291220021 (number)

291220021 is an odd 9-digits prime number following 291220020 and preceding 291220022. In scientific notation, it is written as 2.91220021 × 10^8. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 291220020 positive integers (up to 291220021) that are relatively prime to 291220021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.91220021 × 10^8
Engineering notation 2.91220021 × 10^6

Prime Factorization of 291220021

Prime Factorization 291220021

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 291220021
Product of the distinct prime numbers

The prime factorization of 291220021 is 291220021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 6, 95, 34, 377, 192, 2, 2840, 69068, 62447, 495192, 154263, 6500580, 5100217, 50423562, 77218583, 897040245, 328966710, 3880588831, 8040734712

Basic calculations (n = 291220021)

Multiplication

n×y
n×2 582440042
n×3 873660063
n×4 1164880084
n×5 1456100105

Division

n÷y
n÷2 145610010.5
n÷3 97073340.333333
n÷3 72805005.25
n÷5 58244004.2

Exponentiation

ny
n2 84809100631240441
n3 2.4698108066821E+25
n4 7.1925835498799E+33
n5 2.0946243324403E+42

Nth Root

y√n
2√n 17065.169820427
3√n 662.83750862613
4√n 130.6337239017
5√n 49.299696511261

Divisors of 291220021

1, 291220021

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 291220022
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 145610011
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 17065.169849726
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999931323
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 291220021 can be divided by 2 positive divisors. The sum of these divisors (counting 291220021) is 291220022, the average is 145610011.

Base conversion 291220021

Base System Value
2 Binary 10001010110111010101000110101
3 Ternary 202021222111202201
4 Quaternary 101112322220311
5 Quinary 1044023020041
6 Senary 44521504501
8 Octal 2126725065
10 Decimal 291220021
12 Duodecimal 81642131
16 Hexadecimal 115baa35
20 Vigesimal 4b02a11
36 Base36 4tdut1

Cryptographic Hash Functions

md5 8e0fb6447ae5ff76acf34a7fa3db910d
sha1 47c3e5ea20d8a16e4b45e7689dc73ff800d5bf1c
sha256 2650b7aae3c89ccb454a6a8925a66065b2830497f0646b28b8b10edef4a6093c
sha512 c07b2362a6658ba7da075df073bbbf5877954627b67b9681a02f40f49b1603d6a2be6b4453a23ffcd947e267eed1c4175d66a8b50970a582671288bf285ab637
ripemd-160 630e5bd02c5e13d173cd44f108bc08a0bdd13e54

291220021 as geometric shapes

Circle

Radius = n
Diameter 582440042
Circumference 1829789357.1037
Area 2.6643564750066E+17

Sphere

Radius = n
Volume 1.0345519314706E+26
Surface area 1.0657425900026E+18
Circumference 1829789357.1037

Square

Length = n
Perimeter 1164880084
Area 84809100631240441
Diagonal 411847303.33278

Cube

Length = n
Surface area 508854603787442646
Volume 2.4698108066821E+25
Space diagonal 504407872.55328

Equilateral Triangle

Length = n
Perimeter 873660063
Area 3.6723417809383E+16
Altitude 252203936.27664

Triangular Pyramid

Length = n
Surface area 3.6723417809383E+16
Volume 2.9106999494212E+24
Height 137282434.44426