201801981 (number)

201801981 is an odd 9-digits composite number following 201801980 and preceding 201801982. In scientific notation, it is written as 2.01801981 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 129507840 positive integers (up to 201801981) that are relatively prime to 201801981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.01801981 × 10^8
Engineering notation 2.01801981 × 10^6

Prime Factorization of 201801981

Prime Factorization 3 × 29 × 353 × 6571

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 201801981
Product of the distinct prime numbers

The prime factorization of 201801981 is 3 × 29 × 353 × 6571. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 40, 2, 257, 800, 2210, 8990, 44665, 90245, 252537, 577431, 433684, 8072301, 1911718, 89539299, 914629665, 671501078, 1454539568, 9310673957

Basic calculations (n = 201801981)

Multiplication

n×y
n×2 403603962
n×3 605405943
n×4 807207924
n×5 1009009905

Division

n÷y
n÷2 100900990.5
n÷3 67267327
n÷3 50450495.25
n÷5 40360396.2

Exponentiation

ny
n2 40724039535524361
n3 8.2181918525911E+24
n4 1.658447396091E+33
n5 3.3467796991545E+41

Nth Root

y√n
2√n 14205.702411356
3√n 586.55464053421
4√n 119.18767726303
5√n 45.812615303349

Divisors of 201801981

1, 3, 29, 87, 353, 1059, 6571, 10237, 19713, 30711, 190559, 571677, 2319563, 6958689, 67267327, 201801981

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -201801980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 201801981 can be divided by 16 positive divisors. The sum of these divisors (counting 201801981) is 1, the average is 0.0625.

Base conversion 201801981

Base System Value
2 Binary 1100000001110100000011111101
3 Ternary 112001201121021110
4 Quaternary 30001310003331
5 Quinary 403130130411
6 Senary 32005152233
8 Octal 1401640375
10 Decimal 201801981
12 Duodecimal 576bb679
16 Hexadecimal c0740fd
20 Vigesimal 33154j1
36 Base36 3c5bel

Cryptographic Hash Functions

md5 1a165092ce60cfdb1cc9e2b238cb01aa
sha1 a69306e9ebd8875208e16c20c39e9d7c78fdbe11
sha256 a27a556a8d69e6d4031c873920870988291c1240829672a807dca46788609e09
sha512 c8937719039b3928e7d95f71e5c5490984ee7370f852a5f4ba7559159c7b0fdfc86da8af81efd5f098e3ecb6f7f2be1ddc5907af07868ea2adbe77c52e9dd8fd
ripemd-160 021911e82b5872ab1be2baf366233b4273d0dd65

201801981 as geometric shapes

Circle

Radius = n
Diameter 403603962
Circumference 1267959241.9789
Area 1.279383434293E+17

Sphere

Radius = n
Volume 3.4424281533189E+25
Surface area 5.1175337371721E+17
Circumference 1267959241.9789

Square

Length = n
Perimeter 807207924
Area 40724039535524361
Diagonal 285391098.44396

Cube

Length = n
Surface area 244344237213146166
Volume 8.2181918525911E+24
Space diagonal 349531284.16005

Equilateral Triangle

Length = n
Perimeter 605405943
Area 1.7634026391243E+16
Altitude 174765642.08002

Triangular Pyramid

Length = n
Surface area 1.7634026391243E+16
Volume 9.6852319800987E+23
Height 95130366.147986