201128987 (number)

201128987 is an odd 9-digits composite number following 201128986 and preceding 201128988. In scientific notation, it is written as 2.01128987 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 199638760 positive integers (up to 201128987) that are relatively prime to 201128987.

Interesting facts

Basic properties

Name

Name two hundred one million one hundred twenty-eight thousand nine hundred eighty-seven

Notation

Scientific notation 2.01128987 × 10^8
Engineering notation 2.01128987 × 10^6

Prime Factorization of 201128987

Prime Factorization 263 × 311 × 2459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 201128987
Product of the distinct prime numbers

The prime factorization of 201128987 is 263 × 311 × 2459. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 90, 28, 149, 800, 337, 9893, 68681, 834, 668341, 966856, 1672252, 1498205, 76627310, 35131932, 943887534, 102933541, 3426790519, 7212348099

Basic calculations (n = 201128987)

Multiplication

n×y
n×2 402257974
n×3 603386961
n×4 804515948
n×5 1005644935

Division

n÷y
n÷2 100564493.5
n÷3 67042995.666667
n÷3 50282246.75
n÷5 40225797.4

Exponentiation

ny
n2 40452869411646169
n3 8.1362446460077E+24
n4 1.6364346436357E+33
n5 3.2913444216615E+41

Nth Root

y√n
2√n 14181.995169933
3√n 585.90187623467
4√n 119.08818232693
5√n 45.782018154619

Divisors of 201128987

1, 263, 311, 2459, 81793, 646717, 764749, 201128987

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 -201128986
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 201128987 can be divided by 8 positive divisors. The sum of these divisors (counting 201128987) is 1, the average is 0.125.

Base conversion 201128987

Base System Value
2 Binary 1011111111001111110000011011
3 Ternary 112000110102002202
4 Quaternary 23333033300123
5 Quinary 402442111422
6 Senary 31542520415
8 Octal 1377176033
10 Decimal 201128987
12 Duodecimal 5743610b
16 Hexadecimal bfcfc1b
20 Vigesimal 32h1297
36 Base36 3bqw4b

Cryptographic Hash Functions

md5 492e34b36bb8f07cc20acc9f20292100
sha1 4fd31ef7e78c5a72c1be590566d7e5adf9b04684
sha256 21c8dd72f5a462e6dd2ae308abc63601b87640b183e6724c36e663c5b9cae230
sha512 80456c95aad3b10f568538b4409791d7b7d3e84c83bb027df5cfb5cc5d1029e678412ae83ccc04237811ac34d41bc6acc4f086b00ddceed6da592b72b722c371
ripemd-160 7fdd26e72f329c64f9f4538424b0e92f006c5a98

201128987 as geometric shapes

Circle

Radius = n
Diameter 402257974
Circumference 1263730695.9663
Area 1.2708643736025E+17

Sphere

Radius = n
Volume 3.4081021876943E+25
Surface area 5.0834574944102E+17
Circumference 1263730695.9663

Square

Length = n
Perimeter 804515948
Area 40452869411646169
Diagonal 284439341.20176

Cube

Length = n
Surface area 242717216469877014
Volume 8.1362446460077E+24
Space diagonal 348365624.35886

Equilateral Triangle

Length = n
Perimeter 603386961
Area 1.751660628323E+16
Altitude 174182812.17943

Triangular Pyramid

Length = n
Surface area 1.751660628323E+16
Volume 9.5886562709746E+23
Height 94813113.733921