30757981 (number)

30757981 is an odd 8-digits composite number following 30757980 and preceding 30757982. In scientific notation, it is written as 3.0757981 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 28521920 positive integers (up to 30757981) that are relatively prime to 30757981.

Interesting facts

Basic properties

Name

Name thirty million seven hundred fifty-seven thousand nine hundred eighty-one

Notation

Scientific notation 3.0757981 × 10^7
Engineering notation 3.0757981 × 10^6

Prime Factorization of 30757981

Prime Factorization 17 × 71 × 17 × 1499

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1809293
Product of the distinct prime numbers

The prime factorization of 30757981 is 17 × 71 × 17 × 1499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 86, 89, 638, 358, 1912, 4324, 72298, 82352, 502255, 196476, 4235765, 1289041, 13430248, 94050179, 698749380, 132733669, 8846951177, 4143332013

Basic calculations (n = 30757981)

Multiplication

n×y
n×2 61515962
n×3 92273943
n×4 123031924
n×5 153789905

Division

n÷y
n÷2 15378990.5
n÷3 10252660.333333
n÷3 7689495.25
n÷5 6151596.2

Exponentiation

ny
n2 946053395196361
n3 2.9098692354435E+22
n4 8.9501702656256E+29
n5 2.7528916697688E+37

Nth Root

y√n
2√n 5545.9878290526
3√n 313.31842982783
4√n 74.471389332096
5√n 31.447893848452

Divisors of 30757981

1, 17, 71, 289, 1207, 1499, 20519, 25483, 106429, 433211, 1809293, 30757981

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 -30757980
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 30757981 can be divided by 12 positive divisors. The sum of these divisors (counting 30757981) is 1, the average is 0.083333333333333.

Base conversion 30757981

Base System Value
2 Binary 1110101010101010001011101
3 Ternary 2010212200000111
4 Quaternary 1311111101131
5 Quinary 30333223411
6 Senary 3015130021
8 Octal 165252135
10 Decimal 30757981
12 Duodecimal a373911
16 Hexadecimal 1d5545d
20 Vigesimal 9c4ej1
36 Base36 ib90d

Cryptographic Hash Functions

md5 c61fdb7dba9e5cc2fe7c9decdbb371ec
sha1 50f9f70bcfa81033fd38dcaca7af2504e882a328
sha256 7d3206820f0718d8d659b55a96fdc0df8ddadb177a609ce474d1fae3b4aecf33
sha512 3bece6b89e9d2b27f07a19ba8ab262aca09f2f71d45d0a5f370998fdf03b35689e133c1fc7d02a2c761fc7941d6366ae7c1f74ae7bc372fdc38bca92da5bcbd7
ripemd-160 08741e8c97d51b4981a79e619a8bed9b81e4a814

30757981 as geometric shapes

Circle

Radius = n
Diameter 61515962
Circumference 193258094.29771
Area 2.9721143962526E+15

Sphere

Radius = n
Volume 1.2188831750635E+23
Surface area 1.188845758501E+16
Circumference 193258094.29771

Square

Length = n
Perimeter 123031924
Area 946053395196361
Diagonal 43498353.881414

Cube

Length = n
Surface area 5676320371178166
Volume 2.9098692354435E+22
Space diagonal 53274385.830238

Equilateral Triangle

Length = n
Perimeter 92273943
Area 4.0965313678828E+14
Altitude 26637192.915119

Triangular Pyramid

Length = n
Surface area 4.0965313678828E+14
Volume 3.429313781247E+21
Height 14499451.293805