28778970 (number)

28778970 is an even 8-digits composite number following 28778969 and preceding 28778971. In scientific notation, it is written as 2.8778970 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 6785280 positive integers (up to 28778970) that are relatively prime to 28778970.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-eight thousand nine hundred seventy

Notation

Scientific notation 2.8778970 × 10^7
Engineering notation 2.8778970 × 10^6

Prime Factorization of 28778970

Prime Factorization 2 × 33 × 5 × 37 × 2357

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28778970
Product of the distinct prime numbers

The prime factorization of 28778970 is 2 × 33 × 5 × 37 × 2357. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 9, 93, 87, 716, 289, 625, 1362, 13115, 94327, 242450, 405090, 8313921, 210719, 8146796, 61570514, 811380122, 869900338, 3032427387, 7695248726

Basic calculations (n = 28778970)

Multiplication

n×y
n×2 57557940
n×3 86336910
n×4 115115880
n×5 143894850

Division

n÷y
n÷2 14389485
n÷3 9592990
n÷3 7194742.5
n÷5 5755794

Exponentiation

ny
n2 828229114260900
n3 2.3835580832441E+22
n4 6.859634657094E+29
n5 1.9741322000747E+37

Nth Root

y√n
2√n 5364.6034336193
3√n 306.44914605228
4√n 73.243453179239
5√n 31.032377471525

Divisors of 28778970

1, 2, 5, 10, 33, 37, 66, 74, 165, 185, 330, 370, 1221, 2357, 2442, 4714, 6105, 11785, 12210, 23570, 77781, 87209, 155562, 174418, 388905, 436045, 777810, 872090, 2877897, 5755794, 14389485, 28778970

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28778969
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28778970 can be divided by 32 positive divisors. The sum of these divisors (counting 28778970) is 1, the average is 0.03125.

Base conversion 28778970

Base System Value
2 Binary 1101101110010000111011010
3 Ternary 2000011010022210
4 Quaternary 1231302013122
5 Quinary 24331411340
6 Senary 2504455550
8 Octal 155620732
10 Decimal 28778970
12 Duodecimal 977a5b6
16 Hexadecimal 1b721da
20 Vigesimal 8jh78a
36 Base36 h4tzu

Cryptographic Hash Functions

md5 080f383aee825ce30370f5fb5604d14e
sha1 e1b2517e24ae9edc79eaf983eb1ba2e6751ed8a7
sha256 36ce4f1fda3991f72e73207f899c00909bd8438b99ca57a6128840130d8afe93
sha512 710fe1f34746da4b000c280026c58295d3883826a119f4af805eee4a565116df985a1bea7f563d3c1ea0a169387c679b483d915786bc4fae1b1f4b5503ddbbfe
ripemd-160 cc74a0829a2e4e85c70ed37233920fd3f164ad22

28778970 as geometric shapes

Circle

Radius = n
Diameter 57557940
Circumference 180823601.45976
Area 2.6019585008512E+15

Sphere

Radius = n
Volume 9.9842247516323E+22
Surface area 1.0407834003405E+16
Circumference 180823601.45976

Square

Length = n
Perimeter 115115880
Area 828229114260900
Diagonal 40699609.685128

Cube

Length = n
Surface area 4969374685565400
Volume 2.3835580832441E+22
Space diagonal 49846638.2295

Equilateral Triangle

Length = n
Perimeter 86336910
Area 3.5863372655191E+14
Altitude 24923319.11475

Triangular Pyramid

Length = n
Surface area 3.5863372655191E+14
Volume 2.8090501400232E+21
Height 13566536.561709