20121680 (number)

20121680 is an even 8-digits composite number following 20121679 and preceding 20121681. In scientific notation, it is written as 2.0121680 × 10^7. The sum of its digits is 20. It has a total of 7 prime factors and 40 positive divisors. There are 7962624 positive integers (up to 20121680) that are relatively prime to 20121680.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred eighty

Notation

Scientific notation 2.0121680 × 10^7
Engineering notation 2.0121680 × 10^6

Prime Factorization of 20121680

Prime Factorization 2 × 2 × 2 × 2 × 5 × 97 × 2593

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2515210
Product of the distinct prime numbers

The prime factorization of 20121680 is 2 × 2 × 2 × 2 × 5 × 97 × 2593. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 6, 19, 30, 187, 710, 3938, 1395, 78468, 71186, 699964, 51253, 9513076, 620246, 47067684, 68788660, 243124206, 537461459, 4111754398, 3922747217

Basic calculations (n = 20121680)

Multiplication

n×y
n×2 40243360
n×3 60365040
n×4 80486720
n×5 100608400

Division

n÷y
n÷2 10060840
n÷3 6707226.6666667
n÷3 5030420
n÷5 4024336

Exponentiation

ny
n2 404882006022400
n3 8.1469061629408E+21
n4 1.6392943880072E+29
n5 3.2985357101277E+36

Nth Root

y√n
2√n 4485.7195632362
3√n 271.99113292893
4√n 66.975514654508
5√n 28.889022531043

Divisors of 20121680

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2593, 3880, 5186, 7760, 10372, 12965, 20744, 25930, 41488, 51860, 103720, 207440, 251521, 503042, 1006084, 1257605, 2012168, 2515210, 4024336, 5030420, 10060840, 20121680

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121680 can be divided by 40 positive divisors. The sum of these divisors (counting 20121680) is 1, the average is 0.025.

Base conversion 20121680

Base System Value
2 Binary 1001100110000100001010000
3 Ternary 1101212021202102
4 Quaternary 1030300201100
5 Quinary 20122343210
6 Senary 1555135532
8 Octal 114604120
10 Decimal 20121680
12 Duodecimal 68a45a8
16 Hexadecimal 1330850
20 Vigesimal 65f440
36 Base36 bz9zk

Cryptographic Hash Functions

md5 0405e34751f3c3ac3ec09ddbe7aaa622
sha1 acc240f85b4e7b30ea78225d221e1d635060bfde
sha256 7b569187c868dd24fe6bd55280e0dee47a9991f9034ff5f8209b5b3b3b96b84a
sha512 7c23b85966eb45d13ff26aa9f3738fd5cc188d99596f811e564ef64921feffd6c4e7ce541968ade4ed3bca7090dfa976af428026588b6c458b7660affa37e678
ripemd-160 dd5eae06a743d9fc3ff237993f5482e515de635a

20121680 as geometric shapes

Circle

Radius = n
Diameter 40243360
Circumference 126428244.13177
Area 1.2719743356907E+15

Sphere

Radius = n
Volume 3.412568073464E+22
Surface area 5.0878973427627E+15
Circumference 126428244.13177

Square

Length = n
Perimeter 80486720
Area 404882006022400
Diagonal 28456352.753731

Cube

Length = n
Surface area 2429292036134400
Volume 8.1469061629408E+21
Space diagonal 34851772.093643

Equilateral Triangle

Length = n
Perimeter 60365040
Area 1.753190513753E+14
Altitude 17425886.046821

Triangular Pyramid

Length = n
Surface area 1.753190513753E+14
Volume 9.6012209891765E+20
Height 9485450.9179105