
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
-19902888
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 19902889 can be divided by 4 positive divisors.
The sum of these divisors (counting 19902889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011111011000110101001
3
Ternary
1101110011122001
4
Quaternary
1023323012221
5
Quinary
20043343024
6
Senary
1550331001
8
Octal
113730651
10
Decimal
19902889
12
Duodecimal
67b9a61
16
Hexadecimal
12fb1a9
20
Vigesimal
647h49
36
Base36
bul61
md5
e2c75c4be34a1b9cf31d057d86a3e7d0
sha1
4da98446815101c2422fbe90d918e496b98f6696
sha256
8a92de102ec51992677c0def31d4ecf482d572fd05c340496d171915e82fa390
sha512
9195653591382eaa6172af6a2d2fa5f722eba15e83514956c0b0c67ca7e5642b89d0c278d0c600f86060fbb099f0a5467eb9c3764d8b1d02df7141874941b89a
ripemd-160
4d44b5a5f369053da2d9b52c2dd854e6e0f0ab40
Diameter
39805778
Circumference
125053539.73523
Area
1.2444633602036E+15
Volume
3.3024554830267E+22
Surface area
4.9778534408146E+15
Circumference
125053539.73523
Perimeter
79611556
Area
396124990546321
Diagonal
28146935.554206
Surface area
2376749943277926
Volume
7.8840317169695E+21
Space diagonal
34472814.965404
Perimeter
59708667
Area
1.7152715244349E+14
Altitude
17236407.482702
Surface area
1.7152715244349E+14
Volume
9.2914204835982E+20
Height
9382311.8514021