987990988 (number)

987990988 is an even 9-digits composite number following 987990987 and preceding 987990989. In scientific notation, it is written as 9.87990988 × 10^8. The sum of its digits is 67. It has a total of 5 prime factors and 24 positive divisors. There are 489124608 positive integers (up to 987990988) that are relatively prime to 987990988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.87990988 × 10^8
Engineering notation 9.87990988 × 10^6

Prime Factorization of 987990988

Prime Factorization 2 × 2 × 149 × 337 × 4919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 493995494
Product of the distinct prime numbers

The prime factorization of 987990988 is 2 × 2 × 149 × 337 × 4919. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 64, 61, 26, 102, 9282, 6576, 70283, 12605, 779930, 615196, 5949693, 3163765, 42392024, 75801075, 314538938, 363916559, 4939766892, 6847832050

Basic calculations (n = 987990988)

Multiplication

n×y
n×2 1975981976
n×3 2963972964
n×4 3951963952
n×5 4939954940

Division

n÷y
n÷2 493995494
n÷3 329330329.33333
n÷3 246997747
n÷5 197598197.6

Exponentiation

ny
n2 976126192369216144
n3 9.6440388121154E+26
n4 9.5282234342922E+35
n5 9.4137988847311E+44

Nth Root

y√n
2√n 31432.323935719
3√n 995.9808641883
4√n 177.2916352672
5√n 62.943457716862

Divisors of 987990988

1, 2, 4, 149, 298, 337, 596, 674, 1348, 4919, 9838, 19676, 50213, 100426, 200852, 732931, 1465862, 1657703, 2931724, 3315406, 6630812, 246997747, 493995494, 987990988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -987990987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 987990988 can be divided by 24 positive divisors. The sum of these divisors (counting 987990988) is 1, the average is 0.041666666666667.

Base conversion 987990988

Base System Value
2 Binary 111010111000111000101111001100
3 Ternary 2112212002010211211
4 Quaternary 322320320233030
5 Quinary 4010411202423
6 Senary 242012024204
8 Octal 7270705714
10 Decimal 987990988
12 Duodecimal 236a62064
16 Hexadecimal 3ae38bcc
20 Vigesimal f8eih98
36 Base36 gc82q4

Cryptographic Hash Functions

md5 0964d80f297a375a227c09ae981b73f8
sha1 3ac1cb072edc04bdbfbcd7b4e3c05b02dcf284ea
sha256 82f72454753155e7ab42feecbdbf1342270e664c9ec8e83d9ee03c04bb43e1ba
sha512 742c80f5099e784c783174715c8365bf749de2e1e54495843b727f7b37ca715bc2a9022f65b2ad366d1a8071f8bd4045120fc73d7c28e486a3741be134b7b14d
ripemd-160 16dbca0933a94a4c609bcc17e62af29d707d1a54

987990988 as geometric shapes

Circle

Radius = n
Diameter 1975981976
Circumference 6207730459.4274
Area 3.0665908749237E+18

Sphere

Radius = n
Volume 4.0396855310769E+27
Surface area 1.2266363499695E+19
Circumference 6207730459.4274

Square

Length = n
Perimeter 3951963952
Area 976126192369216144
Diagonal 1397230254.732

Cube

Length = n
Surface area 5856757154215296864
Volume 9.6440388121154E+26
Space diagonal 1711250588.6362

Equilateral Triangle

Length = n
Perimeter 2963972964
Area 4.2267503994556E+17
Altitude 855625294.31809

Triangular Pyramid

Length = n
Surface area 4.2267503994556E+17
Volume 1.1365608736788E+26
Height 465743418.244