20001555 (number)

20001555 is an odd 8-digits composite number following 20001554 and preceding 20001556. In scientific notation, it is written as 2.0001555 × 10^7. The sum of its digits is 18. It has a total of 6 prime factors and 56 positive divisors. There are 8902656 positive integers (up to 20001555) that are relatively prime to 20001555.

Interesting facts

Basic properties

Name

Name twenty million one thousand five hundred fifty-five

Notation

Scientific notation 2.0001555 × 10^7
Engineering notation 2.0001555 × 10^6

Prime Factorization of 20001555

Prime Factorization 5 × 7 × 3 × 21 × 47 × 193

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20001555
Product of the distinct prime numbers

The prime factorization of 20001555 is 5 × 7 × 3 × 21 × 47 × 193. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 5, 67, 9, 957, 751, 807, 427, 32990, 99014, 912060, 860007, 1834691, 9300000, 75639648, 57925625, 279626592, 31629776, 1856735277, 2656990348

Basic calculations (n = 20001555)

Multiplication

n×y
n×2 40003110
n×3 60004665
n×4 80006220
n×5 100007775

Division

n÷y
n÷2 10000777.5
n÷3 6667185
n÷3 5000388.75
n÷5 4000311

Exponentiation

ny
n2 400062202418025
n3 8.0018661450853E+21
n4 1.6004976580356E+29
n5 3.201244193457E+36

Nth Root

y√n
2√n 4472.3098059057
3√n 271.44879634283
4√n 66.875330323713
5√n 28.854446783862

Divisors of 20001555

1, 3, 5, 7, 15, 21, 35, 47, 63, 105, 141, 147, 193, 235, 315, 329, 441, 579, 705, 735, 965, 987, 1351, 1645, 2205, 2895, 2961, 4053, 4935, 6755, 6909, 9071, 12159, 14805, 20265, 20727, 27213, 28371, 34545, 45355, 60795, 63497, 85113, 103635, 136065, 141855, 190491, 317485, 425565, 571473, 952455, 1333437, 2857365, 4000311, 6667185, 20001555

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20001554
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001555 can be divided by 56 positive divisors. The sum of these divisors (counting 20001555) is 1, the average is 0.017857142857143.

Base conversion 20001555

Base System Value
2 Binary 1001100010011001100010011
3 Ternary 1101122011222100
4 Quaternary 1030103030103
5 Quinary 20110022210
6 Senary 1552411443
8 Octal 114231423
10 Decimal 20001555
12 Duodecimal 6846b83
16 Hexadecimal 1313313
20 Vigesimal 6503hf
36 Base36 bwpar

Cryptographic Hash Functions

md5 299f27a35b4d80cc2e04ca423f6b930d
sha1 d0308aba5259dc54e169fd5fbb31ee356441a3af
sha256 4742e41091147ffcf3a818193a14467991988d98710d7dbd7d4cf414e983ffc7
sha512 c4be1d0adbf2c8bb2f4eea0cdbb78c7f64b0332c0750a85edd5e1a0949d54556806458149a52dd965e34d547c1f8208c7546cd6e8ce9771847afad95f5afd645
ripemd-160 ddc1ac360cbd668a05cf4735e1ec9423f9d49d66

20001555 as geometric shapes

Circle

Radius = n
Diameter 40003110
Circumference 125673476.49674
Area 1.2568324760954E+15

Sphere

Radius = n
Volume 3.3518138528545E+22
Surface area 5.0273299043817E+15
Circumference 125673476.49674

Square

Length = n
Perimeter 80006220
Area 400062202418025
Diagonal 28286470.349551

Cube

Length = n
Surface area 2400373214508150
Volume 8.0018661450853E+21
Space diagonal 34643709.490383

Equilateral Triangle

Length = n
Perimeter 60004665
Area 1.7323201519398E+14
Altitude 17321854.745192

Triangular Pyramid

Length = n
Surface area 1.7323201519398E+14
Volume 9.4302896888947E+20
Height 9428823.4498505