87081831 (number)

87081831 is an odd 8-digits composite number following 87081830 and preceding 87081832. In scientific notation, it is written as 8.7081831 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 55520640 positive integers (up to 87081831) that are relatively prime to 87081831.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7081831 × 10^7
Engineering notation 8.7081831 × 10^6

Prime Factorization of 87081831

Prime Factorization 9 × 3 × 2257 × 1429

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87081831
Product of the distinct prime numbers

The prime factorization of 87081831 is 9 × 3 × 2257 × 1429. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 32, 79, 632, 350, 1784, 9701, 86345, 37970, 512472, 936201, 9680084, 361151, 84731409, 14143800, 520352553, 149606686, 3102975020, 6171295550

Basic calculations (n = 87081831)

Multiplication

n×y
n×2 174163662
n×3 261245493
n×4 348327324
n×5 435409155

Division

n÷y
n÷2 43540915.5
n÷3 29027277
n÷3 21770457.75
n÷5 17416366.2

Exponentiation

ny
n2 7583245290312561
n3 6.6036288480254E+23
n4 5.7505609133048E+31
n5 5.0076937360761E+39

Nth Root

y√n
2√n 9331.7646241212
3√n 443.24364471063
4√n 96.601059125256
5√n 38.724472485734

Divisors of 87081831

1, 3, 9, 27, 1429, 2257, 4287, 6771, 12861, 20313, 38583, 60939, 3225253, 9675759, 29027277, 87081831

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 -87081830
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 87081831 can be divided by 16 positive divisors. The sum of these divisors (counting 87081831) is 1, the average is 0.0625.

Base conversion 87081831

Base System Value
2 Binary 101001100001100001101100111
3 Ternary 20001212012211000
4 Quaternary 11030030031213
5 Quinary 134243104311
6 Senary 12350244343
8 Octal 514141547
10 Decimal 87081831
12 Duodecimal 251b66b3
16 Hexadecimal 530c367
20 Vigesimal 17454bb
36 Base36 1fugrr

Cryptographic Hash Functions

md5 6e3dbb62743c15fdba961f0d590c1738
sha1 ae1d2cbf89c9f537b81689edc3342646f8d6c44d
sha256 ae86294dab4e1d9cbb415f360b31acab900e3db58102a93ac9330948a8d104f7
sha512 9a211f928e5f0eeab917c77fc10e3d2cb4f756c57340b2b003198011f733fac5271022892dd18969a09bf2017e57aff0880309c16466a43edb75a2c9eafe60e1
ripemd-160 0e5fbf27c2c60434a3f361d5aeea5a597c54e3f6

87081831 as geometric shapes

Circle

Radius = n
Diameter 174163662
Circumference 547151281.0615
Area 2.3823467694415E+16

Sphere

Radius = n
Volume 2.7661215834654E+24
Surface area 9.5293870777661E+16
Circumference 547151281.0615

Square

Length = n
Perimeter 348327324
Area 7583245290312561
Diagonal 123152306.43648

Cube

Length = n
Surface area 45499471741875366
Volume 6.6036288480254E+23
Space diagonal 150830155.70813

Equilateral Triangle

Length = n
Perimeter 261245493
Area 3.2836415322697E+15
Altitude 75415077.854063

Triangular Pyramid

Length = n
Surface area 3.2836415322697E+15
Volume 7.7824512314632E+22
Height 41050768.812161