30999721 (number)

30999721 is an odd 8-digits composite number following 30999720 and preceding 30999722. In scientific notation, it is written as 3.0999721 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 27728640 positive integers (up to 30999721) that are relatively prime to 30999721.

Interesting facts

Basic properties

Name

Name thirty million nine hundred ninety-nine thousand seven hundred twenty-one

Notation

Scientific notation 3.0999721 × 10^7
Engineering notation 3.0999721 × 10^6

Prime Factorization of 30999721

Prime Factorization 59 × 17 × 31 × 997

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30999721
Product of the distinct prime numbers

The prime factorization of 30999721 is 59 × 17 × 31 × 997. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 31, 15, 259, 256, 1555, 4745, 49501, 99323, 730978, 778239, 9423056, 730423, 71117344, 60554251, 974166856, 672104556, 6931181896, 8039332420

Basic calculations (n = 30999721)

Multiplication

n×y
n×2 61999442
n×3 92999163
n×4 123998884
n×5 154998605

Division

n÷y
n÷2 15499860.5
n÷3 10333240.333333
n÷3 7749930.25
n÷5 6199944.2

Exponentiation

ny
n2 960982702077841
n3 2.9790195650239E+22
n4 9.2348775369283E+29
n5 2.8627862711394E+37

Nth Root

y√n
2√n 5567.739307834
3√n 314.13712282212
4√n 74.617285583396
5√n 31.497171636467

Divisors of 30999721

1, 17, 31, 59, 527, 997, 1003, 1829, 16949, 30907, 31093, 58823, 525419, 999991, 1823513, 30999721

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 -30999720
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 30999721 can be divided by 16 positive divisors. The sum of these divisors (counting 30999721) is 1, the average is 0.0625.

Base conversion 30999721

Base System Value
2 Binary 1110110010000010010101001
3 Ternary 2011022221121211
4 Quaternary 1312100102221
5 Quinary 30413442341
6 Senary 3024233121
8 Octal 166202251
10 Decimal 30999721
12 Duodecimal a46b7a1
16 Hexadecimal 1d904a9
20 Vigesimal 9dej61
36 Base36 igfjd

Cryptographic Hash Functions

md5 6e7380738e9aa84633112066804a17ba
sha1 10d9f74869b3e2130eb12b09875f95e3de8ea4a1
sha256 fa0c7c63c91b8cc98268a347f185f1645536aa927f76755c31bca24f5c5e7430
sha512 6c99bf9712acd19ca1000aceaf7b8643321bb411e4f2634d6a03a953a699460a34403138289af80e7707afc6fc5d04ea1396924581411f7278930aa724504b87
ripemd-160 ab5ac267dbc0d00f71f76398f981c51ee8593f58

30999721 as geometric shapes

Circle

Radius = n
Diameter 61999442
Circumference 194776991.51387
Area 3.0190161970746E+15

Sphere

Radius = n
Volume 1.2478487973839E+23
Surface area 1.2076064788298E+16
Circumference 194776991.51387

Square

Length = n
Perimeter 123998884
Area 960982702077841
Diagonal 43840225.867982

Cube

Length = n
Surface area 5765896212467046
Volume 2.9790195650239E+22
Space diagonal 53693091.79246

Equilateral Triangle

Length = n
Perimeter 92999163
Area 4.1611771629841E+14
Altitude 26846545.89623

Triangular Pyramid

Length = n
Surface area 4.1611771629841E+14
Volume 3.510808226193E+21
Height 14613408.622661