987788428 (number)

987788428 is an even 9-digits composite number following 987788427 and preceding 987788429. In scientific notation, it is written as 9.87788428 × 10^8. The sum of its digits is 61. It has a total of 4 prime factors and 12 positive divisors. There are 448994720 positive integers (up to 987788428) that are relatively prime to 987788428.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million seven hundred eighty-eight thousand four hundred twenty-eight

Notation

Scientific notation 9.87788428 × 10^8
Engineering notation 9.87788428 × 10^6

Prime Factorization of 987788428

Prime Factorization 2 × 2 × 11 × 22449737

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 493894214
Product of the distinct prime numbers

The prime factorization of 987788428 is 2 × 2 × 11 × 22449737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 987788428)

Multiplication

n×y
n×2 1975576856
n×3 2963365284
n×4 3951153712
n×5 4938942140

Division

n÷y
n÷2 493894214
n÷3 329262809.33333
n÷3 246947107
n÷5 197557685.6

Exponentiation

ny
n2 975725978490711184
n3 9.638108304521E+26
n4 9.5204118510166E+35
n5 9.4041526562282E+44

Nth Root

y√n
2√n 31429.101609814
3√n 995.91279350232
4√n 177.28254739205
5√n 62.940876545034

Divisors of 987788428

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 -987788427
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 987788428 can be divided by 12 positive divisors. The sum of these divisors (counting 987788428) is 1, the average is 0.083333333333333.

Base conversion 987788428

Base System Value
2 Binary 111010111000000111010010001100
3 Ternary 2112211200211222121
4 Quaternary 322320013102030
5 Quinary 4010333212203
6 Senary 242003422324
8 Octal 7270072214
10 Decimal 987788428
12 Duodecimal 2369849a4
16 Hexadecimal 3ae0748c
20 Vigesimal f8ddb18
36 Base36 gc3qfg

Cryptographic Hash Functions

md5 fcb90a3bf9494fac37b98409ea1ef9c2
sha1 a5f6422a8200be139997a7d1426508bb2d5b9b2a
sha256 f18c9892cc2d65e080845cd59ab3dbf188ff4989f916294d8eca0b4b1b58653d
sha512 89fc89274589b939517ec22719b0f52c58283640ff92bfd3f2272e82b4dfafec197cfb25d84d6ea1d35dbd6d00d63a030c3bef77139b0bbf32ffbaa53b42692b
ripemd-160 e36f04d8e518af590456ce58b7ef2a791aae8f50

987788428 as geometric shapes

Circle

Radius = n
Diameter 1975576856
Circumference 6206457737.4116
Area 3.0653335659431E+18

Sphere

Radius = n
Volume 4.0372013658648E+27
Surface area 1.2261334263773E+19
Circumference 6206457737.4116

Square

Length = n
Perimeter 3951153712
Area 975725978490711184
Diagonal 1396943791.6328

Cube

Length = n
Surface area 5854355870944267104
Volume 9.638108304521E+26
Space diagonal 1710899744.4246

Equilateral Triangle

Length = n
Perimeter 2963365284
Area 4.2250174225269E+17
Altitude 855449872.2123

Triangular Pyramid

Length = n
Surface area 4.2250174225269E+17
Volume 1.1358619566562E+26
Height 465647930.54427