215480981 (number)

215480981 is an odd 9-digits composite number following 215480980 and preceding 215480982. In scientific notation, it is written as 2.15480981 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 213749712 positive integers (up to 215480981) that are relatively prime to 215480981.

Interesting facts

Basic properties

Name

Name two hundred fifteen million four hundred eighty thousand nine hundred eighty-one

Notation

Scientific notation 2.15480981 × 10^8
Engineering notation 2.15480981 × 10^6

Prime Factorization of 215480981

Prime Factorization 199 × 373 × 2903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 215480981
Product of the distinct prime numbers

The prime factorization of 215480981 is 199 × 373 × 2903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 215480981)

Multiplication

n×y
n×2 430961962
n×3 646442943
n×4 861923924
n×5 1077404905

Division

n÷y
n÷2 107740490.5
n÷3 71826993.666667
n÷3 53870245.25
n÷5 43096196.2

Exponentiation

ny
n2 46432053172722361
n3 1.0005224367502E+25
n4 2.1559355618345E+33
n5 4.6456310983689E+41

Nth Root

y√n
2√n 14679.270451899
3√n 599.51904141961
4√n 121.15803915506
5√n 46.417504566512

Divisors of 215480981

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 -215480980
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 215480981 can be divided by 8 positive divisors. The sum of these divisors (counting 215480981) is 1, the average is 0.125.

Base conversion 215480981

Base System Value
2 Binary 1100110101111111101010010101
3 Ternary 120000110120100002
4 Quaternary 30311333222111
5 Quinary 420130342411
6 Senary 33214301045
8 Octal 1465775225
10 Decimal 215480981
12 Duodecimal 601b7785
16 Hexadecimal cd7fa95
20 Vigesimal 376f291
36 Base36 3kai6t

Cryptographic Hash Functions

md5 2fb4f00aa99056f9e2025e47331fae61
sha1 22c25a8f3561bfe727815348ef3ab1223f4c7744
sha256 02703e91a9d4110737d5e58f883920afa6af31338f88d10f8130b75a6d1ffd1c
sha512 070eadc4e7d491d5f9051215177d13ce2d2ccb754ef51e5560f884b0b931b001c446308a2f36279e8e0644aa86ce42008b1438e6623c251a2f6a0c3ed8c154e4
ripemd-160 e3de64070540d7807adc0f88ce8028ba84ef5e1c

215480981 as geometric shapes

Circle

Radius = n
Diameter 430961962
Circumference 1353906933.7958
Area 1.4587059713852E+17

Sphere

Radius = n
Volume 4.1909785827284E+25
Surface area 5.8348238855406E+17
Circumference 1353906933.7958

Square

Length = n
Perimeter 861923924
Area 46432053172722361
Diagonal 304736125.76366

Cube

Length = n
Surface area 278592319036334166
Volume 1.0005224367502E+25
Space diagonal 373224007.15678

Equilateral Triangle

Length = n
Perimeter 646442943
Area 2.0105668798724E+16
Altitude 186612003.57839

Triangular Pyramid

Length = n
Surface area 2.0105668798724E+16
Volume 1.1791269995923E+24
Height 101578708.58789