30902942 (number)

30902942 is an even 8-digits composite number following 30902941 and preceding 30902943. In scientific notation, it is written as 3.0902942 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 13224120 positive integers (up to 30902942) that are relatively prime to 30902942.

Interesting facts

Basic properties

Name

Name thirty million nine hundred two thousand nine hundred forty-two

Notation

Scientific notation 3.0902942 × 10^7
Engineering notation 3.0902942 × 10^6

Prime Factorization of 30902942

Prime Factorization 2 × 7 × 911 × 2423

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30902942
Product of the distinct prime numbers

The prime factorization of 30902942 is 2 × 7 × 911 × 2423. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 76, 14, 819, 824, 612, 7266, 52435, 60277, 387006, 198994, 2603528, 773760, 65245923, 88307322, 760699154, 323705678, 6761562780, 7540829080

Basic calculations (n = 30902942)

Multiplication

n×y
n×2 61805884
n×3 92708826
n×4 123611768
n×5 154514710

Division

n÷y
n÷2 15451471
n÷3 10300980.666667
n÷3 7725735.5
n÷5 6180588.4

Exponentiation

ny
n2 954991824255364
n3 2.9512056955438E+22
n4 9.1200938439459E+29
n5 2.8183773109402E+37

Nth Root

y√n
2√n 5559.0414641375
3√n 313.8098771982
4√n 74.55897976862
5√n 31.477480630157

Divisors of 30902942

1, 2, 7, 14, 911, 1822, 2423, 4846, 6377, 12754, 16961, 33922, 2207353, 4414706, 15451471, 30902942

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 -30902941
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 30902942 can be divided by 16 positive divisors. The sum of these divisors (counting 30902942) is 1, the average is 0.0625.

Base conversion 30902942

Base System Value
2 Binary 1110101111000101010011110
3 Ternary 2011011000212102
4 Quaternary 1311320222132
5 Quinary 30402343232
6 Senary 3022205102
8 Octal 165705236
10 Decimal 30902942
12 Duodecimal a423792
16 Hexadecimal 1d78a9e
20 Vigesimal 9d2h72
36 Base36 iecv2

Cryptographic Hash Functions

md5 6deb57f27ebe97df3c65e5cbb7433494
sha1 b61e2f9df887feb83ddf047c6553579abd45fc3f
sha256 885fff100aad944f57ffd14967b998a03d03f49bef357b3c818ecf9033948767
sha512 4b19fee9ffc858a9dbab7ed24228bc2e078db543ded1b80f5a749cf00ea883af1d7e9fef8956c3ef60ea11d120b1ab683e18a44188b0e62804f622815b765fca
ripemd-160 5302d0c11f0f1b425879c6c797bf34ed8c387809

30902942 as geometric shapes

Circle

Radius = n
Diameter 61805884
Circumference 194168911.12302
Area 3.000195299319E+15

Sphere

Radius = n
Volume 1.2361981509804E+23
Surface area 1.2000781197276E+16
Circumference 194168911.12302

Square

Length = n
Perimeter 123611768
Area 954991824255364
Diagonal 43703359.693629

Cube

Length = n
Surface area 5729950945532184
Volume 2.9512056955438E+22
Space diagonal 53525465.647354

Equilateral Triangle

Length = n
Perimeter 92708826
Area 4.1352359010579E+14
Altitude 26762732.823677

Triangular Pyramid

Length = n
Surface area 4.1352359010579E+14
Volume 3.4780292666589E+21
Height 14567786.564543