287972272 (number)

287972272 is an even 9-digits composite number following 287972271 and preceding 287972273. In scientific notation, it is written as 2.87972272 × 10^8. The sum of its digits is 46. It has a total of 6 prime factors and 20 positive divisors. There are 123416640 positive integers (up to 287972272) that are relatively prime to 287972272.

Interesting facts

Basic properties

Name

Name two hundred eighty-seven million nine hundred seventy-two thousand two hundred seventy-two

Notation

Scientific notation 2.87972272 × 10^8
Engineering notation 2.87972272 × 10^6

Prime Factorization of 287972272

Prime Factorization 2 × 2 × 2 × 2 × 7 × 2571181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 35996534
Product of the distinct prime numbers

The prime factorization of 287972272 is 2 × 2 × 2 × 2 × 7 × 2571181. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 287972272)

Multiplication

n×y
n×2 575944544
n×3 863916816
n×4 1151889088
n×5 1439861360

Division

n÷y
n÷2 143986136
n÷3 95990757.333333
n÷3 71993068
n÷5 57594454.4

Exponentiation

ny
n2 82928029440841984
n3 2.3880973050562E+25
n4 6.8770580669412E+33
n5 1.980402036213E+42

Nth Root

y√n
2√n 16969.745784778
3√n 660.36425561754
4√n 130.26797682001
5√n 49.189242496077

Divisors of 287972272

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -287972271
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 287972272 can be divided by 20 positive divisors. The sum of these divisors (counting 287972272) is 1, the average is 0.05.

Base conversion 287972272

Base System Value
2 Binary 10001001010100001101110110000
3 Ternary 202001212111200201
4 Quaternary 101022201232300
5 Quinary 1042210103042
6 Senary 44324124544
8 Octal 2112415660
10 Decimal 287972272
12 Duodecimal 80536754
16 Hexadecimal 112a1bb0
20 Vigesimal 49jgadc
36 Base36 4rg8ts

Cryptographic Hash Functions

md5 cb8f05527c7b1cd47be6c1d6f695a5d7
sha1 a2282aabed8978cd1441ed7290fff50f3759acd5
sha256 86d4431daef7cb5fe17f35834822687340b53ed01294d9e2f04ac19541924fe5
sha512 9d5ccbed843844fcf1c5352ed48cd8c6ce645be3b4dabfcb2e5d226c2629a6fb7efca83556745c86b5dded75ff4924bf89b99c46a739f0d106c19c2db729fae5
ripemd-160 07624b1772fedf7a0a7104fe8f873ace9a076848

287972272 as geometric shapes

Circle

Radius = n
Diameter 575944544
Circumference 1809383148.3055
Area 2.6052608806803E+17

Sphere

Radius = n
Volume 1.0003238599496E+26
Surface area 1.0421043522721E+18
Circumference 1809383148.3055

Square

Length = n
Perimeter 1151889088
Area 82928029440841984
Diagonal 407254292.64979

Cube

Length = n
Surface area 497568176645051904
Volume 2.3880973050562E+25
Space diagonal 498782606.27504

Equilateral Triangle

Length = n
Perimeter 863916816
Area 3.5908890090776E+16
Altitude 249391303.13752

Triangular Pyramid

Length = n
Surface area 3.5908890090776E+16
Volume 2.8143996642309E+24
Height 135751430.88326