87091881 (number)

87091881 is an odd 8-digits composite number following 87091880 and preceding 87091882. In scientific notation, it is written as 8.7091881 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 58061252 positive integers (up to 87091881) that are relatively prime to 87091881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7091881 × 10^7
Engineering notation 8.7091881 × 10^6

Prime Factorization of 87091881

Prime Factorization 3 × 29030627

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87091881
Product of the distinct prime numbers

The prime factorization of 87091881 is 3 × 29030627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87091881)

Multiplication

n×y
n×2 174183762
n×3 261275643
n×4 348367524
n×5 435459405

Division

n÷y
n÷2 43545940.5
n÷3 29030627
n÷3 21772970.25
n÷5 17418376.2

Exponentiation

ny
n2 7584995736118161
n3 6.6059154603551E+23
n4 5.7532160316931E+31
n5 5.010584059995E+39

Nth Root

y√n
2√n 9332.303091949
3√n 443.26069544411
4√n 96.603846155052
5√n 38.725366272599

Divisors of 87091881

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 -87091880
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 87091881 can be divided by 4 positive divisors. The sum of these divisors (counting 87091881) is 1, the average is 0.25.

Base conversion 87091881

Base System Value
2 Binary 101001100001110101010101001
3 Ternary 20001212201121020
4 Quaternary 11030032222221
5 Quinary 134243420011
6 Senary 12350403053
8 Octal 514165251
10 Decimal 87091881
12 Duodecimal 25200489
16 Hexadecimal 530eaa9
20 Vigesimal 17469e1
36 Base36 1fuoix

Cryptographic Hash Functions

md5 db172ce1086781effec7371c241a45c7
sha1 755c3e4129cc35c8f5732436050eb9c6c1118731
sha256 8cdcd7236e70351d0b22689b507e9a0107ff5bbe7195c288b6a9d260200be9b4
sha512 15d87357114c2033e7a8dc9910d7b8233957282432e16ff26d134676845db64335893b8e69ad3b367d9593ec2c3b7f15076812aa77a40ced5dfa8d8f409e7b1a
ripemd-160 5fc48660f529d1417b32335f1bc2b40ec21ca2a9

87091881 as geometric shapes

Circle

Radius = n
Diameter 174183762
Circumference 547214427.07383
Area 2.3828966882099E+16

Sphere

Radius = n
Volume 2.7670793973982E+24
Surface area 9.5315867528395E+16
Circumference 547214427.07383

Square

Length = n
Perimeter 348367524
Area 7584995736118161
Diagonal 123166519.28278

Cube

Length = n
Surface area 45509974416708966
Volume 6.6059154603551E+23
Space diagonal 150847562.81874

Equilateral Triangle

Length = n
Perimeter 261275643
Area 3.2843994975375E+15
Altitude 75423781.409371

Triangular Pyramid

Length = n
Surface area 3.2843994975375E+15
Volume 7.7851460299369E+22
Height 41055506.427595