998416987 (number)

998416987 is an odd 9-digits composite number following 998416986 and preceding 998416988. In scientific notation, it is written as 9.98416987 × 10^8. The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors. There are 936026112 positive integers (up to 998416987) that are relatively prime to 998416987.

Interesting facts

Basic properties

Name

Name nine hundred ninety-eight million four hundred sixteen thousand nine hundred eighty-seven

Notation

Scientific notation 9.98416987 × 10^8
Engineering notation 9.98416987 × 10^6

Prime Factorization of 998416987

Prime Factorization 17 × 257 × 228523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 998416987
Product of the distinct prime numbers

The prime factorization of 998416987 is 17 × 257 × 228523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 998416987)

Multiplication

n×y
n×2 1996833974
n×3 2995250961
n×4 3993667948
n×5 4992084935

Division

n÷y
n÷2 499208493.5
n÷3 332805662.33333
n÷3 249604246.75
n÷5 199683397.4

Exponentiation

ny
n2 996836479930158169
n3 9.9525847482355E+26
n4 9.9368296771955E+35
n5 9.9210995466377E+44

Nth Root

y√n
2√n 31597.737055049
3√n 999.47205031819
4√n 177.75752320239
5√n 63.075745513336

Divisors of 998416987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -998416986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 998416987 can be divided by 8 positive divisors. The sum of these divisors (counting 998416987) is 1, the average is 0.125.

Base conversion 998416987

Base System Value
2 Binary 111011100000101010001001011011
3 Ternary 2120120200211121221
4 Quaternary 323200222021123
5 Quinary 4021043320422
6 Senary 243023312511
8 Octal 7340521133
10 Decimal 998416987
12 Duodecimal 23a44b737
16 Hexadecimal 3b82a25b
20 Vigesimal fc02297
36 Base36 gifjh7

Cryptographic Hash Functions

md5 f55f71d91e82637dba107f546531c1f6
sha1 9f0d73d61cf062e8bd639bd56cac454c4328c876
sha256 1c95fde1dbfa9eeaf9c44b92633ba2efbf92cb08762339e87284b0ce973f24b0
sha512 fd547a6accdb71e0fe06da55f0b32f7ac8d864a6a34fca2c751210680b47fef8b03c181ff392571101e8f64b3c1c3cac4742f30679d3b1300fbc0b92290c6ca7
ripemd-160 4903b4c27ad3e9d7d09e91f93466ceb61105df19

998416987 as geometric shapes

Circle

Radius = n
Diameter 1996833974
Circumference 6273238943.1569
Area 3.1316541621789E+18

Sphere

Radius = n
Volume 4.1689289505715E+27
Surface area 1.2526616648716E+19
Circumference 6273238943.1569

Square

Length = n
Perimeter 3993667948
Area 996836479930158169
Diagonal 1411974843.9191

Cube

Length = n
Surface area 5981018879580949014
Volume 9.9525847482355E+26
Space diagonal 1729308948.6238

Equilateral Triangle

Length = n
Perimeter 2995250961
Area 4.3164285751929E+17
Altitude 864654474.31192

Triangular Pyramid

Length = n
Surface area 4.3164285751929E+17
Volume 1.1729233609685E+26
Height 470658281.30636