28161639 (number)

28161639 is an odd 8-digits composite number following 28161638 and preceding 28161640. In scientific notation, it is written as 2.8161639 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 15482880 positive integers (up to 28161639) that are relatively prime to 28161639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8161639 × 10^7
Engineering notation 2.8161639 × 10^6

Prime Factorization of 28161639

Prime Factorization 3 × 29 × 561 × 577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28161639
Product of the distinct prime numbers

The prime factorization of 28161639 is 3 × 29 × 561 × 577. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 33, 13, 614, 173, 8888, 7603, 19194, 76295, 683018, 582167, 1611459, 365576, 66198698, 20561121, 94021008, 319356819, 6095872447, 2930814013

Basic calculations (n = 28161639)

Multiplication

n×y
n×2 56323278
n×3 84484917
n×4 112646556
n×5 140808195

Division

n÷y
n÷2 14080819.5
n÷3 9387213
n÷3 7040409.75
n÷5 5632327.8

Exponentiation

ny
n2 793077911166321
n3 2.233437383314E+22
n4 6.2897257317993E+29
n5 1.7712898546794E+37

Nth Root

y√n
2√n 5306.7540926634
3√n 304.24209924553
4√n 72.847471422579
5√n 30.898086553058

Divisors of 28161639

1, 3, 29, 87, 561, 577, 1683, 1731, 16269, 16733, 48807, 50199, 323697, 971091, 9387213, 28161639

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 -28161638
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 28161639 can be divided by 16 positive divisors. The sum of these divisors (counting 28161639) is 1, the average is 0.0625.

Base conversion 28161639

Base System Value
2 Binary 1101011011011011001100111
3 Ternary 1221222202111200
4 Quaternary 1223123121213
5 Quinary 24202133024
6 Senary 2443333543
8 Octal 153333147
10 Decimal 28161639
12 Duodecimal 95212b3
16 Hexadecimal 1adb667
20 Vigesimal 8g041j
36 Base36 grlnr

Cryptographic Hash Functions

md5 8dca5d48c8a14b2fe17f3b662c9f4480
sha1 6c61bdddd9a79d6253058342b1b75705262d8960
sha256 030dc77e1088b85ca0cb369630b54693e2a8b18f54c47a918b5288f2100e8649
sha512 977c2dc5c6921121c7bd230261fb7a27f36d685e772b0d71ff69206d67e201df9f81ece69b7f2152a6df3193de7761c7f0dc8de5ff442b7737d14b0e063d4848
ripemd-160 f9de46578cbf426fa7ac71b4b63c7607571a83c2

28161639 as geometric shapes

Circle

Radius = n
Diameter 56323278
Circumference 176944796.3909
Area 2.4915277394445E+15

Sphere

Radius = n
Volume 9.3554006342294E+22
Surface area 9.9661109577778E+15
Circumference 176944796.3909

Square

Length = n
Perimeter 112646556
Area 793077911166321
Diagonal 39826571.812455

Cube

Length = n
Surface area 4758467466997926
Volume 2.233437383314E+22
Space diagonal 48777389.572413

Equilateral Triangle

Length = n
Perimeter 84484917
Area 3.4341280912517E+14
Altitude 24388694.786207

Triangular Pyramid

Length = n
Surface area 3.4341280912517E+14
Volume 2.6321311984948E+21
Height 13275523.937485