20157640 (number)

20157640 is an even 8-digits composite number following 20157639 and preceding 20157641. In scientific notation, it is written as 2.0157640 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors. There are 7959744 positive integers (up to 20157640) that are relatively prime to 20157640.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand six hundred forty

Notation

Scientific notation 2.0157640 × 10^7
Engineering notation 2.0157640 × 10^6

Prime Factorization of 20157640

Prime Factorization 2 × 2 × 2 × 5 × 79 × 6379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5039410
Product of the distinct prime numbers

The prime factorization of 20157640 is 2 × 2 × 2 × 5 × 79 × 6379. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 3, 83, 35, 313, 719, 9591, 3362, 23802, 15313, 498279, 646696, 7902485, 5197766, 12001304, 69124767, 584491899, 57843016, 8460603727, 6112098130

Basic calculations (n = 20157640)

Multiplication

n×y
n×2 40315280
n×3 60472920
n×4 80630560
n×5 100788200

Division

n÷y
n÷2 10078820
n÷3 6719213.3333333
n÷3 5039410
n÷5 4031528

Exponentiation

ny
n2 406330450369600
n3 8.1906629395883E+21
n4 1.6510443489756E+29
n5 3.3281157610685E+36

Nth Root

y√n
2√n 4489.7260495491
3√n 272.15306407992
4√n 67.005418061147
5√n 28.899340828753

Divisors of 20157640

1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6379, 12758, 25516, 31895, 51032, 63790, 127580, 255160, 503941, 1007882, 2015764, 2519705, 4031528, 5039410, 10078820, 20157640

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 -20157639
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 20157640 can be divided by 32 positive divisors. The sum of these divisors (counting 20157640) is 1, the average is 0.03125.

Base conversion 20157640

Base System Value
2 Binary 1001100111001010011001000
3 Ternary 1101221010002021
4 Quaternary 1030321103020
5 Quinary 20130021030
6 Senary 2000014224
8 Octal 114712310
10 Decimal 20157640
12 Duodecimal 6901374
16 Hexadecimal 13394c8
20 Vigesimal 65je20
36 Base36 c01qg

Cryptographic Hash Functions

md5 41e65c4a524234c0d86b808e5e5ee238
sha1 22435b970ea05fa8f0187fa61210efd695222c6a
sha256 cb412a039c4a60a8cc1ac59d4bdf2da90084885a6fea63135093b7afda803361
sha512 825d84475e1cf218ae54d29915488c51c27ca7f7817c365cac45f41d7678644d5e8a5db3b3934ab2056c92ca2c8e803865a511889ad8b1411c4332fa3799982a
ripemd-160 b065c7140cc9bda0d8b4dd88d7b886a73da2b95e

20157640 as geometric shapes

Circle

Radius = n
Diameter 40315280
Circumference 126654187.47542
Area 1.276524757811E+15

Sphere

Radius = n
Volume 3.4308968692054E+22
Surface area 5.1060990312439E+15
Circumference 126654187.47542

Square

Length = n
Perimeter 80630560
Area 406330450369600
Diagonal 28507207.873434

Cube

Length = n
Surface area 2437982702217600
Volume 8.1906629395883E+21
Space diagonal 34914056.640683

Equilateral Triangle

Length = n
Perimeter 60472920
Area 1.7594624617562E+14
Altitude 17457028.320341

Triangular Pyramid

Length = n
Surface area 1.7594624617562E+14
Volume 9.6527888449937E+20
Height 9502402.6244781