291220028 (number)

291220028 is an even 9-digits composite number following 291220027 and preceding 291220029. In scientific notation, it is written as 2.91220028 × 10^8. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 132254000 positive integers (up to 291220028) that are relatively prime to 291220028.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.91220028 × 10^8
Engineering notation 2.91220028 × 10^6

Prime Factorization of 291220028

Prime Factorization 2 × 2 × 11 × 1487 × 4451

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 145610014
Product of the distinct prime numbers

The prime factorization of 291220028 is 2 × 2 × 11 × 1487 × 4451. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 51, 29, 410, 315, 5417, 7242, 5432, 1621, 709958, 461068, 8945373, 2992535, 84049245, 67630819, 920436585, 940798891, 9915969834, 9029790903

Basic calculations (n = 291220028)

Multiplication

n×y
n×2 582440056
n×3 873660084
n×4 1164880112
n×5 1456100140

Division

n÷y
n÷2 145610014
n÷3 97073342.666667
n÷3 72805007
n÷5 58244005.6

Exponentiation

ny
n2 84809104708320784
n3 2.4698109847812E+25
n4 7.1925842414269E+33
n5 2.0946245841807E+42

Nth Root

y√n
2√n 17065.170025523
3√n 662.83751393696
4√n 130.63372468671
5√n 49.299696748262

Divisors of 291220028

1, 2, 4, 11, 22, 44, 1487, 2974, 4451, 5948, 8902, 16357, 17804, 32714, 48961, 65428, 97922, 195844, 6618637, 13237274, 26474548, 72805007, 145610014, 291220028

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -291220027
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 291220028 can be divided by 24 positive divisors. The sum of these divisors (counting 291220028) is 1, the average is 0.041666666666667.

Base conversion 291220028

Base System Value
2 Binary 10001010110111010101000111100
3 Ternary 202021222111202222
4 Quaternary 101112322220330
5 Quinary 1044023020103
6 Senary 44521504512
8 Octal 2126725074
10 Decimal 291220028
12 Duodecimal 81642138
16 Hexadecimal 115baa3c
20 Vigesimal 4b02a18
36 Base36 4tdut8

Cryptographic Hash Functions

md5 307697c84780a2965079391949443f31
sha1 f6efd1848f638d6209de89adac0b56815424a005
sha256 40ef0c45d7f107b98b1b29142582a5f8b4d2ece91acb3a81cb0303f53d03155f
sha512 68913231fbc7f2db546d39d992d8fb64d9085f08b9c6921a6adcaf5b4b964e30309f94aafed36a5cc79060e2e13938763fffe9b67eb05da8536e6f2fc3247f4f
ripemd-160 a10efb27df32baf1ba0e8e9cf100a3f03c8dcd81

291220028 as geometric shapes

Circle

Radius = n
Diameter 582440056
Circumference 1829789401.086
Area 2.6643566030919E+17

Sphere

Radius = n
Volume 1.0345520060725E+26
Surface area 1.0657426412368E+18
Circumference 1829789401.086

Square

Length = n
Perimeter 1164880112
Area 84809104708320784
Diagonal 411847313.23227

Cube

Length = n
Surface area 508854628249924704
Volume 2.4698109847812E+25
Space diagonal 504407884.67763

Equilateral Triangle

Length = n
Perimeter 873660084
Area 3.672341957481E+16
Altitude 252203942.33882

Triangular Pyramid

Length = n
Surface area 3.672341957481E+16
Volume 2.910700159313E+24
Height 137282437.74409