291201221 (number)

291201221 is an odd 9-digits composite number following 291201220 and preceding 291201222. In scientific notation, it is written as 2.91201221 × 10^8. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 288908172 positive integers (up to 291201221) that are relatively prime to 291201221.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred one thousand two hundred twenty-one

Notation

Scientific notation 2.91201221 × 10^8
Engineering notation 2.91201221 × 10^6

Prime Factorization of 291201221

Prime Factorization 127 × 2292923

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 291201221
Product of the distinct prime numbers

The prime factorization of 291201221 is 127 × 2292923. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 85, 54, 545, 738, 7435, 9770, 62671, 31028, 711496, 786689, 1919769, 881384, 53806622, 63031045, 212123745, 905171158, 4917491240, 9343558842

Basic calculations (n = 291201221)

Multiplication

n×y
n×2 582402442
n×3 873603663
n×4 1164804884
n×5 1456006105

Division

n÷y
n÷2 145600610.5
n÷3 97067073.666667
n÷3 72800305.25
n÷5 58240244.2

Exponentiation

ny
n2 84798151111890841
n3 2.4693325142325E+25
n4 7.1907264319951E+33
n5 2.0939483168739E+42

Nth Root

y√n
2√n 17064.618981976
3√n 662.82324493954
4√n 130.63161555296
5√n 49.299059976571

Divisors of 291201221

1, 127, 2292923, 291201221

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 -291201220
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 291201221 can be divided by 4 positive divisors. The sum of these divisors (counting 291201221) is 1, the average is 0.25.

Base conversion 291201221

Base System Value
2 Binary 10001010110110110000011000101
3 Ternary 202021221112222102
4 Quaternary 101112312003011
5 Quinary 1044021414341
6 Senary 44521241445
8 Octal 2126660305
10 Decimal 291201221
12 Duodecimal 81633285
16 Hexadecimal 115b60c5
20 Vigesimal 4b00311
36 Base36 4tdgat

Cryptographic Hash Functions

md5 d23cf5756ee15effee6f02cf13046b23
sha1 653e39e41245c6be1fabdfa6e3c16e730abc5ada
sha256 6400db5163e2d0b1ff2bee103bf6a7294e040a18f97cc484cf71ea20079024ce
sha512 ff9298499c0e2de126c9bce16454eee123f156761369aaf1837484e80809e50eaa66f1e71136312291d7027dad9ec5526f318a1ba71dd1d523b22d63b59f971f
ripemd-160 c0f1543de230842e6a97da4f23fbcfc13bea7170

291201221 as geometric shapes

Circle

Radius = n
Diameter 582402442
Circumference 1829671233.22
Area 2.6640124857111E+17

Sphere

Radius = n
Volume 1.0343515847978E+26
Surface area 1.0656049942845E+18
Circumference 1829671233.22

Square

Length = n
Perimeter 1164804884
Area 84798151111890841
Diagonal 411820716.1178

Cube

Length = n
Surface area 508788906671345046
Volume 2.4693325142325E+25
Space diagonal 504375309.99809

Equilateral Triangle

Length = n
Perimeter 873603663
Area 3.6718676528425E+16
Altitude 252187654.99905

Triangular Pyramid

Length = n
Surface area 3.6718676528425E+16
Volume 2.9101362763637E+24
Height 137273572.03927