870 (number)

870 is an even 3-digits composite number following 869 and preceding 871. In scientific notation, it is written as 8.70 × 10^2. The sum of its digits is 15. It has a total of 4 prime factors and 16 positive divisors. There are 224 positive integers (up to 870) that are relatively prime to 870.

Interesting facts

Basic properties

Name

Name eight hundred seventy

Notation

Scientific notation 8.70 × 10^2
Engineering notation 8.70 × 10^0

Prime Factorization of 870

Prime Factorization 2 × 5 × 3 × 29

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 870
Product of the distinct prime numbers

The prime factorization of 870 is 2 × 5 × 3 × 29. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 870)

Multiplication

n×y
n×2 1740
n×3 2610
n×4 3480
n×5 4350

Division

n÷y
n÷2 435
n÷3 290
n÷3 217.5
n÷5 174

Exponentiation

ny
n2 756900
n3 658503000
n4 572897610000
n5 498420920700000

Nth Root

y√n
2√n 29.495762407505
3√n 9.54640270936
4√n 5.4310001295807
5√n 3.8717191853119

Divisors of 870

1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870

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 -869
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 870 can be divided by 16 positive divisors. The sum of these divisors (counting 870) is 1, the average is 0.0625.

Base conversion 870

Base System Value
2 Binary 1101100110
3 Ternary 1012020
4 Quaternary 31212
5 Quinary 11440
6 Senary 4010
8 Octal 1546
10 Decimal 870
12 Duodecimal 606
16 Hexadecimal 366
20 Vigesimal 23a
36 Base36 o6

Cryptographic Hash Functions

md5 22fb0cee7e1f3bde58293de743871417
sha1 c43d770fba803a943a7f6130c1315faffe1b0981
sha256 8a9a02d73aeefd97306a08c30969a9e8d5ef03960978a1c5db4447558d40f689
sha512 083b7cb12f424e45e27e559cd240d918a844efb7364a9c0988b4873d46eb99690b41f1e456aacfdaf07a3b2e7384278c23016dd2c19dd22ab00a3beca0130ec8
ripemd-160 81dabcaea270f68ab207612eeb2fe1e72cc0db23

870 as geometric shapes

Circle

Radius = n
Diameter 1740
Circumference 5466.3712172462
Area 2377871.4795021

Sphere

Radius = n
Volume 2758330916.2225
Surface area 9511485.9180085
Circumference 5466.3712172462

Square

Length = n
Perimeter 3480
Area 756900
Diagonal 1230.3657992646

Cube

Length = n
Surface area 4541400
Volume 658503000
Space diagonal 1506.8842025849

Equilateral Triangle

Length = n
Perimeter 2610
Area 327747.31406222
Altitude 753.44210129246

Triangular Pyramid

Length = n
Surface area 327747.31406222
Volume 77605322.788614
Height 410.1219330882