256291221 (number)

256291221 is an odd 9-digits composite number following 256291220 and preceding 256291222. In scientific notation, it is written as 2.56291221 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 167964752 positive integers (up to 256291221) that are relatively prime to 256291221.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.56291221 × 10^8
Engineering notation 2.56291221 × 10^6

Prime Factorization of 256291221

Prime Factorization 3 × 59 × 1447973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 256291221
Product of the distinct prime numbers

The prime factorization of 256291221 is 3 × 59 × 1447973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 256291221)

Multiplication

n×y
n×2 512582442
n×3 768873663
n×4 1025164884
n×5 1281456105

Division

n÷y
n÷2 128145610.5
n÷3 85430407
n÷3 64072805.25
n÷5 51258244.2

Exponentiation

ny
n2 65685189961670841
n3 1.6834537536894E+25
n4 4.3145441803008E+33
n5 1.1057797960277E+42

Nth Root

y√n
2√n 16009.098069535
3√n 635.2011027336
4√n 126.5270645733
5√n 48.055903409264

Divisors of 256291221

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 -256291220
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 256291221 can be divided by 8 positive divisors. The sum of these divisors (counting 256291221) is 1, the average is 0.125.

Base conversion 256291221

Base System Value
2 Binary 1111010001101011000110010101
3 Ternary 122212020221110110
4 Quaternary 33101223012111
5 Quinary 1011102304341
6 Senary 41233113233
8 Octal 1721530625
10 Decimal 256291221
12 Duodecimal 719b8819
16 Hexadecimal f46b195
20 Vigesimal 401g811
36 Base36 48l7kl

Cryptographic Hash Functions

md5 b74aeb2a7984658963bcae8c9a60b640
sha1 8880d7513f28829b8d353a2795a0427153106c43
sha256 d5f570c259aacaf35e89c53e526ed4901d8055bf9cf2378d0611171a98ec2f82
sha512 3fc09cfa6be70306e8cf265f1618a97969a431e85c661985e15096c15afbd622c4dc5ebdde11f80d049fa09f1ff7870df66e939837abb577293f6bbf99e77ab1
ripemd-160 19bbdd3180fc394007666c48aa6ff46f87443d69

256291221 as geometric shapes

Circle

Radius = n
Diameter 512582442
Circumference 1610325234.1463
Area 2.0635611023324E+17

Sphere

Radius = n
Volume 7.0516345936649E+25
Surface area 8.2542444093294E+17
Circumference 1610325234.1463

Square

Length = n
Perimeter 1025164884
Area 65685189961670841
Diagonal 362450520.65536

Cube

Length = n
Surface area 394111139770025046
Volume 1.6834537536894E+25
Space diagonal 443909416.30586

Equilateral Triangle

Length = n
Perimeter 768873663
Area 2.8442521579607E+16
Altitude 221954708.15293

Triangular Pyramid

Length = n
Surface area 2.8442521579607E+16
Volume 1.9839692750795E+24
Height 120816840.21845