30921388 (number)

30921388 is an even 8-digits composite number following 30921387 and preceding 30921389. In scientific notation, it is written as 3.0921388 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 24 positive divisors. There are 15121920 positive integers (up to 30921388) that are relatively prime to 30921388.

Interesting facts

Basic properties

Name

Name thirty million nine hundred twenty-one thousand three hundred eighty-eight

Notation

Scientific notation 3.0921388 × 10^7
Engineering notation 3.0921388 × 10^6

Prime Factorization of 30921388

Prime Factorization 2 × 2 × 61 × 353 × 359

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15460694
Product of the distinct prime numbers

The prime factorization of 30921388 is 2 × 2 × 61 × 353 × 359. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 27, 84, 142, 685, 4257, 1087, 28376, 81702, 813803, 97917, 8559064, 8119546, 66482867, 50351323, 496345906, 951256812, 8025250178, 4907597380

Basic calculations (n = 30921388)

Multiplication

n×y
n×2 61842776
n×3 92764164
n×4 123685552
n×5 154606940

Division

n÷y
n÷2 15460694
n÷3 10307129.333333
n÷3 7730347
n÷5 6184277.6

Exponentiation

ny
n2 956132235846544
n3 2.9564935843918E+22
n4 9.1418885242491E+29
n5 2.8267988211105E+37

Nth Root

y√n
2√n 5560.7003156077
3√n 313.8723025993
4√n 74.570103363263
5√n 31.481237521815

Divisors of 30921388

1, 2, 4, 61, 122, 244, 353, 359, 706, 718, 1412, 1436, 21533, 21899, 43066, 43798, 86132, 87596, 126727, 253454, 506908, 7730347, 15460694, 30921388

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30921387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30921388 can be divided by 24 positive divisors. The sum of these divisors (counting 30921388) is 1, the average is 0.041666666666667.

Base conversion 30921388

Base System Value
2 Binary 1110101111101001010101100
3 Ternary 2011011222011121
4 Quaternary 1311331022230
5 Quinary 30403441023
6 Senary 3022430324
8 Octal 165751254
10 Decimal 30921388
12 Duodecimal a4323a4
16 Hexadecimal 1d7d2ac
20 Vigesimal 9d5398
36 Base36 ier3g

Cryptographic Hash Functions

md5 7b3bc9a6c76bbe12f06f715b2fd6e696
sha1 ba2f1f407e61d356a9f98780e4c3d2906fe5cb94
sha256 5fcc743e639c4f20f60a5b4fdddc229981a823597952cbfc6d866b0571018e59
sha512 fb247ee90f3ce02a4c1b24fd0f983a74750bcfdbea3a7451c697acde0f68829e26996e6a60b396babda86d67288069bcf463a0779851c9033baed503e7b0cba9
ripemd-160 b62a5f45395812bf49287d955f4fa47619c4b15e

30921388 as geometric shapes

Circle

Radius = n
Diameter 61842776
Circumference 194284810.7592
Area 3.0037780079959E+15

Sphere

Radius = n
Volume 1.2384131366814E+23
Surface area 1.2015112031984E+16
Circumference 194284810.7592

Square

Length = n
Perimeter 123685552
Area 956132235846544
Diagonal 43729446.277001

Cube

Length = n
Surface area 5736793415079264
Volume 2.9564935843918E+22
Space diagonal 53557415.056551

Equilateral Triangle

Length = n
Perimeter 92764164
Area 4.1401740281016E+14
Altitude 26778707.528275

Triangular Pyramid

Length = n
Surface area 4.1401740281016E+14
Volume 3.48426110343E+21
Height 14576482.092334