87081921 (number)

87081921 is an odd 8-digits composite number following 87081920 and preceding 87081922. In scientific notation, it is written as 8.7081921 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 54789696 positive integers (up to 87081921) that are relatively prime to 87081921.

Interesting facts

Basic properties

Name

Name eighty-seven million eighty-one thousand nine hundred twenty-one

Notation

Scientific notation 8.7081921 × 10^7
Engineering notation 8.7081921 × 10^6

Prime Factorization of 87081921

Prime Factorization 9 × 19 × 313 × 1627

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 87081921
Product of the distinct prime numbers

The prime factorization of 87081921 is 9 × 19 × 313 × 1627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 94, 29, 233, 511, 3051, 8337, 8845, 67289, 519636, 612315, 9050487, 9746252, 61112012, 57485869, 940163149, 558748460, 1655318251, 5741373196

Basic calculations (n = 87081921)

Multiplication

n×y
n×2 174163842
n×3 261245763
n×4 348327684
n×5 435409605

Division

n÷y
n÷2 43540960.5
n÷3 29027307
n÷3 21770480.25
n÷5 17416384.2

Exponentiation

ny
n2 7583260965050241
n3 6.6036493228089E+23
n4 5.7505846864055E+31
n5 5.0077196136537E+39

Nth Root

y√n
2√n 9331.769446359
3√n 443.24379740959
4√n 96.601084084802
5√n 38.724480490162

Divisors of 87081921

1, 9, 19, 171, 313, 1627, 2817, 5947, 14643, 30913, 53523, 278217, 509251, 4583259, 9675769, 87081921

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 -87081920
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 87081921 can be divided by 16 positive divisors. The sum of these divisors (counting 87081921) is 1, the average is 0.0625.

Base conversion 87081921

Base System Value
2 Binary 101001100001100001111000001
3 Ternary 20001212012221100
4 Quaternary 11030030033001
5 Quinary 134243110141
6 Senary 12350245013
8 Octal 514141701
10 Decimal 87081921
12 Duodecimal 251b6769
16 Hexadecimal 530c3c1
20 Vigesimal 17454g1
36 Base36 1fugu9

Cryptographic Hash Functions

md5 9089f0535a2db86b241ccbe77ee028f2
sha1 651ffc2a1f0e1941539499afa2ad8377b4437175
sha256 edf2b27f34f6b4f7898b1555476a7c9a9ac323e076d93e304a12e285d008de6b
sha512 51f664cfe13f6ee9c8be265f3b537832d9073bb1ddbe5c4b34577bfe4a171c992e9d41ab49c408a1a87c89a28503e1540daf80680e407b236e31cb274636ebea
ripemd-160 9da7893569ffb7dbf373ac3385b6d215331f2123

87081921 as geometric shapes

Circle

Radius = n
Diameter 174163842
Circumference 547151846.54817
Area 2.3823516938056E+16

Sphere

Radius = n
Volume 2.7661301599226E+24
Surface area 9.5294067752224E+16
Circumference 547151846.54817

Square

Length = n
Perimeter 348327684
Area 7583260965050241
Diagonal 123152433.7157

Cube

Length = n
Surface area 45499565790301446
Volume 6.6036493228089E+23
Space diagonal 150830311.5927

Equilateral Triangle

Length = n
Perimeter 261245763
Area 3.2836483196302E+15
Altitude 75415155.79635

Triangular Pyramid

Length = n
Surface area 3.2836483196302E+15
Volume 7.7824753612269E+22
Height 41050811.238567