18821091 (number)

18821091 is an odd 8-digits composite number following 18821090 and preceding 18821092. In scientific notation, it is written as 1.8821091 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 11520000 positive integers (up to 18821091) that are relatively prime to 18821091.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred twenty-one thousand ninety-one

Notation

Scientific notation 1.8821091 × 10^7
Engineering notation 1.8821091 × 10^6

Prime Factorization of 18821091

Prime Factorization 3 × 17 × 41 × 9001

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18821091
Product of the distinct prime numbers

The prime factorization of 18821091 is 3 × 17 × 41 × 9001. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 16, 25, 872, 281, 7511, 2305, 64565, 53096, 261073, 969857, 5468112, 2902644, 67537710, 73246872, 100235461, 313000052, 5133708270, 909577700

Basic calculations (n = 18821091)

Multiplication

n×y
n×2 37642182
n×3 56463273
n×4 75284364
n×5 94105455

Division

n÷y
n÷2 9410545.5
n÷3 6273697
n÷3 4705272.75
n÷5 3764218.2

Exponentiation

ny
n2 354233466430281
n3 6.6670603069298E+21
n4 1.2548134873921E+29
n5 2.3616958834235E+36

Nth Root

y√n
2√n 4338.328134201
3√n 265.99997644487
4√n 65.865986170413
5√n 28.505519412968

Divisors of 18821091

1, 3, 17, 41, 51, 123, 697, 2091, 9001, 27003, 153017, 369041, 459051, 1107123, 6273697, 18821091

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18821090
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18821091 can be divided by 16 positive divisors. The sum of these divisors (counting 18821091) is 1, the average is 0.0625.

Base conversion 18821091

Base System Value
2 Binary 1000111110010111111100011
3 Ternary 1022102012200110
4 Quaternary 1013302333203
5 Quinary 14304233331
6 Senary 1511222403
8 Octal 107627743
10 Decimal 18821091
12 Duodecimal 6377a03
16 Hexadecimal 11f2fe3
20 Vigesimal 5hcceb
36 Base36 b7eg3

Cryptographic Hash Functions

md5 c34e0a2e885c651d72e2678caadd35f2
sha1 a44dc9bda714214b510a64160e1aadc08771a654
sha256 7213a9af3de929fa70094230b5ca6bcde38b6b522b71250a5c184943230a3b61
sha512 ee880fd3a197a923e7edb067e89656c4e04221f36ed01719fe846b2c482fea7373868ed8c92a43ae98817d3740ce608b8e0cfcecaff32c31bce9740f7a34ebfc
ripemd-160 5ce24532a157affc86b3e1999c25f6eb2b2b0291

18821091 as geometric shapes

Circle

Radius = n
Diameter 37642182
Circumference 118256402.43629
Area 1.112857255793E+15

Sphere

Radius = n
Volume 2.7926916908388E+22
Surface area 4.4514290231721E+15
Circumference 118256402.43629

Square

Length = n
Perimeter 75284364
Area 354233466430281
Diagonal 26617042.150858

Cube

Length = n
Surface area 2125400798581686
Volume 6.6670603069298E+21
Space diagonal 32599085.865877

Equilateral Triangle

Length = n
Perimeter 56463273
Area 1.5338759039962E+14
Altitude 16299542.932939

Triangular Pyramid

Length = n
Surface area 1.5338759039962E+14
Volume 7.8572059226828E+20
Height 8872347.3836194