87091821 (number)

87091821 is an odd 8-digits composite number following 87091820 and preceding 87091822. In scientific notation, it is written as 8.7091821 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 56491344 positive integers (up to 87091821) that are relatively prime to 87091821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7091821 × 10^7
Engineering notation 8.7091821 × 10^6

Prime Factorization of 87091821

Prime Factorization 27 × 37 × 87179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 87091821
Product of the distinct prime numbers

The prime factorization of 87091821 is 27 × 37 × 87179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87091821)

Multiplication

n×y
n×2 174183642
n×3 261275463
n×4 348367284
n×5 435459105

Division

n÷y
n÷2 43545910.5
n÷3 29030607
n÷3 21772955.25
n÷5 17418364.2

Exponentiation

ny
n2 7584985285096041
n3 6.6059018073722E+23
n4 5.7532001775123E+31
n5 5.0105668003707E+39

Nth Root

y√n
2√n 9332.2998773078
3√n 443.26059365258
4√n 96.603829516784
5√n 38.725360936803

Divisors of 87091821

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87091820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87091821 can be divided by 8 positive divisors. The sum of these divisors (counting 87091821) is 1, the average is 0.125.

Base conversion 87091821

Base System Value
2 Binary 101001100001110101001101101
3 Ternary 20001212201112000
4 Quaternary 11030032221231
5 Quinary 134243414241
6 Senary 12350402513
8 Octal 514165155
10 Decimal 87091821
12 Duodecimal 25200439
16 Hexadecimal 530ea6d
20 Vigesimal 17469b1
36 Base36 1fuoh9

Cryptographic Hash Functions

md5 8510f56e419721e66eb74603b91cea4f
sha1 0db9172a2344ed08dfdd45f4416295dcfe0d51d5
sha256 fd235932bf94960a15ad9148f4d8bc7e6ce2b8b8ffaaa934aad5bb844bd2698a
sha512 a337efdf35750c11ad4645966cba968f9a8c7058c620f4b0f91e8bd93e4d74c27d226f185008e575e4bb559cf58f51d41dbd2389dfa2220990583983c5083f16
ripemd-160 aa9f442e56f1d3d8e996b7eee6bc3c4c66456c4f

87091821 as geometric shapes

Circle

Radius = n
Diameter 174183642
Circumference 547214050.08271
Area 2.3828934049244E+16

Sphere

Radius = n
Volume 2.7670736784501E+24
Surface area 9.5315736196978E+16
Circumference 547214050.08271

Square

Length = n
Perimeter 348367284
Area 7584985285096041
Diagonal 123166434.42997

Cube

Length = n
Surface area 45509911710576246
Volume 6.6059018073722E+23
Space diagonal 150847458.89569

Equilateral Triangle

Length = n
Perimeter 261275463
Area 3.2843949721122E+15
Altitude 75423729.447847

Triangular Pyramid

Length = n
Surface area 3.2843949721122E+15
Volume 7.7851299397422E+22
Height 41055478.143323