987130861 (number)

987130861 is an odd 9-digits composite number following 987130860 and preceding 987130862. In scientific notation, it is written as 9.87130861 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 955287900 positive integers (up to 987130861) that are relatively prime to 987130861.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million one hundred thirty thousand eight hundred sixty-one

Notation

Scientific notation 9.87130861 × 10^8
Engineering notation 9.87130861 × 10^6

Prime Factorization of 987130861

Prime Factorization 31 × 31842931

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 987130861
Product of the distinct prime numbers

The prime factorization of 987130861 is 31 × 31842931. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 56, 73, 353, 886, 6052, 814, 77687, 6494, 65814, 382198, 4714281, 5955821, 85002073, 30662446, 754626449, 325037825, 3436674157, 7706799729

Basic calculations (n = 987130861)

Multiplication

n×y
n×2 1974261722
n×3 2961392583
n×4 3948523444
n×5 4935654305

Division

n÷y
n÷2 493565430.5
n÷3 329043620.33333
n÷3 246782715.25
n÷5 197426172.2

Exponentiation

ny
n2 974427336738601321
n3 9.6188729589671E+26
n4 9.4950863458348E+35
n5 9.3728927598333E+44

Nth Root

y√n
2√n 31418.638751544
3√n 995.69175265998
4√n 177.2530359445
5√n 62.932494412324

Divisors of 987130861

1, 31, 31842931, 987130861

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 -987130860
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 987130861 can be divided by 4 positive divisors. The sum of these divisors (counting 987130861) is 1, the average is 0.25.

Base conversion 987130861

Base System Value
2 Binary 111010110101100110101111101101
3 Ternary 2112210110102222021
4 Quaternary 322311212233231
5 Quinary 4010201141421
6 Senary 241541350141
8 Octal 7265465755
10 Decimal 987130861
12 Duodecimal 236708351
16 Hexadecimal 3ad66bed
20 Vigesimal f89b731
36 Base36 gbpn1p

Cryptographic Hash Functions

md5 9588caa362f168061ea12514038aabd5
sha1 4b564b1da62cb0034709b2db37be87141f9915ba
sha256 df2c0cf81bbd50d8d341b0fac6739b5d21207c916e378ddcfb87bd9a2b3b9ae5
sha512 9f4856dfad2b1072fb2c88dc1101d9c0eae1b5d0c9499b49115f7228a5b48571c2450a250b045f83cb4069ac0dc4cc2841f2af7551fc1ac71963a19f3ecdced1
ripemd-160 823f1238de7bc3b2f25958be996e2e0a5c3def64

987130861 as geometric shapes

Circle

Radius = n
Diameter 1974261722
Circumference 6202326122.0987
Area 3.0612537625551E+18

Sphere

Radius = n
Volume 4.0291440831606E+27
Surface area 1.224501505022E+19
Circumference 6202326122.0987

Square

Length = n
Perimeter 3948523444
Area 974427336738601321
Diagonal 1396013851.4632

Cube

Length = n
Surface area 5846564020431607926
Volume 9.6188729589671E+26
Space diagonal 1709760804.9712

Equilateral Triangle

Length = n
Perimeter 2961392583
Area 4.2193941387882E+17
Altitude 854880402.48561

Triangular Pyramid

Length = n
Surface area 4.2193941387882E+17
Volume 1.1335950494429E+26
Height 465337950.48774