19902008 is an even 8-digits composite number following 19902007
and preceding 19902009 . In scientific notation, it is written as 1.9902008 × 10^7.
The sum of its digits is 29. It has a total of 6 prime factors and 32 positive divisors.
There are 8488032 positive integers (up to 19902008) that are relatively prime to 19902008.
19902008 has 32 divisors, whose sum is 42854400
The reverse of 19902008 is 80020991
Previous prime number is 239
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
nineteen million nine hundred two thousand eight
Scientific notation
1.9902008 × 10^7
Engineering notation
1.9902008 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 239 × 1487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4975502
Product of the distinct prime numbers
The prime factorization of 19902008 is 2 × 2 × 2 × 7 × 239 × 1487.
Since it has a total of 6 prime factors.
9 , 1 , 46 , 59 , 854 , 901 , 5691 , 4024 , 61872 , 36133 , 763018 , 837539 , 2956712 , 3705532 , 21596399 , 35255766 , 116434967 , 790835815 , 4633990755 , 8684005675
n×2
39804016
n×3
59706024
n×4
79608032
n×5
99510040
n÷2
9951004
n÷3
6634002.6666667
n÷3
4975502
n÷5
3980401.6
n2
396089922432064
n3
7.8829848049623E+21
n4
1.5688722665224E+29
n5
3.1223708399307E+36
2 √n
4461.1666635534
3 √n
270.99771696901
4 √n
66.791965561386
5 √n
28.825667931133
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 239 , 478 , 956 , 1487 , 1673 , 1912 , 2974 , 3346 , 5948 , 6692 , 10409 , 11896 , 13384 , 20818 , 41636 , 83272 , 355393 , 710786 , 1421572 , 2487751 , 2843144 , 4975502 , 9951004 , 19902008
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902007
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902008 can be divided by 32 positive divisors.
The sum of these divisors (counting 19902008) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001011111010111000111000
3
Ternary
1101110010102102
4
Quaternary
1023322320320
5
Quinary
20043331013
6
Senary
1550322532
8
Octal
113727070
10
Decimal
19902008
12
Duodecimal
67b9448
16
Hexadecimal
12fae38
20
Vigesimal
647f08
36
Base36
bukhk
md5
b913bf41ecbed8705cb50d46af554ae9
sha1
f60a659934582893adeff7c8e1671f6325ea8476
sha256
b7c60c0c9f6d9847ef5eb857149a859eec53404b5ff08e1b83c3200c3c3c70a2
sha512
9ac250d974e2c7b0ffb6314bb8d13085cb0e1677d916edd6af51b1808d860e56efe7f9101c5821bce57dc6eba4303000a70846f30f43cd1dd44998aed78a8b60
ripemd-160
211fb43354464c73eb370c5ce6ddc78c88402626
Diameter
39804016
Circumference
125048004.24897
Area
1.2443531904735E+15
Volume
3.3020169535506E+22
Surface area
4.9774127618941E+15
Circumference
125048004.24897
Perimeter
79608032
Area
396089922432064
Diagonal
28145689.632058
Surface area
2376539534592384
Volume
7.8829848049623E+21
Space diagonal
34471289.028642
Perimeter
59706024
Area
1.7151196750459E+14
Altitude
17235644.514321
Surface area
1.7151196750459E+14
Volume
9.2901866859656E+20
Height
9381896.5440193