201909987 (number)

201909987 is an odd 9-digits composite number following 201909986 and preceding 201909988. In scientific notation, it is written as 2.01909987 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 134017488 positive integers (up to 201909987) that are relatively prime to 201909987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.01909987 × 10^8
Engineering notation 2.01909987 × 10^6

Prime Factorization of 201909987

Prime Factorization 3 × 3 × 229 × 97967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 67303329
Product of the distinct prime numbers

The prime factorization of 201909987 is 3 × 3 × 229 × 97967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 2, 28, 311, 896, 5211, 4110, 78090, 5614, 193302, 692907, 1822854, 1878054, 76882736, 86174924, 27908215, 934512975, 6261610827, 2858312068

Basic calculations (n = 201909987)

Multiplication

n×y
n×2 403819974
n×3 605729961
n×4 807639948
n×5 1009549935

Division

n÷y
n÷2 100954993.5
n÷3 67303329
n÷3 50477496.75
n÷5 40381997.4

Exponentiation

ny
n2 40767642850340169
n3 8.2313942379328E+24
n4 1.6620007035729E+33
n5 3.3557454045239E+41

Nth Root

y√n
2√n 14209.503404412
3√n 586.65926474964
4√n 119.20362160779
5√n 45.817518107922

Divisors of 201909987

1, 3, 9, 229, 687, 2061, 97967, 293901, 881703, 22434443, 67303329, 201909987

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201909986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201909987 can be divided by 12 positive divisors. The sum of these divisors (counting 201909987) is 1, the average is 0.083333333333333.

Base conversion 201909987

Base System Value
2 Binary 1100000010001110011011100011
3 Ternary 112001221002102200
4 Quaternary 30002032123203
5 Quinary 403142104422
6 Senary 32011344243
8 Octal 1402163343
10 Decimal 201909987
12 Duodecimal 57752083
16 Hexadecimal c08e6e3
20 Vigesimal 331iej7
36 Base36 3c7mqr

Cryptographic Hash Functions

md5 05970a4b91baa9593374125d50c7ef1b
sha1 00f03dac37f14bbd31f214825c516e2d6beaccfc
sha256 ae48e75b88b79aeef8869e3f364dc728d16e76d982a345b39ba9787e993d4d0c
sha512 8d4d279c54485987eecd3dc58287970e352b6cb58d191ab247800d860719c20913aea36693363ec7f7996480d12e86fb7853e2fbfeff506e3b6f8bbf6f877c35
ripemd-160 297f003c2bdba172f688031fe3cc084d0b927816

201909987 as geometric shapes

Circle

Radius = n
Diameter 403819974
Circumference 1268637863.6912
Area 1.280753272828E+17

Sphere

Radius = n
Volume 3.4479583555588E+25
Surface area 5.123013091312E+17
Circumference 1268637863.6912

Square

Length = n
Perimeter 807639948
Area 40767642850340169
Diagonal 285543841.99398

Cube

Length = n
Surface area 244605857102041014
Volume 8.2313942379328E+24
Space diagonal 349718356.03957

Equilateral Triangle

Length = n
Perimeter 605729961
Area 1.7652907180403E+16
Altitude 174859178.01979

Triangular Pyramid

Length = n
Surface area 1.7652907180403E+16
Volume 9.700791140437E+23
Height 95181280.664658