20101487 (number)

20101487 is an odd 8-digits composite number following 20101486 and preceding 20101488. In scientific notation, it is written as 2.0101487 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 16238880 positive integers (up to 20101487) that are relatively prime to 20101487.

Interesting facts

Basic properties

Name

Name twenty million one hundred one thousand four hundred eighty-seven

Notation

Scientific notation 2.0101487 × 10^7
Engineering notation 2.0101487 × 10^6

Prime Factorization of 20101487

Prime Factorization 7 × 19 × 359 × 421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20101487
Product of the distinct prime numbers

The prime factorization of 20101487 is 7 × 19 × 359 × 421. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 30, 16, 723, 899, 3911, 9966, 84956, 21986, 720831, 243159, 4369761, 9617486, 49204658, 89259852, 131322559, 890357187, 1810184233, 6102226546

Basic calculations (n = 20101487)

Multiplication

n×y
n×2 40202974
n×3 60304461
n×4 80405948
n×5 100507435

Division

n÷y
n÷2 10050743.5
n÷3 6700495.6666667
n÷3 5025371.75
n÷5 4020297.4

Exponentiation

ny
n2 404069779611169
n3 8.1224034219468E+21
n4 1.6327238679502E+29
n5 3.282017760619E+36

Nth Root

y√n
2√n 4483.4681888021
3√n 271.90011741344
4√n 66.958705100995
5√n 28.883221918544

Divisors of 20101487

1, 7, 19, 133, 359, 421, 2513, 2947, 6821, 7999, 47747, 55993, 151139, 1057973, 2871641, 20101487

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 -20101486
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 20101487 can be divided by 16 positive divisors. The sum of these divisors (counting 20101487) is 1, the average is 0.0625.

Base conversion 20101487

Base System Value
2 Binary 1001100101011100101101111
3 Ternary 1101211021001112
4 Quaternary 1030223211233
5 Quinary 20121221422
6 Senary 1554502235
8 Octal 114534557
10 Decimal 20101487
12 Duodecimal 689497b
16 Hexadecimal 132b96f
20 Vigesimal 65cde7
36 Base36 byuen

Cryptographic Hash Functions

md5 bc1ecfab365d208d52406b5de2cbfb6b
sha1 f44a015602e3b5186c44451e2aa63ff193372d44
sha256 8c49969b90c16722e6c6e7634ddc90df55d6c76f64d8375e4b7532696f9e30a0
sha512 33fa8d2a1161e5574b09d5593cf5028d1c59188b2349810e8793e25c66c07bd2f059a5bafe6ab245c4f67bf50a269da74c35c0cb6c2eeba855fbb0d7f8cc26ce
ripemd-160 5a11523a6d800b875783fa4d14841b9b0ef33ebd

20101487 as geometric shapes

Circle

Radius = n
Diameter 40202974
Circumference 126301367.77086
Area 1.2694226511641E+15

Sphere

Radius = n
Volume 3.4023043893174E+22
Surface area 5.0776906046564E+15
Circumference 126301367.77086

Square

Length = n
Perimeter 80405948
Area 404069779611169
Diagonal 28427795.539266

Cube

Length = n
Surface area 2424418677667014
Volume 8.1224034219468E+21
Space diagonal 34816796.791685

Equilateral Triangle

Length = n
Perimeter 60304461
Area 1.7496734702243E+14
Altitude 17408398.395843

Triangular Pyramid

Length = n
Surface area 1.7496734702243E+14
Volume 9.5723442319856E+20
Height 9475931.8464222