19997968 is an even 8-digits composite number following 19997967
and preceding 19997969 . In scientific notation, it is written as 1.9997968 × 10^7.
The sum of its digits is 58. It has a total of 5 prime factors and 10 positive divisors.
There are 9998976 positive integers (up to 19997968) that are relatively prime to 19997968.
19997968 has 10 divisors, whose sum is 38746094
The reverse of 19997968 is 86979991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4
Name
nineteen million nine hundred ninety-seven thousand nine hundred sixty-eight
Scientific notation
1.9997968 × 10^7
Engineering notation
1.9997968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1249873
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2499746
Product of the distinct prime numbers
The prime factorization of 19997968 is 2 × 2 × 2 × 2 × 1249873.
Since it has a total of 5 prime factors.
9 , 9 , 43 , 96 , 388 , 637 , 1330 , 9607 , 3124 , 81502 , 533494 , 872316 , 552109 , 6586326 , 11174165 , 47048890 , 126639225 , 193629720 , 5249558248 , 4576509088
n×2
39995936
n×3
59993904
n×4
79991872
n×5
99989840
n÷2
9998984
n÷3
6665989.3333333
n÷3
4999492
n÷5
3999593.6
n2
399918724129024
n3
7.997561847733E+21
n4
1.5993498590899E+29
n5
3.1983747302884E+36
2 √n
4471.9087647223
3 √n
271.43256852048
4 √n
66.872331832547
5 √n
28.853411781073
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997968 can be divided by 10 positive divisors.
The sum of these divisors (counting 19997968) is 1, the average is 0.1.
Base
System
Value
2
Binary
1001100010010010100010000
3
Ternary
1101122000001111
4
Quaternary
1030102110100
5
Quinary
20104413333
6
Senary
1552343104
8
Octal
114222420
10
Decimal
19997968
12
Duodecimal
6844a94
16
Hexadecimal
1312510
20
Vigesimal
64jei8
36
Base36
bwmj4
md5
982fe27130b3bc2d645d416bfce308a5
sha1
367acfef4a2e14b0258b83af950b47f4720f9abe
sha256
cb368bff8be3abaf2a0480be2aab5554bf5841a970a6b5b49f5c53c339bc7e92
sha512
34068e616073c617ced0a2769dce95532dc70179e8f61b22d39a28d7d1d552363c245640e18ace30e4631202ddbd20d2a1ce0e3b1b5a63d258c52ff28e446dff
ripemd-160
4c9e2521e1c2fcfd827d65b9b23bdde60b87c3a2
Diameter
39995936
Circumference
125650938.71105
Area
1.2563817257567E+15
Volume
3.3500108729958E+22
Surface area
5.025526903027E+15
Circumference
125650938.71105
Perimeter
79991872
Area
399918724129024
Diagonal
28281397.565503
Surface area
2399512344774144
Volume
7.997561847733E+21
Space diagonal
34637496.624137
Perimeter
59993904
Area
1.731698872724E+14
Altitude
17318748.312068
Surface area
1.731698872724E+14
Volume
9.4252170258181E+20
Height
9427132.5218344