212975981 (number)

212975981 is an odd 9-digits composite number following 212975980 and preceding 212975982. In scientific notation, it is written as 2.12975981 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 211546464 positive integers (up to 212975981) that are relatively prime to 212975981.

Interesting facts

Basic properties

Name

Name two hundred twelve million nine hundred seventy-five thousand nine hundred eighty-one

Notation

Scientific notation 2.12975981 × 10^8
Engineering notation 2.12975981 × 10^6

Prime Factorization of 212975981

Prime Factorization 149 × 1429369

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 212975981
Product of the distinct prime numbers

The prime factorization of 212975981 is 149 × 1429369. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 95, 56, 914, 298, 2682, 802, 69893, 12077, 173854, 188199, 7044113, 888246, 66753349, 92470341, 616662695, 429860740, 8564043044, 27813938

Basic calculations (n = 212975981)

Multiplication

n×y
n×2 425951962
n×3 638927943
n×4 851903924
n×5 1064879905

Division

n÷y
n÷2 106487990.5
n÷3 70991993.666667
n÷3 53243995.25
n÷5 42595196.2

Exponentiation

ny
n2 45358768482912361
n3 9.6603282146001E+24
n4 2.0574178782864E+33
n5 4.3818059095499E+41

Nth Root

y√n
2√n 14593.696618746
3√n 597.18681298658
4√n 120.8043733428
5√n 46.309077047134

Divisors of 212975981

1, 149, 1429369, 212975981

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 -212975980
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 212975981 can be divided by 4 positive divisors. The sum of these divisors (counting 212975981) is 1, the average is 0.25.

Base conversion 212975981

Base System Value
2 Binary 1100101100011100000101101101
3 Ternary 112211202022010022
4 Quaternary 30230130011231
5 Quinary 414010212411
6 Senary 33044451525
8 Octal 1454340555
10 Decimal 212975981
12 Duodecimal 5b3a9ba5
16 Hexadecimal cb1c16d
20 Vigesimal 36b1jj1
36 Base36 3istbh

Cryptographic Hash Functions

md5 e32acbfcc9ffc9752b5f787202b630a7
sha1 475bed59df5d4d0d7ef8d09891fa9e20df04e08c
sha256 27a800e464532ec0a13e0ff8c9ceaac874bae112de63da5a5ebdb217ab5bf65e
sha512 a7bd58906a17b9aa1475877157f7917e51bacf3ee6017777c44dfa88f76b6905aa22137c6e3bc9b09648a560c35ed6c2a10d4c09c51ce73d4091f03a7e67f324
ripemd-160 59c49970e95551b436ad172debc40e274854f80e

212975981 as geometric shapes

Circle

Radius = n
Diameter 425951962
Circumference 1338167554.6014
Area 1.424987738418E+17

Sphere

Radius = n
Volume 4.0465088200339E+25
Surface area 5.6999509536719E+17
Circumference 1338167554.6014

Square

Length = n
Perimeter 851903924
Area 45358768482912361
Diagonal 301193520.78991

Cube

Length = n
Surface area 272152610897474166
Volume 9.6603282146001E+24
Space diagonal 368885219.88382

Equilateral Triangle

Length = n
Perimeter 638927943
Area 1.964092289529E+16
Altitude 184442609.94191

Triangular Pyramid

Length = n
Surface area 1.964092289529E+16
Volume 1.1384805981719E+24
Height 100397840.2633