19998965 is an odd 8-digits composite number following 19998964
and preceding 19998966 . In scientific notation, it is written as 1.9998965 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 13713552 positive integers (up to 19998965) that are relatively prime to 19998965.
19998965 has 4 divisors, whose sum is 20570400
The reverse of 19998965 is 56989991
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
nineteen million nine hundred ninety-eight thousand nine hundred sixty-five
Scientific notation
1.9998965 × 10^7
Engineering notation
1.9998965 × 10^6
Prime Factorization
35 × 571399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19998965
Product of the distinct prime numbers
The prime factorization of 19998965 is 35 × 571399.
Since it has a total of 2 prime factors.
9 , 8 , 42 , 14 , 846 , 578 , 8644 , 1862 , 44624 , 85410 , 958371 , 751174 , 8119857 , 6869607 , 63322557 , 28600972 , 392770690 , 73898566 , 7090869422 , 996007915
n×2
39997930
n×3
59996895
n×4
79995860
n×5
99994825
n÷2
9999482.5
n÷3
6666321.6666667
n÷3
4999741.25
n÷5
3999793
n2
399958601071225
n3
7.9987580642724E+21
n4
1.5996688257085E+29
n5
3.1991720856936E+36
2 √n
4472.0202369846
3 √n
271.43707920833
4 √n
66.873165298082
5 √n
28.853699473082
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
-19998964
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 19998965 can be divided by 4 positive divisors.
The sum of these divisors (counting 19998965) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010010100011110101
3
Ternary
1101122001102102
4
Quaternary
1030102203311
5
Quinary
20104431330
6
Senary
1552351445
8
Octal
114224365
10
Decimal
19998965
12
Duodecimal
6845585
16
Hexadecimal
13128f5
20
Vigesimal
64jh85
36
Base36
bwnat
md5
9a6a60dec03e88985678ce9a69f29131
sha1
ecc7d54803214f71ad5b74331e338b3662559f02
sha256
39e666e8b28bbc3eb5c557a6e3675309fbd496222385f21146cb7e8485badb4e
sha512
86a0aa2e6105a268dbdf99623bacf0342570637a439967b1b572c6d13999e5383b9c785d0c3ad6945a121cea8037b92221a1ca6b5017f47126c210abe1e4327a
ripemd-160
146c18e892b41f7d4ced3c1e7797ee223933cbe5
Diameter
39997930
Circumference
125657203.0468
Area
1.2565070028654E+15
Volume
3.350511943008E+22
Surface area
5.0260280114616E+15
Circumference
125657203.0468
Perimeter
79995860
Area
399958601071225
Diagonal
28282807.536425
Surface area
2399751606427350
Volume
7.9987580642724E+21
Space diagonal
34639223.478792
Perimeter
59996895
Area
1.7318715449488E+14
Altitude
17319611.739396
Surface area
1.7318715449488E+14
Volume
9.4266267805293E+20
Height
9427602.5121416