998420905 (number)

998420905 is an odd 9-digits composite number following 998420904 and preceding 998420906. In scientific notation, it is written as 9.98420905 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 798736720 positive integers (up to 998420905) that are relatively prime to 998420905.

Interesting facts

Basic properties

Name

Name nine hundred ninety-eight million four hundred twenty thousand nine hundred five

Notation

Scientific notation 9.98420905 × 10^8
Engineering notation 9.98420905 × 10^6

Prime Factorization of 998420905

Prime Factorization 5 × 199684181

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 998420905
Product of the distinct prime numbers

The prime factorization of 998420905 is 5 × 199684181. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 43, 8, 105, 473, 2973, 9166, 86007, 45621, 988724, 752906, 6866715, 842392, 34237375, 74974158, 165640177, 545431405, 6196740359, 2116597437

Basic calculations (n = 998420905)

Multiplication

n×y
n×2 1996841810
n×3 2995262715
n×4 3993683620
n×5 4992104525

Division

n÷y
n÷2 499210452.5
n÷3 332806968.33333
n÷3 249605226.25
n÷5 199684181

Exponentiation

ny
n2 996844303541019025
n3 9.9527019168552E+26
n4 9.9369856550218E+35
n5 9.9212942106589E+44

Nth Root

y√n
2√n 31597.799053099
3√n 999.47335769657
4√n 177.75769759169
5√n 63.075795017779

Divisors of 998420905

1, 5, 199684181, 998420905

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 -998420904
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 998420905 can be divided by 4 positive divisors. The sum of these divisors (counting 998420905) is 1, the average is 0.25.

Base conversion 998420905

Base System Value
2 Binary 111011100000101011000110101001
3 Ternary 2120120201001000001
4 Quaternary 323200223012221
5 Quinary 4021043432110
6 Senary 243023343001
8 Octal 7340530651
10 Decimal 998420905
12 Duodecimal 23a451a61
16 Hexadecimal 3b82b1a9
20 Vigesimal fc02c55
36 Base36 gifmi1

Cryptographic Hash Functions

md5 996cd2de013893a10f9d915a5cc2bb3c
sha1 2c1268c08438606e573da2fd259e7253be394948
sha256 5a4b715e95b135ec61781d7d5eb6c2a800b2e1a4cbc307f19965a9ef78f9768d
sha512 2067161794d39f7c7327276c33b72e00152160e5655ffa5a002043558fafd8939b9e52f18afe995e8ae5136844e023b9a1b3c1a79d141e000099e72a07f5073d
ripemd-160 37d5b0d25f9ebf10f9520f018ec0ede929b32253

998420905 as geometric shapes

Circle

Radius = n
Diameter 1996841810
Circumference 6273263560.6769
Area 3.1316787407773E+18

Sphere

Radius = n
Volume 4.1689780300482E+27
Surface area 1.2526714963109E+19
Circumference 6273263560.6769

Square

Length = n
Perimeter 3993683620
Area 996844303541019025
Diagonal 1411980384.8078

Cube

Length = n
Surface area 5981065821246114150
Volume 9.9527019168552E+26
Space diagonal 1729315734.7989

Equilateral Triangle

Length = n
Perimeter 2995262715
Area 4.3164624524216E+17
Altitude 864657867.39945

Triangular Pyramid

Length = n
Surface area 4.3164624524216E+17
Volume 1.1729371694228E+26
Height 470660128.26927