211312981 (number)

211312981 is an odd 9-digits composite number following 211312980 and preceding 211312982. In scientific notation, it is written as 2.11312981 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 192102700 positive integers (up to 211312981) that are relatively prime to 211312981.

Interesting facts

Basic properties

Name

Name two hundred eleven million three hundred twelve thousand nine hundred eighty-one

Notation

Scientific notation 2.11312981 × 10^8
Engineering notation 2.11312981 × 10^6

Prime Factorization of 211312981

Prime Factorization 11 × 19210271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 211312981
Product of the distinct prime numbers

The prime factorization of 211312981 is 11 × 19210271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 211312981)

Multiplication

n×y
n×2 422625962
n×3 633938943
n×4 845251924
n×5 1056564905

Division

n÷y
n÷2 105656490.5
n÷3 70437660.333333
n÷3 52828245.25
n÷5 42262596.2

Exponentiation

ny
n2 44653175939106361
n3 9.43579571881E+24
n4 1.9939061214488E+33
n5 4.2133824635749E+41

Nth Root

y√n
2√n 14536.608304553
3√n 595.62839337543
4√n 120.56785767589
5√n 46.236530214549

Divisors of 211312981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -211312980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 211312981 can be divided by 4 positive divisors. The sum of these divisors (counting 211312981) is 1, the average is 0.25.

Base conversion 211312981

Base System Value
2 Binary 1100100110000110000101010101
3 Ternary 112201121210220201
4 Quaternary 30212012011111
5 Quinary 413044003411
6 Senary 32545100501
8 Octal 1446060525
10 Decimal 211312981
12 Duodecimal 5a927731
16 Hexadecimal c986155
20 Vigesimal 360e291
36 Base36 3ht651

Cryptographic Hash Functions

md5 7af561d250e03d682f7c7f72f91ca85f
sha1 10897cdfb4f488e5a9aa1354464323476c50b38d
sha256 26df5be7396c3536fa00f010b803eab8f01816b33fab1ad099a091a9cc242cfc
sha512 8af5aa717812bf5da23424d85bc1c44856cbe1e53de31340967c2ecbdf7963dd8485b8195570779fc6f053fdfe5a249a12bf6df849de33433400353bdd6d491a
ripemd-160 b60217255a3ad1cbfc1af2cb154d0425b40b343a

211312981 as geometric shapes

Circle

Radius = n
Diameter 422625962
Circumference 1327718617.4355
Area 1.4028208948975E+17

Sphere

Radius = n
Volume 3.9524568681317E+25
Surface area 5.61128357959E+17
Circumference 1327718617.4355

Square

Length = n
Perimeter 845251924
Area 44653175939106361
Diagonal 298841683.63569

Cube

Length = n
Surface area 267919055634638166
Volume 9.43579571881E+24
Space diagonal 366004819.39084

Equilateral Triangle

Length = n
Perimeter 633938943
Area 1.9335392361461E+16
Altitude 183002409.69542

Triangular Pyramid

Length = n
Surface area 1.9335392361461E+16
Volume 1.1120191897769E+24
Height 99613894.545229