20131881 (number)

20131881 is an odd 8-digits composite number following 20131880 and preceding 20131882. In scientific notation, it is written as 2.0131881 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 10458000 positive integers (up to 20131881) that are relatively prime to 20131881.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand eight hundred eighty-one

Notation

Scientific notation 2.0131881 × 10^7
Engineering notation 2.0131881 × 10^6

Prime Factorization of 20131881

Prime Factorization 3 × 7 × 11 × 87151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20131881
Product of the distinct prime numbers

The prime factorization of 20131881 is 3 × 7 × 11 × 87151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 86, 42, 794, 289, 5411, 2890, 68482, 67466, 242047, 958081, 952944, 8618958, 68288585, 78447630, 550774129, 62286647, 8584252505, 6323993949

Basic calculations (n = 20131881)

Multiplication

n×y
n×2 40263762
n×3 60395643
n×4 80527524
n×5 100659405

Division

n÷y
n÷2 10065940.5
n÷3 6710627
n÷3 5032970.25
n÷5 4026376.2

Exponentiation

ny
n2 405292632598161
n3 8.1593030496429E+21
n4 1.6426211803835E+29
n5 3.306905413156E+36

Nth Root

y√n
2√n 4486.8564719634
3√n 272.03708854839
4√n 66.984001612052
5√n 28.891951085483

Divisors of 20131881

1, 3, 7, 11, 21, 33, 77, 231, 87151, 261453, 610057, 958661, 1830171, 2875983, 6710627, 20131881

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131880
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131881 can be divided by 16 positive divisors. The sum of these divisors (counting 20131881) is 1, the average is 0.0625.

Base conversion 20131881

Base System Value
2 Binary 1001100110011000000101001
3 Ternary 1101212210202020
4 Quaternary 1030303000221
5 Quinary 20123210011
6 Senary 1555255053
8 Octal 114630051
10 Decimal 20131881
12 Duodecimal 68aa489
16 Hexadecimal 1333029
20 Vigesimal 65g9e1
36 Base36 bzhux

Cryptographic Hash Functions

md5 dc785e189528a2ea43408134bbb3f6e2
sha1 54c694548ae8705f874054a0a014937999c956ac
sha256 64e45d5b7300b6b0b237a63c53c1756932d6152b4464c397e4406e827fcfefd0
sha512 2e7ef14ba736c38c47f9f510c221e6c4625613cc988b1acbcc7832011d87257fd0079d6ff34ad3247e0cf69032255d217ea813c7151b97660be7fc02e669c71c
ripemd-160 cb946ca66f9cdb77b14ab9a8c70962e04dadc6b7

20131881 as geometric shapes

Circle

Radius = n
Diameter 40263762
Circumference 126492338.90509
Area 1.2732643571244E+15

Sphere

Radius = n
Volume 3.4177608692228E+22
Surface area 5.0930574284978E+15
Circumference 126492338.90509

Square

Length = n
Perimeter 80527524
Area 405292632598161
Diagonal 28470779.146281

Cube

Length = n
Surface area 2431755795588966
Volume 8.1593030496429E+21
Space diagonal 34869440.743931

Equilateral Triangle

Length = n
Perimeter 60395643
Area 1.7549685789834E+14
Altitude 17434720.371965

Triangular Pyramid

Length = n
Surface area 1.7549685789834E+14
Volume 9.6158308602643E+20
Height 9490259.7154271