215842021 (number)

215842021 is an odd 9-digits composite number following 215842020 and preceding 215842022. In scientific notation, it is written as 2.15842021 × 10^8. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 215774944 positive integers (up to 215842021) that are relatively prime to 215842021.

Interesting facts

Basic properties

Name

Name two hundred fifteen million eight hundred forty-two thousand twenty-one

Notation

Scientific notation 2.15842021 × 10^8
Engineering notation 2.15842021 × 10^6

Prime Factorization of 215842021

Prime Factorization 3389 × 63689

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 215842021
Product of the distinct prime numbers

The prime factorization of 215842021 is 3389 × 63689. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 215842021)

Multiplication

n×y
n×2 431684042
n×3 647526063
n×4 863368084
n×5 1079210105

Division

n÷y
n÷2 107921010.5
n÷3 71947340.333333
n÷3 53960505.25
n÷5 43168404.2

Exponentiation

ny
n2 46587778029364441
n3 1.0055600163757E+25
n4 2.1704210617133E+33
n5 4.6846806838117E+41

Nth Root

y√n
2√n 14691.5629189
3√n 599.85368747212
4√n 121.20875759985
5√n 46.433048727673

Divisors of 215842021

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 -215842020
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 215842021 can be divided by 4 positive divisors. The sum of these divisors (counting 215842021) is 1, the average is 0.25.

Base conversion 215842021

Base System Value
2 Binary 1100110111010111110011100101
3 Ternary 120001010220120221
4 Quaternary 30313113303211
5 Quinary 420223421041
6 Senary 33230124341
8 Octal 1467276345
10 Decimal 215842021
12 Duodecimal 603506b1
16 Hexadecimal cdd7ce5
20 Vigesimal 3790511
36 Base36 3ki8rp

Cryptographic Hash Functions

md5 feb6629684aa06804d6bcf6498308b78
sha1 39177f9598eb3028a64600f3b4317b0ebf2b2b60
sha256 7df8f6500148689c6d7d74e7d59ee0967733c0098e5dbd2957653a0b404b2663
sha512 bcee7fe55fe8c116d1ba7b18aa1da16cd4580e7b11a98dd3bd44f2c8d4953e703191d16ad3e9682eab805286a652cca3035dc0120a915395977febf8e67b7f8e
ripemd-160 273260958fc69f40a002a1b5470a2982b47e8395

215842021 as geometric shapes

Circle

Radius = n
Diameter 431684042
Circumference 1356175415.0191
Area 1.4635982120412E+17

Sphere

Radius = n
Volume 4.2120799469195E+25
Surface area 5.8543928481649E+17
Circumference 1356175415.0191

Square

Length = n
Perimeter 863368084
Area 46587778029364441
Diagonal 305246713.42822

Cube

Length = n
Surface area 279526668176186646
Volume 1.0055600163757E+25
Space diagonal 373849346.78035

Equilateral Triangle

Length = n
Perimeter 647526063
Area 2.017309963965E+16
Altitude 186924673.39017

Triangular Pyramid

Length = n
Surface area 2.017309963965E+16
Volume 1.1850638441156E+24
Height 101748904.47607