218040981 (number)

218040981 is an odd 9-digits composite number following 218040980 and preceding 218040982. In scientific notation, it is written as 2.18040981 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 142902144 positive integers (up to 218040981) that are relatively prime to 218040981.

Interesting facts

Basic properties

Name

Name two hundred eighteen million forty thousand nine hundred eighty-one

Notation

Scientific notation 2.18040981 × 10^8
Engineering notation 2.18040981 × 10^6

Prime Factorization of 218040981

Prime Factorization 3 × 67 × 757 × 1433

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 218040981
Product of the distinct prime numbers

The prime factorization of 218040981 is 3 × 67 × 757 × 1433. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 218040981)

Multiplication

n×y
n×2 436081962
n×3 654122943
n×4 872163924
n×5 1090204905

Division

n÷y
n÷2 109020490.5
n÷3 72680327
n÷3 54510245.25
n÷5 43608196.2

Exponentiation

ny
n2 47541869395442361
n3 1.0366075841556E+25
n4 2.2602293456133E+33
n5 4.9282262380251E+41

Nth Root

y√n
2√n 14766.210786793
3√n 601.88387605
4√n 121.51629844096
5√n 46.527275841698

Divisors of 218040981

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 -218040980
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 218040981 can be divided by 16 positive divisors. The sum of these divisors (counting 218040981) is 1, the average is 0.0625.

Base conversion 218040981

Base System Value
2 Binary 1100111111110000101010010101
3 Ternary 120012021121222220
4 Quaternary 30333300222111
5 Quinary 421304302411
6 Senary 33345212553
8 Octal 1477605225
10 Decimal 218040981
12 Duodecimal 61031159
16 Hexadecimal cff0a95
20 Vigesimal 382f291
36 Base36 3ltdhx

Cryptographic Hash Functions

md5 5dfe19acdb20401db5ecf6c917442f28
sha1 ba058200aeffebb7cded195f08cd77ec65a8f526
sha256 3d450dfec509f9fdca0e0b416afd60044d284e08a9a7c0214792dd836e48f93e
sha512 1318258a53085e7069ac7cdd7426fa99ada5022a8f18c41fecbc5a6c832b0fd7c0672d30f01a7624d8032b589ca30745447c857f41feb109fa08875053b49176
ripemd-160 e6fec70add4ae4beb4dad38be8c247d2274fc8fa

218040981 as geometric shapes

Circle

Radius = n
Diameter 436081962
Circumference 1369991888.1822
Area 1.4935718763065E+17

Sphere

Radius = n
Volume 4.3421316947183E+25
Surface area 5.9742875052259E+17
Circumference 1369991888.1822

Square

Length = n
Perimeter 872163924
Area 47541869395442361
Diagonal 308356512.48333

Cube

Length = n
Surface area 285251216372654166
Volume 1.0366075841556E+25
Space diagonal 377658057.22416

Equilateral Triangle

Length = n
Perimeter 654122943
Area 2.0586233319928E+16
Altitude 188829028.61208

Triangular Pyramid

Length = n
Surface area 2.0586233319928E+16
Volume 1.2216537536431E+24
Height 102785504.16111