987998417 (number)

987998417 is an odd 9-digits composite number following 987998416 and preceding 987998418. In scientific notation, it is written as 9.87998417 × 10^8. The sum of its digits is 62. It has a total of 4 prime factors and 12 positive divisors. There are 844706016 positive integers (up to 987998417) that are relatively prime to 987998417.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.87998417 × 10^8
Engineering notation 9.87998417 × 10^6

Prime Factorization of 987998417

Prime Factorization 7 × 7 × 397 × 50789

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 141142631
Product of the distinct prime numbers

The prime factorization of 987998417 is 7 × 7 × 397 × 50789. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 987998417)

Multiplication

n×y
n×2 1975996834
n×3 2963995251
n×4 3951993668
n×5 4939992085

Division

n÷y
n÷2 493999208.5
n÷3 329332805.66667
n÷3 246999604.25
n÷5 197599683.4

Exponentiation

ny
n2 976140871994505889
n3 9.6442563629957E+26
n4 9.5285100197819E+35
n5 9.4141528159132E+44

Nth Root

y√n
2√n 31432.442110024
3√n 995.98336054147
4√n 177.29196854348
5√n 62.943552374717

Divisors of 987998417

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -987998416
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 987998417 can be divided by 12 positive divisors. The sum of these divisors (counting 987998417) is 1, the average is 0.083333333333333.

Base conversion 987998417

Base System Value
2 Binary 111010111000111010100011010001
3 Ternary 2112212002112000222
4 Quaternary 322320322203101
5 Quinary 4010411422132
6 Senary 242012122425
8 Octal 7270724321
10 Decimal 987998417
12 Duodecimal 236a66415
16 Hexadecimal 3ae3a8d1
20 Vigesimal f8ejg0h
36 Base36 gc88gh

Cryptographic Hash Functions

md5 f81f43086425d5f1f6fbbafc8673ff95
sha1 d481f901769005bafde1e5204446029148aec967
sha256 cf4a4273b0c8e29d32a346e88aa7e84bbd062098135fd27a3b5060962913c7cd
sha512 3957e96726762a7caf58710516786918479b068a6f7712d19f829a0804cb2478a4a891997681e502dd1e828c657e8a368f9635011ba93e3f46bd2edbd74ad218
ripemd-160 31c007a6509f72ca19a4d362e40aac6d17d417e3

987998417 as geometric shapes

Circle

Radius = n
Diameter 1975996834
Circumference 6207777137.2111
Area 3.0666369923267E+18

Sphere

Radius = n
Volume 4.0397766585765E+27
Surface area 1.2266547969307E+19
Circumference 6207777137.2111

Square

Length = n
Perimeter 3951993668
Area 976140871994505889
Diagonal 1397240760.9245

Cube

Length = n
Surface area 5856845231967035334
Volume 9.6442563629957E+26
Space diagonal 1711263456.0416

Equilateral Triangle

Length = n
Perimeter 2963995251
Area 4.2268139640977E+17
Altitude 855631728.02081

Triangular Pyramid

Length = n
Surface area 4.2268139640977E+17
Volume 1.136586512296E+26
Height 465746920.30818