987992021 (number)

987992021 is an odd 9-digits composite number following 987992020 and preceding 987992022. In scientific notation, it is written as 9.87992021 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 987709932 positive integers (up to 987992021) that are relatively prime to 987992021.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million nine hundred ninety-two thousand twenty-one

Notation

Scientific notation 9.87992021 × 10^8
Engineering notation 9.87992021 × 10^6

Prime Factorization of 987992021

Prime Factorization 3547 × 278543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 987992021
Product of the distinct prime numbers

The prime factorization of 987992021 is 3547 × 278543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 67, 44, 77, 316, 9557, 4391, 35321, 67196, 308799, 857008, 3038874, 1049476, 83765106, 55693568, 794884917, 678963751, 5354675220, 1180315327

Basic calculations (n = 987992021)

Multiplication

n×y
n×2 1975984042
n×3 2963976063
n×4 3951968084
n×5 4939960105

Division

n÷y
n÷2 493996010.5
n÷3 329330673.66667
n÷3 246998005.25
n÷5 197598404.2

Exponentiation

ny
n2 976128233559664441
n3 9.6440690622977E+26
n4 9.5282632835231E+35
n5 9.4138480981081E+44

Nth Root

y√n
2√n 31432.340367844
3√n 995.98121130613
4√n 177.29168160927
5√n 62.94347087904

Divisors of 987992021

1, 3547, 278543, 987992021

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 -987992020
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 987992021 can be divided by 4 positive divisors. The sum of these divisors (counting 987992021) is 1, the average is 0.25.

Base conversion 987992021

Base System Value
2 Binary 111010111000111000111111010101
3 Ternary 2112212002012021002
4 Quaternary 322320320333111
5 Quinary 4010411221041
6 Senary 242012033045
8 Octal 7270707725
10 Decimal 987992021
12 Duodecimal 236a62785
16 Hexadecimal 3ae38fd5
20 Vigesimal f8ej011
36 Base36 gc83it

Cryptographic Hash Functions

md5 48035eadfc951d1286dcd393464ce5f7
sha1 ea8f928e0794a139ca020f6072ec6d4c81f6f338
sha256 ae9f3fb4f70867f3602774950644e40ee1bb5b353b6c55603d5ca8a80f1ad6f6
sha512 b7f5a4d7d8b6d92e2d1b0fc1566b193c10966c0954daf474244ff2b66f1ea4cee8515feecbacf2478f43ce295cebd5ce69241af5abcb718ab82c6a289cb8dfee
ripemd-160 85bdf1e6ffe698b5bbae40b3ee5ee651dc64adb7

987992021 as geometric shapes

Circle

Radius = n
Diameter 1975984042
Circumference 6207736949.9579
Area 3.0665972875126E+18

Sphere

Radius = n
Volume 4.0396982022436E+27
Surface area 1.226638915005E+19
Circumference 6207736949.9579

Square

Length = n
Perimeter 3951968084
Area 976128233559664441
Diagonal 1397231715.6146

Cube

Length = n
Surface area 5856769401357986646
Volume 9.6440690622977E+26
Space diagonal 1711252377.8447

Equilateral Triangle

Length = n
Perimeter 2963976063
Area 4.2267592380695E+17
Altitude 855626188.92233

Triangular Pyramid

Length = n
Surface area 4.2267592380695E+17
Volume 1.136564438697E+26
Height 465743905.20487