221736981 (number)

221736981 is an odd 9-digits composite number following 221736980 and preceding 221736982. In scientific notation, it is written as 2.21736981 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 147785040 positive integers (up to 221736981) that are relatively prime to 221736981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21736981 × 10^8
Engineering notation 2.21736981 × 10^6

Prime Factorization of 221736981

Prime Factorization 3 × 4987 × 14821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221736981
Product of the distinct prime numbers

The prime factorization of 221736981 is 3 × 4987 × 14821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 5, 23, 204, 317, 612, 3882, 12017, 61356, 760008, 959683, 4920226, 1635931, 38893102, 9535722, 498723273, 921871981, 1719508133, 8414458294

Basic calculations (n = 221736981)

Multiplication

n×y
n×2 443473962
n×3 665210943
n×4 886947924
n×5 1108684905

Division

n÷y
n÷2 110868490.5
n÷3 73912327
n÷3 55434245.25
n÷5 44347396.2

Exponentiation

ny
n2 49167288742994361
n3 1.0902206169827E+25
n4 2.417422282337E+33
n5 5.3603191868753E+41

Nth Root

y√n
2√n 14890.835470181
3√n 605.26567208573
4√n 122.02801100641
5√n 46.683953310614

Divisors of 221736981

1, 3, 4987, 14821, 14961, 44463, 73912327, 221736981

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 -221736980
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 221736981 can be divided by 8 positive divisors. The sum of these divisors (counting 221736981) is 1, the average is 0.125.

Base conversion 221736981

Base System Value
2 Binary 1101001101110111000000010101
3 Ternary 120110020101221210
4 Quaternary 31031313000111
5 Quinary 423231040411
6 Senary 34000332033
8 Octal 1515670025
10 Decimal 221736981
12 Duodecimal 62314019
16 Hexadecimal d377015
20 Vigesimal 395h291
36 Base36 3o0lcl

Cryptographic Hash Functions

md5 d0d710bb64b40c9b1ee2484e42901e3f
sha1 ab752911fc38743144b84e052ba850a13942b8de
sha256 db068ea78198023762d3a425b0a8ea5ca062b212649d8a9c9576487326af50e8
sha512 1b820f4fb21ba95c259b488abc3d9044d6aeab57c2753aac4b9dd935139df295e5db90a268cfac21c0ae50a955bcf85c69fcbd7e80530e0a238f94844c9b0705
ripemd-160 9b069f50dae5e691d4a0f238872c102c0bc3e42c

221736981 as geometric shapes

Circle

Radius = n
Diameter 443473962
Circumference 1393214541.0776
Area 1.5446359311192E+17

Sphere

Radius = n
Volume 4.5667054414732E+25
Surface area 6.1785437244768E+17
Circumference 1393214541.0776

Square

Length = n
Perimeter 886947924
Area 49167288742994361
Diagonal 313583445.80987

Cube

Length = n
Surface area 295003732457966166
Volume 1.0902206169827E+25
Space diagonal 384059717.00893

Equilateral Triangle

Length = n
Perimeter 665210943
Area 2.1290060543319E+16
Altitude 192029858.50447

Triangular Pyramid

Length = n
Surface area 2.1290060543319E+16
Volume 1.2848373187631E+24
Height 104527815.26996