221601981 (number)

221601981 is an odd 9-digits composite number following 221601980 and preceding 221601982. In scientific notation, it is written as 2.21601981 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 142968960 positive integers (up to 221601981) that are relatively prime to 221601981.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred one thousand nine hundred eighty-one

Notation

Scientific notation 2.21601981 × 10^8
Engineering notation 2.21601981 × 10^6

Prime Factorization of 221601981

Prime Factorization 3 × 31 × 2382817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221601981
Product of the distinct prime numbers

The prime factorization of 221601981 is 3 × 31 × 2382817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 5, 59, 630, 975, 3224, 6159, 95780, 17958, 507082, 935075, 1500597, 1275717, 42963862, 32965217, 473328897, 144594221, 9908661303, 942303371

Basic calculations (n = 221601981)

Multiplication

n×y
n×2 443203962
n×3 664805943
n×4 886407924
n×5 1108009905

Division

n÷y
n÷2 110800990.5
n÷3 73867327
n÷3 55400495.25
n÷5 44320396.2

Exponentiation

ny
n2 49107437983124361
n3 1.0882305538895E+25
n4 2.4115404652664E+33
n5 5.344021443647E+41

Nth Root

y√n
2√n 14886.301790572
3√n 605.1428126306
4√n 122.00943320323
5√n 46.678267412801

Divisors of 221601981

1, 3, 31, 93, 2382817, 7148451, 73867327, 221601981

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 -221601980
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 221601981 can be divided by 8 positive divisors. The sum of these divisors (counting 221601981) is 1, the average is 0.125.

Base conversion 221601981

Base System Value
2 Binary 1101001101010110000010111101
3 Ternary 120102222112202210
4 Quaternary 31031112002331
5 Quinary 423212230411
6 Senary 33553411033
8 Octal 1515260275
10 Decimal 221601981
12 Duodecimal 62269a79
16 Hexadecimal d3560bd
20 Vigesimal 39504j1
36 Base36 3nxp6l

Cryptographic Hash Functions

md5 6758bfb33724dd55df3d81e339cdbe87
sha1 d7a077b2b7a849f3d76fcf79a00d6069d7ad87ed
sha256 bd614fe504e38daffc4f1cb8e160de8f900b4ae1f4a367b48b3e89391ce2b946
sha512 885445d75b942296039f7439bb8979291ebb0868baff9daac10dcee74eac7699711c84df11c49ff2b53d589826e721e3f585a349ddebe27793a0fcd6836bbc06
ripemd-160 a69e022abe833c91b7692858efbc4d6e8487a178

221601981 as geometric shapes

Circle

Radius = n
Diameter 443203962
Circumference 1392366311.0611
Area 1.542755664044E+17

Sphere

Radius = n
Volume 4.5583694846816E+25
Surface area 6.171022656176E+17
Circumference 1392366311.0611

Square

Length = n
Perimeter 886407924
Area 49107437983124361
Diagonal 313392526.97894

Cube

Length = n
Surface area 294644627898746166
Volume 1.0882305538895E+25
Space diagonal 383825890.14991

Equilateral Triangle

Length = n
Perimeter 664805943
Area 2.1264144404077E+16
Altitude 191912945.07496

Triangular Pyramid

Length = n
Surface area 2.1264144404077E+16
Volume 1.2824920069161E+24
Height 104464175.65965