987492891 (number)

987492891 is an odd 9-digits composite number following 987492890 and preceding 987492892. In scientific notation, it is written as 9.87492891 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 495290880 positive integers (up to 987492891) that are relatively prime to 987492891.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million four hundred ninety-two thousand eight hundred ninety-one

Notation

Scientific notation 9.87492891 × 10^8
Engineering notation 9.87492891 × 10^6

Prime Factorization of 987492891

Prime Factorization 21 × 11 × 29 × 147409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 987492891
Product of the distinct prime numbers

The prime factorization of 987492891 is 21 × 11 × 29 × 147409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 4, 17, 835, 883, 4635, 4925, 25194, 41568, 817330, 575241, 4121, 4481525, 59491258, 71577884, 1357344, 163896326, 9338450323, 3447015161

Basic calculations (n = 987492891)

Multiplication

n×y
n×2 1974985782
n×3 2962478673
n×4 3949971564
n×5 4937464455

Division

n÷y
n÷2 493746445.5
n÷3 329164297
n÷3 246873222.75
n÷5 197498578.2

Exponentiation

ny
n2 975142209775537881
n3 9.6294599986737E+26
n4 9.5090232928592E+35
n5 9.3900929020519E+44

Nth Root

y√n
2√n 31424.399612403
3√n 995.81346101732
4√n 177.26928558666
5√n 62.937109830656

Divisors of 987492891

1, 11, 21, 29, 231, 319, 609, 6699, 147409, 1621499, 3095589, 4274861, 34051479, 47023471, 89772081, 987492891

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -987492890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 987492891 can be divided by 16 positive divisors. The sum of these divisors (counting 987492891) is 1, the average is 0.0625.

Base conversion 987492891

Base System Value
2 Binary 111010110110111111001000011011
3 Ternary 2112211010211120210
4 Quaternary 322312333020123
5 Quinary 4010244233031
6 Senary 241553222203
8 Octal 7266771033
10 Decimal 987492891
12 Duodecimal 236861963
16 Hexadecimal 3adbf21b
20 Vigesimal f8bgc4b
36 Base36 gbxee3

Cryptographic Hash Functions

md5 d9168c41b1d0e70e5abaf8c4d152983f
sha1 175e3eeae602c4ef69b2a80dc824745a850bb07d
sha256 db71f726d8a71139462aa18159a91b09499ee010dc8ebc87714985b54268cdcb
sha512 8fab05f6b117c0417916aaffdb4658456f09b5dde541f52544a3e2bf10406eeb3375d0623192284796e2b5e9f80d47a495e4f735363f3dbd758dd61c44e7a2ad
ripemd-160 35bd116234b72d8059137e07fdeeb508d4b5f6b2

987492891 as geometric shapes

Circle

Radius = n
Diameter 1974985782
Circumference 6204600823.6755
Area 3.0634996024361E+18

Sphere

Radius = n
Volume 4.0335787719827E+27
Surface area 1.2253998409745E+19
Circumference 6204600823.6755

Square

Length = n
Perimeter 3949971564
Area 975142209775537881
Diagonal 1396525839.1992

Cube

Length = n
Surface area 5850853258653227286
Volume 9.6294599986737E+26
Space diagonal 1710387859.3251

Equilateral Triangle

Length = n
Perimeter 2962478673
Area 4.2224896298405E+17
Altitude 855193929.66254

Triangular Pyramid

Length = n
Surface area 4.2224896298405E+17
Volume 1.1348427440378E+26
Height 465508613.06641