91887890 (number)

91887890 is an even 8-digits composite number following 91887889 and preceding 91887891. In scientific notation, it is written as 9.1887890 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 34593024 positive integers (up to 91887890) that are relatively prime to 91887890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.1887890 × 10^7
Engineering notation 9.1887890 × 10^6

Prime Factorization of 91887890

Prime Factorization 2 × 5 × 17 × 540517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 91887890
Product of the distinct prime numbers

The prime factorization of 91887890 is 2 × 5 × 17 × 540517. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 89, 85, 540, 151, 3535, 6824, 72079, 17988, 337777, 644809, 3759915, 9728482, 49609197, 89529376, 960558946, 194998946, 8845448869, 9705116805

Basic calculations (n = 91887890)

Multiplication

n×y
n×2 183775780
n×3 275663670
n×4 367551560
n×5 459439450

Division

n÷y
n÷2 45943945
n÷3 30629296.666667
n÷3 22971972.5
n÷5 18377578

Exponentiation

ny
n2 8443384328652100
n3 7.7584477041891E+23
n4 7.1290738921328E+31
n5 6.5507555760217E+39

Nth Root

y√n
2√n 9585.8171274023
3√n 451.25229777607
4√n 97.907186290907
5√n 39.142779000579

Divisors of 91887890

1, 2, 5, 10, 17, 34, 85, 170, 540517, 1081034, 2702585, 5405170, 9188789, 18377578, 45943945, 91887890

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 -91887889
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 91887890 can be divided by 16 positive divisors. The sum of these divisors (counting 91887890) is 1, the average is 0.0625.

Base conversion 91887890

Base System Value
2 Binary 101011110100001100100010010
3 Ternary 20101220101111012
4 Quaternary 11132201210102
5 Quinary 142010403030
6 Senary 13041250522
8 Octal 536414422
10 Decimal 91887890
12 Duodecimal 26933a42
16 Hexadecimal 57a1912
20 Vigesimal 18e5jea
36 Base36 1iph5e

Cryptographic Hash Functions

md5 ef5c0fc57e630dac30d7757572c4f6e6
sha1 8d3802035ed4ef2a55fae098065acd8e9eee7616
sha256 fce9325ee3bc31f935221ffcb1b24f49ef1d4324be084e467ab8a24acf96f0d1
sha512 276c3b6d2f7ba3b2809b1ea5b500ef5287a13db1a841c9a8b2333a220224f6382928ccf5c13715e78325f1685ef007bf8d492aa83aa15a7d9d521769f0633bb3
ripemd-160 fb789dde34c25aae1ae6a796df1fc3a415f9a0d7

91887890 as geometric shapes

Circle

Radius = n
Diameter 183775780
Circumference 577348640.35573
Area 2.6525674178329E+16

Sphere

Radius = n
Volume 3.2498509747655E+24
Surface area 1.0610269671331E+17
Circumference 577348640.35573

Square

Length = n
Perimeter 367551560
Area 8443384328652100
Diagonal 129949100.25585

Cube

Length = n
Surface area 50660305971912600
Volume 7.7584477041891E+23
Space diagonal 159154494.0803

Equilateral Triangle

Length = n
Perimeter 275663670
Area 3.6560926612641E+15
Altitude 79577247.04015

Triangular Pyramid

Length = n
Surface area 3.6560926612641E+15
Volume 9.1434183051888E+22
Height 43316366.751949