42021915 (number)

42021915 is an odd 8-digits composite number following 42021914 and preceding 42021916. In scientific notation, it is written as 4.2021915 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 20687616 positive integers (up to 42021915) that are relatively prime to 42021915.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 4.2021915 × 10^7
Engineering notation 4.2021915 × 10^6

Prime Factorization of 42021915

Prime Factorization 15 × 13 × 215497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 42021915
Product of the distinct prime numbers

The prime factorization of 42021915 is 15 × 13 × 215497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 42021915)

Multiplication

n×y
n×2 84043830
n×3 126065745
n×4 168087660
n×5 210109575

Division

n÷y
n÷2 21010957.5
n÷3 14007305
n÷3 10505478.75
n÷5 8404383

Exponentiation

ny
n2 1765841340267225
n3 7.4204034704195E+22
n4 3.1181956389967E+30
n5 1.3103255209529E+38

Nth Root

y√n
2√n 6482.4312568665
3√n 347.66311201117
4√n 80.513547039405
5√n 33.473040886043

Divisors of 42021915

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 -42021914
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 42021915 can be divided by 8 positive divisors. The sum of these divisors (counting 42021915) is 1, the average is 0.125.

Base conversion 42021915

Base System Value
2 Binary 10100000010011010000011011
3 Ternary 2221001221020020
4 Quaternary 2200103100123
5 Quinary 41224200130
6 Senary 4100401523
8 Octal 240232033
10 Decimal 42021915
12 Duodecimal 120a62a3
16 Hexadecimal 281341b
20 Vigesimal d2ceff
36 Base36 p0obf

Cryptographic Hash Functions

md5 9be229897bd8c6120ed404a4ae97a78d
sha1 edf3b0d898930a9db1dcea00aa8568dbe106554f
sha256 5621dbf34a6c808b3516b3dde1c5685991a65c1ae67bb5b7817fc12f4b8d83e9
sha512 8929d0a2387e8cb949f0a317a4b8a3a59723b00eb064b8f37c7852de734d87f7658ea7b46a392c9e383a9da5cf68a1286c190a74708756d49ebd92ed6fbb808a
ripemd-160 dbcf624288c9fd665f532e97f0e0d6e6beabd591

42021915 as geometric shapes

Circle

Radius = n
Diameter 84043830
Circumference 264031478.90755
Area 5.5475541819887E+15

Sphere

Radius = n
Volume 3.1082513372456E+23
Surface area 2.2190216727955E+16
Circumference 264031478.90755

Square

Length = n
Perimeter 168087660
Area 1765841340267225
Diagonal 59427962.109889

Cube

Length = n
Surface area 10595048041603350
Volume 7.4204034704195E+22
Space diagonal 72784091.811341

Equilateral Triangle

Length = n
Perimeter 126065745
Area 7.6463172986209E+14
Altitude 36392045.90567

Triangular Pyramid

Length = n
Surface area 7.6463172986209E+14
Volume 8.7450293551231E+21
Height 19809320.703296