209136987 (number)

209136987 is an odd 9-digits composite number following 209136986 and preceding 209136988. In scientific notation, it is written as 2.09136987 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 134789184 positive integers (up to 209136987) that are relatively prime to 209136987.

Interesting facts

Basic properties

Name

Name two hundred nine million one hundred thirty-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.09136987 × 10^8
Engineering notation 2.09136987 × 10^6

Prime Factorization of 209136987

Prime Factorization 3 × 3 × 37 × 163 × 3853

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 69712329
Product of the distinct prime numbers

The prime factorization of 209136987 is 3 × 3 × 37 × 163 × 3853. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 70, 25, 622, 304, 5702, 5111, 34494, 24555, 557703, 389764, 3295220, 7577509, 80485854, 355907, 591035358, 337812650, 7814566537, 5687347249

Basic calculations (n = 209136987)

Multiplication

n×y
n×2 418273974
n×3 627410961
n×4 836547948
n×5 1045684935

Division

n÷y
n÷2 104568493.5
n÷3 69712329
n÷3 52284246.75
n÷5 41827397.4

Exponentiation

ny
n2 43738279331438169
n3 9.1472919559414E+24
n4 1.9130370788749E+33
n5 4.0008681069518E+41

Nth Root

y√n
2√n 14461.569313183
3√n 593.57684210815
4√n 120.25626517227
5√n 46.140911474115

Divisors of 209136987

1, 3, 9, 37, 111, 163, 333, 489, 1467, 3853, 6031, 11559, 18093, 34677, 54279, 142561, 427683, 628039, 1283049, 1884117, 5652351, 23237443, 69712329, 209136987

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -209136986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 209136987 can be divided by 24 positive divisors. The sum of these divisors (counting 209136987) is 1, the average is 0.041666666666667.

Base conversion 209136987

Base System Value
2 Binary 1100011101110010110101011011
3 Ternary 112120112021000100
4 Quaternary 30131302311123
5 Quinary 412014340422
6 Senary 32430310443
8 Octal 1435626533
10 Decimal 209136987
12 Duodecimal 5a058423
16 Hexadecimal c772d5b
20 Vigesimal 3572297
36 Base36 3gij4r

Cryptographic Hash Functions

md5 490397cf61b189d654575146cd602fa3
sha1 a831149a9cf21a60e7b2a5692595169fdc55b825
sha256 85281b12bf55d4af71b6873f298641c36bf813a1731a3a5bc22f39dfb166dc40
sha512 c9afb6c15c3aabaf613733c5970cf494565e35af8bc903baab487dc908c9cfaeb079c17ddbfed3bd52b8182a591b54eda1c3d3729705fa911427ac9c53ab5e3c
ripemd-160 d2497151d015ca553fd28af85e61f080f3b15935

209136987 as geometric shapes

Circle

Radius = n
Diameter 418273974
Circumference 1314046443.9062
Area 1.374078570283E+17

Sphere

Radius = n
Volume 3.8316086945368E+25
Surface area 5.4963142811322E+17
Circumference 1314046443.9062

Square

Length = n
Perimeter 836547948
Area 43738279331438169
Diagonal 295764363.40925

Cube

Length = n
Surface area 262429675988629014
Volume 9.1472919559414E+24
Space diagonal 362235887.22587

Equilateral Triangle

Length = n
Perimeter 627410961
Area 1.8939230509423E+16
Altitude 181117943.61294

Triangular Pyramid

Length = n
Surface area 1.8939230509423E+16
Volume 1.0780186952565E+24
Height 98588121.136415