285890 (number)

285890 is an even 6-digits composite number following 285889 and preceding 285891. In scientific notation, it is written as 2.85890 × 10^5. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 98560 positive integers (up to 285890) that are relatively prime to 285890.

Interesting facts

Basic properties

Name

Name two hundred eighty-five thousand eight hundred ninety

Notation

Scientific notation 2.85890 × 10^5
Engineering notation 2.85890 × 10^3

Prime Factorization of 285890

Prime Factorization 2 × 5 × 11 × 23 × 113

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 285890
Product of the distinct prime numbers

The prime factorization of 285890 is 2 × 5 × 11 × 23 × 113. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 285890)

Multiplication

n×y
n×2 571780
n×3 857670
n×4 1143560
n×5 1429450

Division

n÷y
n÷2 142945
n÷3 95296.666666667
n÷3 71472.5
n÷5 57178

Exponentiation

ny
n2 81733092100
n3 23366673700469000
n4 6.6802983442271E+21
n5 1.9098304936311E+27

Nth Root

y√n
2√n 534.68682422517
3√n 65.87687482587
4√n 23.123296136692
5√n 12.337858722064

Divisors of 285890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -285889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 285890 can be divided by 32 positive divisors. The sum of these divisors (counting 285890) is 1, the average is 0.03125.

Base conversion 285890

Base System Value
2 Binary 1000101110011000010
3 Ternary 112112011112
4 Quaternary 1011303002
5 Quinary 33122030
6 Senary 10043322
8 Octal 1056302
10 Decimal 285890
12 Duodecimal 119542
16 Hexadecimal 45cc2
20 Vigesimal 1feea
36 Base36 64le

Cryptographic Hash Functions

md5 688f10af18dc558588d7b3d55c33a304
sha1 03cd032731358a36131059369eb9a6da9e14a771
sha256 645194923a7c5f0a1839396ff357152bf9ef8f999ec5c4e055eab8c45bf96cdc
sha512 87b1e5ba7ade839bcf8cca29951ec019cb7d7ea5287bcd00faa7a127fd36bcee9c2b780c70a5411e45c51b5d4332b2e107506d98e5b2d518b5307bff773b25fb
ripemd-160 76ee0ac850824dd5af1bde7f9d7eb4078557d517

285890 as geometric shapes

Circle

Radius = n
Diameter 571780
Circumference 1796299.8474696
Area 256772081696.54

Sphere

Radius = n
Volume 9.7878093914964E+16
Surface area 1027088326786.2
Circumference 1796299.8474696

Square

Length = n
Perimeter 1143560
Area 81733092100
Diagonal 404309.51534684

Cube

Length = n
Surface area 490398552600
Volume 23366673700469000
Space diagonal 495176.00537587

Equilateral Triangle

Length = n
Perimeter 857670
Area 35391467044.227
Altitude 247588.00268793

Triangular Pyramid

Length = n
Surface area 35391467044.227
Volume 2.7537889045625E+15
Height 134769.83844895