20081640 (number)

20081640 is an even 8-digits composite number following 20081639 and preceding 20081641. In scientific notation, it is written as 2.0081640 × 10^7. The sum of its digits is 21. It has a total of 7 prime factors and 64 positive divisors. There are 5277440 positive integers (up to 20081640) that are relatively prime to 20081640.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand six hundred forty

Notation

Scientific notation 2.0081640 × 10^7
Engineering notation 2.0081640 × 10^6

Prime Factorization of 20081640

Prime Factorization 2 × 2 × 2 × 5 × 3 × 71 × 2357

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5020410
Product of the distinct prime numbers

The prime factorization of 20081640 is 2 × 2 × 2 × 5 × 3 × 71 × 2357. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 5, 86, 82, 161, 298, 2298, 4889, 45772, 22705, 227469, 618519, 8855963, 5602227, 70322504, 78415422, 486315455, 678760813, 8623685479, 8603427109

Basic calculations (n = 20081640)

Multiplication

n×y
n×2 40163280
n×3 60244920
n×4 80326560
n×5 100408200

Division

n÷y
n÷2 10040820
n÷3 6693880
n÷3 5020410
n÷5 4016328

Exponentiation

ny
n2 403272265089600
n3 8.0983684495139E+21
n4 1.626285197905E+29
n5 3.2658473881656E+36

Nth Root

y√n
2√n 4481.2542887009
3√n 271.81060200209
4√n 66.942171227866
5√n 28.877516153246

Divisors of 20081640

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2357, 2840, 4260, 4714, 7071, 8520, 9428, 11785, 14142, 18856, 23570, 28284, 35355, 47140, 56568, 70710, 94280, 141420, 167347, 282840, 334694, 502041, 669388, 836735, 1004082, 1338776, 1673470, 2008164, 2510205, 3346940, 4016328, 5020410, 6693880, 10040820, 20081640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081640 can be divided by 64 positive divisors. The sum of these divisors (counting 20081640) is 1, the average is 0.015625.

Base conversion 20081640

Base System Value
2 Binary 1001100100110101111101000
3 Ternary 1101210020211110
4 Quaternary 1030212233220
5 Quinary 20120103030
6 Senary 1554230320
8 Octal 114465750
10 Decimal 20081640
12 Duodecimal 68853a0
16 Hexadecimal 1326be8
20 Vigesimal 65a420
36 Base36 byf3c

Cryptographic Hash Functions

md5 3d65b83fcba2100d6198c8a8bc849e39
sha1 7ab97c502abbf249b5bab4f3212fe7276e299151
sha256 7e9bd3c28d1c057980c26a65d1f38be17997040c4c9623f282eb8c8dcd18facc
sha512 35f3f60979b0ecf232bf2a093f34d21a1b3afcb4d4550f065952e5e19ac5654e51d841010ede76ee987e8a97e9159e4bb5236f4f006adb187d4e331265092e2c
ripemd-160 eef5a8a7d6fec25743601f46b53ec89332eb9956

20081640 as geometric shapes

Circle

Radius = n
Diameter 40163280
Circumference 126176665.39207
Area 1.266917185402E+15

Sphere

Radius = n
Volume 3.3922366436075E+22
Surface area 5.067668741608E+15
Circumference 126176665.39207

Square

Length = n
Perimeter 80326560
Area 403272265089600
Diagonal 28399727.642694

Cube

Length = n
Surface area 2419633590537600
Volume 8.0983684495139E+21
Space diagonal 34782420.779307

Equilateral Triangle

Length = n
Perimeter 60244920
Area 1.7462201310464E+14
Altitude 17391210.389654

Triangular Pyramid

Length = n
Surface area 1.7462201310464E+14
Volume 9.5440187453308E+20
Height 9466575.880898