30891421 (number)

30891421 is an odd 8-digits composite number following 30891420 and preceding 30891422. In scientific notation, it is written as 3.0891421 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 27547520 positive integers (up to 30891421) that are relatively prime to 30891421.

Interesting facts

Basic properties

Name

Name thirty million eight hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation 3.0891421 × 10^7
Engineering notation 3.0891421 × 10^6

Prime Factorization of 30891421

Prime Factorization 11 × 11 × 53 × 4817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2808311
Product of the distinct prime numbers

The prime factorization of 30891421 is 11 × 11 × 53 × 4817. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 43, 42, 387, 285, 2660, 9836, 77230, 69776, 202512, 304420, 2879254, 5161380, 10747948, 87485135, 655419811, 748719975, 1726091895, 3972293972

Basic calculations (n = 30891421)

Multiplication

n×y
n×2 61782842
n×3 92674263
n×4 123565684
n×5 154457105

Division

n÷y
n÷2 15445710.5
n÷3 10297140.333333
n÷3 7722855.25
n÷5 6178284.2

Exponentiation

ny
n2 954279891399241
n3 2.9479061877048E+22
n4 9.1065011112895E+29
n5 2.8131275966581E+37

Nth Root

y√n
2√n 5558.0051277414
3√n 313.77087494638
4√n 74.552029668825
5√n 31.475133241052

Divisors of 30891421

1, 11, 53, 121, 583, 4817, 6413, 52987, 255301, 582857, 2808311, 30891421

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30891420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30891421 can be divided by 12 positive divisors. The sum of these divisors (counting 30891421) is 1, the average is 0.083333333333333.

Base conversion 30891421

Base System Value
2 Binary 1110101110101110110011101
3 Ternary 2011010110001201
4 Quaternary 1311311312131
5 Quinary 30402011141
6 Senary 3022035501
8 Octal 165656635
10 Decimal 30891421
12 Duodecimal a418b91
16 Hexadecimal 1d75d9d
20 Vigesimal 9d18b1
36 Base36 ie3z1

Cryptographic Hash Functions

md5 0a256191abbc73201c381be795f1bcb4
sha1 0cc38c21f2dd8654d4b97f1c32a80fef7016764e
sha256 fbbf7f54b84100018cfacd8427c8b46f2c08348f857136a737885ea9627eee9b
sha512 cabb4955160b0400d3a0456598cac5056b5e23279f9e43ada0bb9fe9028de1fec32377a2ec7f99804eed18c22f26f06a5b0bb7135af11c79c64d2a75dba663a9
ripemd-160 28175348c0a175b1d75648f3282535906732f6d2

30891421 as geometric shapes

Circle

Radius = n
Diameter 61782842
Circumference 194096522.5451
Area 2.9979586962883E+15

Sphere

Radius = n
Volume 1.2348160563687E+23
Surface area 1.1991834785153E+16
Circumference 194096522.5451

Square

Length = n
Perimeter 123565684
Area 954279891399241
Diagonal 43687066.539177

Cube

Length = n
Surface area 5725679348395446
Volume 2.9479061877048E+22
Space diagonal 53505510.69

Equilateral Triangle

Length = n
Perimeter 92674263
Area 4.132153141362E+14
Altitude 26752755.345

Triangular Pyramid

Length = n
Surface area 4.132153141362E+14
Volume 3.4741407593798E+21
Height 14562355.513059