42421981 (number)

42421981 is an odd 8-digits composite number following 42421980 and preceding 42421982. In scientific notation, it is written as 4.2421981 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 35188560 positive integers (up to 42421981) that are relatively prime to 42421981.

Interesting facts

Basic properties

Name

Name forty-two million four hundred twenty-one thousand nine hundred eighty-one

Notation

Scientific notation 4.2421981 × 10^7
Engineering notation 4.2421981 × 10^6

Prime Factorization of 42421981

Prime Factorization 217 × 195493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 42421981
Product of the distinct prime numbers

The prime factorization of 42421981 is 217 × 195493. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 57, 42, 419, 180, 7628, 8382, 37707, 63515, 108984, 246067, 2835916, 2672840, 80376394, 30294900, 291447046, 145341629, 6487164828, 8365038619

Basic calculations (n = 42421981)

Multiplication

n×y
n×2 84843962
n×3 127265943
n×4 169687924
n×5 212109905

Division

n÷y
n÷2 21210990.5
n÷3 14140660.333333
n÷3 10605495.25
n÷5 8484396.2

Exponentiation

ny
n2 1799624471964361
n3 7.6343635156807E+22
n4 3.238648240093E+30
n5 1.3738987410691E+38

Nth Root

y√n
2√n 6513.2158723629
3√n 348.76292796892
4√n 80.704497225142
5√n 33.536534985211

Divisors of 42421981

1, 217, 195493, 42421981

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 -42421980
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 42421981 can be divided by 4 positive divisors. The sum of these divisors (counting 42421981) is 1, the average is 0.25.

Base conversion 42421981

Base System Value
2 Binary 10100001110100111011011101
3 Ternary 2221211021000111
4 Quaternary 2201310323131
5 Quinary 41330000411
6 Senary 4113130021
8 Octal 241647335
10 Decimal 42421981
12 Duodecimal 12259911
16 Hexadecimal 2874edd
20 Vigesimal d52ej1
36 Base36 p990d

Cryptographic Hash Functions

md5 271ff1e1390c30dcc1d614edc541c059
sha1 f7437106f0b91e65625a38ed273c16d5db36a24f
sha256 67239e53dc51e4283a4d55020f3fa5a65ecf5f3177c22c08013e7cc219b2ee5a
sha512 ed299265444d6ccce53815bca65e8b460414980e5006c128730018f6bc99d8e2aa567dca6d869d6e3c6dd5579d433cc217aaf21610c0ecda575072f3d360ec37
ripemd-160 1fd9988c58b8f66bd228a3a1b86f576c07abec24

42421981 as geometric shapes

Circle

Radius = n
Diameter 84843962
Circumference 266545167.72065
Area 5.6536870203436E+15

Sphere

Radius = n
Volume 3.1978747114262E+23
Surface area 2.2614748081375E+16
Circumference 266545167.72065

Square

Length = n
Perimeter 169687924
Area 1799624471964361
Diagonal 59993740.872934

Cube

Length = n
Surface area 10797746831786166
Volume 7.6343635156807E+22
Space diagonal 73477026.449722

Equilateral Triangle

Length = n
Perimeter 127265943
Area 7.7926025499665E+14
Altitude 36738513.224861

Triangular Pyramid

Length = n
Surface area 7.7926025499665E+14
Volume 8.997183686635E+21
Height 19997913.624311