28409980 (number)

28409980 is an even 8-digits composite number following 28409979 and preceding 28409981. In scientific notation, it is written as 2.8409980 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 11219520 positive integers (up to 28409980) that are relatively prime to 28409980.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred nine thousand nine hundred eighty

Notation

Scientific notation 2.8409980 × 10^7
Engineering notation 2.8409980 × 10^6

Prime Factorization of 28409980

Prime Factorization 2 × 2 × 5 × 79 × 17981

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14204990
Product of the distinct prime numbers

The prime factorization of 28409980 is 2 × 2 × 5 × 79 × 17981. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 7, 83, 35, 561, 966, 3139, 4683, 83218, 37566, 652854, 22831, 6008333, 8731834, 62084502, 56102688, 451930363, 615365975, 1784557290, 1420053614

Basic calculations (n = 28409980)

Multiplication

n×y
n×2 56819960
n×3 85229940
n×4 113639920
n×5 142049900

Division

n÷y
n÷2 14204990
n÷3 9469993.3333333
n÷3 7102495
n÷5 5681996

Exponentiation

ny
n2 807126963600400
n3 2.2930460893348E+22
n4 6.514539353708E+29
n5 1.8507793274806E+37

Nth Root

y√n
2√n 5330.101312358
3√n 305.1337942069
4√n 73.00754284564
5√n 30.952389767752

Divisors of 28409980

1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 17981, 35962, 71924, 89905, 179810, 359620, 1420499, 2840998, 5681996, 7102495, 14204990, 28409980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28409979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28409980 can be divided by 24 positive divisors. The sum of these divisors (counting 28409980) is 1, the average is 0.041666666666667.

Base conversion 28409980

Base System Value
2 Binary 1101100011000000001111100
3 Ternary 1222110101011111
4 Quaternary 1230120001330
5 Quinary 24233104410
6 Senary 2452531404
8 Octal 154300174
10 Decimal 28409980
12 Duodecimal 9620b64
16 Hexadecimal 1b1807c
20 Vigesimal 8hb4j0
36 Base36 gwxa4

Cryptographic Hash Functions

md5 3fb370cc2131b0fef381bddd3100630d
sha1 7224bf032d5975ed2a625903ae22428182ce742d
sha256 a5ed4ea73e07eabb7686eb782159b90cf4f2191011233738ea673d2f0726085c
sha512 e337a716d553e641d89e096cf2be403ef8a1f71cdb2bf645de1cad605e24c64d7f7f9dce37068c5fb2398e5f32382c66463e9fbfa0cf9117527152e4ad0ec511
ripemd-160 4de8daadd1bea5d7edc51767d7124a922bc4d8de

28409980 as geometric shapes

Circle

Radius = n
Diameter 56819960
Circumference 178505168.91327
Area 2.5356641393613E+15

Sphere

Radius = n
Volume 9.6050889981294E+22
Surface area 1.0142656557445E+16
Circumference 178505168.91327

Square

Length = n
Perimeter 113639920
Area 807126963600400
Diagonal 40177779.022748

Cube

Length = n
Surface area 4842761781602400
Volume 2.2930460893348E+22
Space diagonal 49207528.802016

Equilateral Triangle

Length = n
Perimeter 85229940
Area 3.4949622727867E+14
Altitude 24603764.401008

Triangular Pyramid

Length = n
Surface area 3.4949622727867E+14
Volume 2.7023807322366E+21
Height 13392593.007583