20121556 (number)

20121556 is an even 8-digits composite number following 20121555 and preceding 20121557. In scientific notation, it is written as 2.0121556 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 72 positive divisors. There are 7757568 positive integers (up to 20121556) that are relatively prime to 20121556.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121556 × 10^7
Engineering notation 2.0121556 × 10^6

Prime Factorization of 20121556

Prime Factorization 2 × 2 × 13 × 7 × 7 × 53 × 149

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1437254
Product of the distinct prime numbers

The prime factorization of 20121556 is 2 × 2 × 13 × 7 × 7 × 53 × 149. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 6, 72, 84, 684, 634, 1596, 3429, 55194, 97304, 435215, 516026, 8167052, 9141125, 11028720, 10023773, 871453225, 268035125, 7214336688, 587666648

Basic calculations (n = 20121556)

Multiplication

n×y
n×2 40243112
n×3 60364668
n×4 80486224
n×5 100607780

Division

n÷y
n÷2 10060778
n÷3 6707185.3333333
n÷3 5030389
n÷5 4024311.2

Exponentiation

ny
n2 404877015861136
n3 8.1467555477627E+21
n4 1.6392539797262E+29
n5 3.2984340751283E+36

Nth Root

y√n
2√n 4485.7057415751
3√n 271.990574212
4√n 66.975411469995
5√n 28.888986925193

Divisors of 20121556

1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 53, 91, 98, 106, 149, 182, 196, 212, 298, 364, 371, 596, 637, 689, 742, 1043, 1274, 1378, 1484, 1937, 2086, 2548, 2597, 2756, 3874, 4172, 4823, 5194, 7301, 7748, 7897, 9646, 10388, 13559, 14602, 15794, 19292, 27118, 29204, 31588, 33761, 54236, 55279, 67522, 94913, 102661, 110558, 135044, 189826, 205322, 221116, 379652, 386953, 410644, 718627, 773906, 1437254, 1547812, 2874508, 5030389, 10060778, 20121556

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 -20121555
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 20121556 can be divided by 72 positive divisors. The sum of these divisors (counting 20121556) is 1, the average is 0.013888888888889.

Base conversion 20121556

Base System Value
2 Binary 1001100110000011111010100
3 Ternary 1101212021120211
4 Quaternary 1030300133110
5 Quinary 20122342211
6 Senary 1555135204
8 Octal 114603724
10 Decimal 20121556
12 Duodecimal 68a4504
16 Hexadecimal 13307d4
20 Vigesimal 65f3hg
36 Base36 bz9w4

Cryptographic Hash Functions

md5 0a84a784bbce4b6537ba63496d63fb8e
sha1 73d8c6bce4d1e39c0c1516ae25bed077f8318023
sha256 6cef272d1467a1d34eb6e6073aad95b7fa4754b3d1a02bd87197297baecec75b
sha512 29cecc7dd11e7fb8bb88fe3fbc3981fa9cf7253b1343f11bf9342c09497a09313536ec97a2855597e75ad5cd4a5e6ca1487b0b5fe332086917ab8b682edc7852
ripemd-160 8a3f4a96958e90cb437e47e026d39d80b3f7359c

20121556 as geometric shapes

Circle

Radius = n
Diameter 40243112
Circumference 126427465.01679
Area 1.2719586586367E+15

Sphere

Radius = n
Volume 3.4125049839258E+22
Surface area 5.0878346345468E+15
Circumference 126427465.01679

Square

Length = n
Perimeter 80486224
Area 404877015861136
Diagonal 28456177.39125

Cube

Length = n
Surface area 2429262095166816
Volume 8.1467555477627E+21
Space diagonal 34851557.319342

Equilateral Triangle

Length = n
Perimeter 60364668
Area 1.7531689057209E+14
Altitude 17425778.659671

Triangular Pyramid

Length = n
Surface area 1.7531689057209E+14
Volume 9.6010434874869E+20
Height 9485392.4637499