28996905 (number)

28996905 is an odd 8-digits composite number following 28996904 and preceding 28996906. In scientific notation, it is written as 2.8996905 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 12678336 positive integers (up to 28996905) that are relatively prime to 28996905.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-six thousand nine hundred five

Notation

Scientific notation 2.8996905 × 10^7
Engineering notation 2.8996905 × 10^6

Prime Factorization of 28996905

Prime Factorization 35 × 3 × 23 × 12007

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28996905
Product of the distinct prime numbers

The prime factorization of 28996905 is 35 × 3 × 23 × 12007. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 24, 81, 61, 710, 5227, 1189, 19061, 44948, 233692, 631996, 2909314, 6589186, 39491377, 60848960, 468242209, 3250489, 2826781915, 8674543930

Basic calculations (n = 28996905)

Multiplication

n×y
n×2 57993810
n×3 86990715
n×4 115987620
n×5 144984525

Division

n÷y
n÷2 14498452.5
n÷3 9665635
n÷3 7249226.25
n÷5 5799381

Exponentiation

ny
n2 840820499579025
n3 2.4381192148346E+22
n4 7.0697911251232E+29
n5 2.0500206162504E+37

Nth Root

y√n
2√n 5384.8774359311
3√n 307.22075250092
4√n 73.381724127545
5√n 31.079235631734

Divisors of 28996905

1, 3, 23, 35, 69, 105, 805, 2415, 12007, 36021, 276161, 420245, 828483, 1260735, 9665635, 28996905

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 -28996904
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 28996905 can be divided by 16 positive divisors. The sum of these divisors (counting 28996905) is 1, the average is 0.0625.

Base conversion 28996905

Base System Value
2 Binary 1101110100111010100101001
3 Ternary 2000120012021110
4 Quaternary 1232213110221
5 Quinary 24410400110
6 Senary 2513300533
8 Octal 156472451
10 Decimal 28996905
12 Duodecimal 9864749
16 Hexadecimal 1ba7529
20 Vigesimal 914c55
36 Base36 h9i5l

Cryptographic Hash Functions

md5 15b8d1658a280a70163dd247ea4889b5
sha1 60af5edcb6a49d1203a6b5285847b1d176f1cdb1
sha256 6243edd067072aa430250aa87ee29bd8b9b8b3b00bb0f136f0a2350c4c110307
sha512 f34a79347fe1f757a411cf2babd43058d338802d08b76dd90f5d7e15be23dd68b2efe2953b496e2d16f0fa4f5da0ab2ada3f2c55fbb0683169d05f6e5a559396
ripemd-160 a8515f80e6429cc7ee12e4831d97e663a76382fe

28996905 as geometric shapes

Circle

Radius = n
Diameter 57993810
Circumference 182192927.44968
Area 2.6415155044652E+15

Sphere

Radius = n
Volume 1.02127698852E+23
Surface area 1.0566062017861E+16
Circumference 182192927.44968

Square

Length = n
Perimeter 115987620
Area 840820499579025
Diagonal 41007816.317844

Cube

Length = n
Surface area 5044922997474150
Volume 2.4381192148346E+22
Space diagonal 50224112.722248

Equilateral Triangle

Length = n
Perimeter 86990715
Area 3.6408595632908E+14
Altitude 25112056.361124

Triangular Pyramid

Length = n
Surface area 3.6408595632908E+14
Volume 2.8733510502512E+21
Height 13669272.105948