28169621 (number)

28169621 is an odd 8-digits composite number following 28169620 and preceding 28169622. In scientific notation, it is written as 2.8169621 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 28026432 positive integers (up to 28169621) that are relatively prime to 28169621.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-nine thousand six hundred twenty-one

Notation

Scientific notation 2.8169621 × 10^7
Engineering notation 2.8169621 × 10^6

Prime Factorization of 28169621

Prime Factorization 197 × 142993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28169621
Product of the distinct prime numbers

The prime factorization of 28169621 is 197 × 142993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28169621)

Multiplication

n×y
n×2 56339242
n×3 84508863
n×4 112678484
n×5 140848105

Division

n÷y
n÷2 14084810.5
n÷3 9389873.6666667
n÷3 7042405.25
n÷5 5633924.2

Exponentiation

ny
n2 793527547283641
n3 2.235337026004E+22
n4 6.2968596829799E+29
n5 1.7738015075972E+37

Nth Root

y√n
2√n 5307.5060998552
3√n 304.27084083778
4√n 72.852632758571
5√n 30.899837875631

Divisors of 28169621

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28169620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28169621 can be divided by 4 positive divisors. The sum of these divisors (counting 28169621) is 1, the average is 0.25.

Base conversion 28169621

Base System Value
2 Binary 1101011011101010110010101
3 Ternary 1222000011110022
4 Quaternary 1223131112111
5 Quinary 24202411441
6 Senary 2443434525
8 Octal 153352625
10 Decimal 28169621
12 Duodecimal 9525a45
16 Hexadecimal 1add595
20 Vigesimal 8g1411
36 Base36 grrth

Cryptographic Hash Functions

md5 1cea5780a22a13e73821d34a4515f425
sha1 b0271fdee1247f65c70a91102a30c678de4341c6
sha256 a7ad2e86e12860052e042931c884b613652c33be2072c20799bc90fa62c184cc
sha512 67bfe9504a2e2fde3b505bf3401608febc185d17fd957329b41b6cf3130121fd8393916a28a14ed9177b5dd9afb47f8d5a03a220af68230e977683d48923565b
ripemd-160 416fb69457239d841030480bb57cb40e8617a5f1

28169621 as geometric shapes

Circle

Radius = n
Diameter 56339242
Circumference 176994948.77602
Area 2.4929403129674E+15

Sphere

Radius = n
Volume 9.3633578389218E+22
Surface area 9.9717612518697E+15
Circumference 176994948.77602

Square

Length = n
Perimeter 112678484
Area 793527547283641
Diagonal 39837860.06511

Cube

Length = n
Surface area 4761165283701846
Volume 2.235337026004E+22
Space diagonal 48791214.801959

Equilateral Triangle

Length = n
Perimeter 84508863
Area 3.436075072752E+14
Altitude 24395607.40098

Triangular Pyramid

Length = n
Surface area 3.436075072752E+14
Volume 2.6343699488746E+21
Height 13279286.68837