287890369 (number)

287890369 is an odd 9-digits composite number following 287890368 and preceding 287890370. In scientific notation, it is written as 2.87890369 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 260090256 positive integers (up to 287890369) that are relatively prime to 287890369.

Interesting facts

Basic properties

Name

Name two hundred eighty-seven million eight hundred ninety thousand three hundred sixty-nine

Notation

Scientific notation 2.87890369 × 10^8
Engineering notation 2.87890369 × 10^6

Prime Factorization of 287890369

Prime Factorization 13 × 47 × 471179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 287890369
Product of the distinct prime numbers

The prime factorization of 287890369 is 13 × 47 × 471179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 30, 57, 96, 592, 905, 2541, 39177, 54511, 659689, 503513, 7441777, 4684815, 12020522, 79444111, 946800003, 920385784, 9624539598, 3348865928

Basic calculations (n = 287890369)

Multiplication

n×y
n×2 575780738
n×3 863671107
n×4 1151561476
n×5 1439451845

Division

n÷y
n÷2 143945184.5
n÷3 95963456.333333
n÷3 71972592.25
n÷5 57578073.8

Exponentiation

ny
n2 82880864562956161
n3 2.3860602682068E+25
n4 6.8692377107031E+33
n5 1.977587379283E+42

Nth Root

y√n
2√n 16967.332406716
3√n 660.30164433252
4√n 130.25871336197
5√n 49.186444167676

Divisors of 287890369

1, 13, 47, 611, 471179, 6125327, 22145413, 287890369

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -287890368
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 287890369 can be divided by 8 positive divisors. The sum of these divisors (counting 287890369) is 1, the average is 0.125.

Base conversion 287890369

Base System Value
2 Binary 10001001010001101101111000001
3 Ternary 202001201100100021
4 Quaternary 101022031233001
5 Quinary 1042144442434
6 Senary 44322253441
8 Octal 2112155701
10 Decimal 287890369
12 Duodecimal 804b7281
16 Hexadecimal 1128dbc1
20 Vigesimal 49j65i9
36 Base36 4rehmp

Cryptographic Hash Functions

md5 aea231343554ddbc4f3c2012294f065c
sha1 5d08e6e46ff0d037e00b348a7cdd762c16a6f982
sha256 074b45a436da89c4cda6524b1345eb31737893f9ef31987554521f43241e372f
sha512 49e796ee5ab90438ec0a339a9e487454037c8f5ddec899a1b061566d7adb43361e1138c9416bdda78c3375fef5f2034368c9d4761e37379458f505f8526faff2
ripemd-160 e54cd7b49e469c2e7a53ad605652b5917e4b8f51

287890369 as geometric shapes

Circle

Radius = n
Diameter 575780738
Circumference 1808868536.5793
Area 2.6037791523415E+17

Sphere

Radius = n
Volume 9.9947058794948E+25
Surface area 1.0415116609366E+18
Circumference 1808868536.5793

Square

Length = n
Perimeter 1151561476
Area 82880864562956161
Diagonal 407138464.31639

Cube

Length = n
Surface area 497285187377736966
Volume 2.3860602682068E+25
Space diagonal 498640746.11775

Equilateral Triangle

Length = n
Perimeter 863671107
Area 3.5888467099569E+16
Altitude 249320373.05888

Triangular Pyramid

Length = n
Surface area 3.5888467099569E+16
Volume 2.8119989932814E+24
Height 135712821.4388