212912491 (number)

212912491 is an odd 9-digits composite number following 212912490 and preceding 212912492. In scientific notation, it is written as 2.12912491 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 189438120 positive integers (up to 212912491) that are relatively prime to 212912491.

Interesting facts

Basic properties

Name

Name two hundred twelve million nine hundred twelve thousand four hundred ninety-one

Notation

Scientific notation 2.12912491 × 10^8
Engineering notation 2.12912491 × 10^6

Prime Factorization of 212912491

Prime Factorization 11 × 47 × 411823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 212912491
Product of the distinct prime numbers

The prime factorization of 212912491 is 11 × 47 × 411823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 212912491)

Multiplication

n×y
n×2 425824982
n×3 638737473
n×4 851649964
n×5 1064562455

Division

n÷y
n÷2 106456245.5
n÷3 70970830.333333
n÷3 53228122.75
n÷5 42582498.2

Exponentiation

ny
n2 45331728823825081
n3 9.6516913052171E+24
n4 2.0549656381568E+33
n5 4.3752785293937E+41

Nth Root

y√n
2√n 14591.521202397
3√n 597.12746488727
4√n 120.79536912646
5√n 46.306315689777

Divisors of 212912491

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 -212912490
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 212912491 can be divided by 8 positive divisors. The sum of these divisors (counting 212912491) is 1, the average is 0.125.

Base conversion 212912491

Base System Value
2 Binary 1100101100001100100101101011
3 Ternary 112211122002000211
4 Quaternary 30230030211223
5 Quinary 414001144431
6 Senary 33043241551
8 Octal 1454144553
10 Decimal 212912491
12 Duodecimal 5b3792b7
16 Hexadecimal cb0c96b
20 Vigesimal 36ae14b
36 Base36 3irgbv

Cryptographic Hash Functions

md5 9f9c00b0c3172f610857de4d471427fe
sha1 6213645970f09f5cffa017b4fa5915f0ae21a5e6
sha256 889c288eb92b8cbb38a30c12a79b10144bf311ecf4dd28ec2ef1f1a757d772f2
sha512 c048e5d2e29cb6b63728640a18944d0676decb503b0f14089206965952308e19ffe4007284f7eec206bc8342eba6e1f726c9711d54319851720cb23b2bddbe4c
ripemd-160 3e8a45562894e22a1e8ade94ce15d9995b8ec093

212912491 as geometric shapes

Circle

Radius = n
Diameter 425824982
Circumference 1337768635.1662
Area 1.4241382624745E+17

Sphere

Radius = n
Volume 4.0428909998915E+25
Surface area 5.6965530498981E+17
Circumference 1337768635.1662

Square

Length = n
Perimeter 851649964
Area 45331728823825081
Diagonal 301103732.37084

Cube

Length = n
Surface area 271990372942950486
Volume 9.6516913052171E+24
Space diagonal 368775251.97805

Equilateral Triangle

Length = n
Perimeter 638737473
Area 1.962921437945E+16
Altitude 184387625.98903

Triangular Pyramid

Length = n
Surface area 1.962921437945E+16
Volume 1.1374627286397E+24
Height 100367910.79028