221512985 (number)

221512985 is an odd 9-digits composite number following 221512984 and preceding 221512986. In scientific notation, it is written as 2.21512985 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 177210384 positive integers (up to 221512985) that are relatively prime to 221512985.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million five hundred twelve thousand nine hundred eighty-five

Notation

Scientific notation 2.21512985 × 10^8
Engineering notation 2.21512985 × 10^6

Prime Factorization of 221512985

Prime Factorization 5 × 44302597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221512985
Product of the distinct prime numbers

The prime factorization of 221512985 is 5 × 44302597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221512985)

Multiplication

n×y
n×2 443025970
n×3 664538955
n×4 886051940
n×5 1107564925

Division

n÷y
n÷2 110756492.5
n÷3 73837661.666667
n÷3 55378246.25
n÷5 44302597

Exponentiation

ny
n2 49068002523610225
n3 1.0869199706992E+25
n4 2.407668871657E+33
n5 5.3332991865233E+41

Nth Root

y√n
2√n 14883.312299351
3√n 605.06179274591
4√n 121.99718152216
5√n 46.674517584789

Divisors of 221512985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221512984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221512985 can be divided by 4 positive divisors. The sum of these divisors (counting 221512985) is 1, the average is 0.25.

Base conversion 221512985

Base System Value
2 Binary 1101001101000000010100011001
3 Ternary 120102211000200122
4 Quaternary 31031000110121
5 Quinary 423201403420
6 Senary 33551443025
8 Octal 1515002431
10 Decimal 221512985
12 Duodecimal 62226475
16 Hexadecimal d340519
20 Vigesimal 3949295
36 Base36 3nvsih

Cryptographic Hash Functions

md5 ef24056daa544b9d3c79aa1cfce66e2a
sha1 81291eb3fa4098feba66c1c0d796c04c56019e33
sha256 11b2481f371d6c3ace8b2e5bd7147ee369ff2c208ccb9a2a2e93f11d67313380
sha512 2ec19a89956b219c49892f38d441c9d0d77183256933b87b784e4bdc2bdb11d098703a59eed25a5660055a27d7a7a81b21d181e606f1bba231a4c9781d0f056d
ripemd-160 dc246fc6c3c913411a972d2a209c5dd98467277a

221512985 as geometric shapes

Circle

Radius = n
Diameter 443025970
Circumference 1391807132.7015
Area 1.541516762545E+17

Sphere

Radius = n
Volume 4.5528797266517E+25
Surface area 6.16606705018E+17
Circumference 1391807132.7015

Square

Length = n
Perimeter 886051940
Area 49068002523610225
Diagonal 313266667.62875

Cube

Length = n
Surface area 294408015141661350
Volume 1.0869199706992E+25
Space diagonal 383671744.55624

Equilateral Triangle

Length = n
Perimeter 664538955
Area 2.1247068349203E+16
Altitude 191835872.27812

Triangular Pyramid

Length = n
Surface area 2.1247068349203E+16
Volume 1.2809474698142E+24
Height 104422222.54292