30656721 (number)

30656721 is an odd 8-digits composite number following 30656720 and preceding 30656722. In scientific notation, it is written as 3.0656721 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 19659024 positive integers (up to 30656721) that are relatively prime to 30656721.

Interesting facts

Basic properties

Name

Name thirty million six hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 3.0656721 × 10^7
Engineering notation 3.0656721 × 10^6

Prime Factorization of 30656721

Prime Factorization 3 × 67 × 43 × 3547

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30656721
Product of the distinct prime numbers

The prime factorization of 30656721 is 3 × 67 × 43 × 3547. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 37, 50, 447, 831, 4102, 5245, 99254, 87113, 262074, 430121, 3691502, 6079729, 50317423, 23471003, 704219366, 385190799, 3658860428, 8277695645

Basic calculations (n = 30656721)

Multiplication

n×y
n×2 61313442
n×3 91970163
n×4 122626884
n×5 153283605

Division

n÷y
n÷2 15328360.5
n÷3 10218907
n÷3 7664180.25
n÷5 6131344.2

Exponentiation

ny
n2 939834542471841
n3 2.8812245354722E+22
n4 8.8328896722325E+29
n5 2.7078743430541E+37

Nth Root

y√n
2√n 5536.8511809511
3√n 312.97422101549
4√n 74.410020702531
5√n 31.427160267368

Divisors of 30656721

1, 3, 43, 67, 129, 201, 2881, 3547, 8643, 10641, 152521, 237649, 457563, 712947, 10218907, 30656721

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 -30656720
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 30656721 can be divided by 16 positive divisors. The sum of these divisors (counting 30656721) is 1, the average is 0.0625.

Base conversion 30656721

Base System Value
2 Binary 1110100111100100011010001
3 Ternary 2010200112010010
4 Quaternary 1310330203101
5 Quinary 30322003341
6 Senary 3013025133
8 Octal 164744321
10 Decimal 30656721
12 Duodecimal a3251a9
16 Hexadecimal 1d3c8d1
20 Vigesimal 9bc1g1
36 Base36 i92vl

Cryptographic Hash Functions

md5 4a49c4319643829451ee1edc113d5488
sha1 1f10fcc0a907525a1f3238a7c47370ba5fdbf804
sha256 fac55563d4bf6d864a537251c8c1c625f2c120b6162c39b87e52492d972db581
sha512 437c70c613e40f6737f3169b8c9f53b2c4f9d5c4b2151308e18973dc604632a9569b7afbdfd2d55eab10d3c08d27f66408a3eab774284aa39e38c5881099c725
ripemd-160 40cad570e15251b7faef8987a8d256930448760b

30656721 as geometric shapes

Circle

Radius = n
Diameter 61313442
Circumference 192621858.9535
Area 2.9525772942195E+15

Sphere

Radius = n
Volume 1.2068845111976E+23
Surface area 1.1810309176878E+16
Circumference 192621858.9535

Square

Length = n
Perimeter 122626884
Area 939834542471841
Diagonal 43355150.616088

Cube

Length = n
Surface area 5639007254831046
Volume 2.8812245354722E+22
Space diagonal 53098998.365464

Equilateral Triangle

Length = n
Perimeter 91970163
Area 4.0696029456737E+14
Altitude 26549499.182732

Triangular Pyramid

Length = n
Surface area 4.0696029456737E+14
Volume 3.3955556785891E+21
Height 14451716.872029