20147840 (number)

20147840 is an even 8-digits composite number following 20147839 and preceding 20147841. In scientific notation, it is written as 2.0147840 × 10^7. The sum of its digits is 26. It has a total of 9 prime factors and 32 positive divisors. There are 8058880 positive integers (up to 20147840) that are relatively prime to 20147840.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-seven thousand eight hundred forty

Notation

Scientific notation 2.0147840 × 10^7
Engineering notation 2.0147840 × 10^6

Prime Factorization of 20147840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31481

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 314810
Product of the distinct prime numbers

The prime factorization of 20147840 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31481. Since it has a total of 9 prime factors.

Most popular turbo-numbers

9, 8, 54, 18, 875, 340, 4645, 5234, 32382, 24371, 438236, 982933, 7730004, 2998177, 38798242, 91393877, 219117797, 95927287, 7149884756, 1373799660

Basic calculations (n = 20147840)

Multiplication

n×y
n×2 40295680
n×3 60443520
n×4 80591360
n×5 100739200

Division

n÷y
n÷2 10073920
n÷3 6715946.6666667
n÷3 5036960
n÷5 4029568

Exponentiation

ny
n2 405935456665600
n3 8.1787226312254E+21
n4 1.6478359497831E+29
n5 3.3200335062478E+36

Nth Root

y√n
2√n 4488.6345362482
3√n 272.10895289157
4√n 66.997272603056
5√n 28.89653029506

Divisors of 20147840

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31481, 62962, 125924, 157405, 251848, 314810, 503696, 629620, 1007392, 1259240, 2014784, 2518480, 4029568, 5036960, 10073920, 20147840

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20147839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20147840 can be divided by 32 positive divisors. The sum of these divisors (counting 20147840) is 1, the average is 0.03125.

Base conversion 20147840

Base System Value
2 Binary 1001100110110111010000000
3 Ternary 1101220121122022
4 Quaternary 1030312322000
5 Quinary 20124212330
6 Senary 1555501012
8 Octal 114667200
10 Decimal 20147840
12 Duodecimal 68b7768
16 Hexadecimal 1336e80
20 Vigesimal 65i9c0
36 Base36 bzu68

Cryptographic Hash Functions

md5 eb71a95f556bfe8a3539c8f75cbcf819
sha1 59eeb57c8c0c032a696ee50c9438f7c1638c27a9
sha256 2d003edef8a3cdd5eb5bcf7daf729bf5fcf8cb88dd55b408d35fb7184c2ef9a7
sha512 fa9fe69fa48c3c616df9a4b889485bbd07b4878466c0e99c98128df770e072a61b3985e307ecfa6c19ce190229981bfd09455ef5d48938fdc8b89a56358c339e
ripemd-160 d56fe7d4ea0ed832a6a69ab01d8e20309b7714b3

20147840 as geometric shapes

Circle

Radius = n
Diameter 40295680
Circumference 126592612.25941
Area 1.2752838484923E+15

Sphere

Radius = n
Volume 3.4258953245342E+22
Surface area 5.1011353939691E+15
Circumference 126592612.25941

Square

Length = n
Perimeter 80591360
Area 405935456665600
Diagonal 28493348.580523

Cube

Length = n
Surface area 2435612739993600
Volume 8.1787226312254E+21
Space diagonal 34897082.542769

Equilateral Triangle

Length = n
Perimeter 60443520
Area 1.7577520888462E+14
Altitude 17448541.271384

Triangular Pyramid

Length = n
Surface area 1.7577520888462E+14
Volume 9.638717056639E+20
Height 9497782.8601744