20451620 (number)

20451620 is an even 8-digits composite number following 20451619 and preceding 20451621. In scientific notation, it is written as 2.0451620 × 10^7. The sum of its digits is 20. It has a total of 7 prime factors and 72 positive divisors. There are 6827520 positive integers (up to 20451620) that are relatively prime to 20451620.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand six hundred twenty

Notation

Scientific notation 2.0451620 × 10^7
Engineering notation 2.0451620 × 10^6

Prime Factorization of 20451620

Prime Factorization 2 × 2 × 5 × 7 × 7 × 41 × 509

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1460830
Product of the distinct prime numbers

The prime factorization of 20451620 is 2 × 2 × 5 × 7 × 7 × 41 × 509. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 7, 82, 16, 974, 694, 1113, 5404, 53049, 56752, 495941, 839256, 8112064, 7803821, 86730093, 99589841, 514503290, 634381629, 3153761148, 946663290

Basic calculations (n = 20451620)

Multiplication

n×y
n×2 40903240
n×3 61354860
n×4 81806480
n×5 102258100

Division

n÷y
n÷2 10225810
n÷3 6817206.6666667
n÷3 5112905
n÷5 4090324

Exponentiation

ny
n2 418268760624400
n3 8.5542737501612E+21
n4 1.7494875611427E+29
n5 3.5779854795218E+36

Nth Root

y√n
2√n 4522.3467359326
3√n 273.46971513775
4√n 67.248395787056
5√n 28.983147227649

Divisors of 20451620

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 509, 574, 820, 980, 1018, 1148, 1435, 2009, 2036, 2545, 2870, 3563, 4018, 5090, 5740, 7126, 8036, 10045, 10180, 14252, 17815, 20090, 20869, 24941, 35630, 40180, 41738, 49882, 71260, 83476, 99764, 104345, 124705, 146083, 208690, 249410, 292166, 417380, 498820, 584332, 730415, 1022581, 1460830, 2045162, 2921660, 4090324, 5112905, 10225810, 20451620

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20451619
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451620 can be divided by 72 positive divisors. The sum of these divisors (counting 20451620) is 1, the average is 0.013888888888889.

Base conversion 20451620

Base System Value
2 Binary 1001110000001000100100100
3 Ternary 1102111001100102
4 Quaternary 1032001010210
5 Quinary 20213422440
6 Senary 2010203232
8 Octal 116010444
10 Decimal 20451620
12 Duodecimal 6a23518
16 Hexadecimal 1381124
20 Vigesimal 67g910
36 Base36 c6ckk

Cryptographic Hash Functions

md5 86a64afc97fbf58092030d95e7fd6377
sha1 0f89147e374ca7ba5f8d1f6aa2b56d5460610ab8
sha256 3ae998b3b69d5536599a44c2ccbde28f36c83317023b324a27ab85f9cf79d8d8
sha512 017e7f857b5fa68379d10d5173c184769b2c3bcad553dde05bf4c9f6f007e288574e42f57f4bac8414bd25b13d2ba5bb0ea843791e628f7b2f6e943bf4ce13f9
ripemd-160 84024fa94a11b6718d99da7676845b139a577879

20451620 as geometric shapes

Circle

Radius = n
Diameter 40903240
Circumference 128501318.29202
Area 1.3140300656037E+15

Sphere

Radius = n
Volume 3.5832058093737E+22
Surface area 5.2561202624149E+15
Circumference 128501318.29202

Square

Length = n
Perimeter 81806480
Area 418268760624400
Diagonal 28922958.376501

Cube

Length = n
Surface area 2509612563746400
Volume 8.5542737501612E+21
Space diagonal 35423244.937092

Equilateral Triangle

Length = n
Perimeter 61354860
Area 1.8111568615508E+14
Altitude 17711622.468546

Triangular Pyramid

Length = n
Surface area 1.8111568615508E+14
Volume 1.0081308294775E+21
Height 9640986.1255003