28156689 (number)

28156689 is an odd 8-digits composite number following 28156688 and preceding 28156690. In scientific notation, it is written as 2.8156689 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 16165440 positive integers (up to 28156689) that are relatively prime to 28156689.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-six thousand six hundred eighty-nine

Notation

Scientific notation 2.8156689 × 10^7
Engineering notation 2.8156689 × 10^6

Prime Factorization of 28156689

Prime Factorization 9 × 19 × 11 × 14969

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28156689
Product of the distinct prime numbers

The prime factorization of 28156689 is 9 × 19 × 11 × 14969. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 56, 27, 310, 560, 6927, 8538, 86456, 70837, 627649, 648713, 8068515, 5724720, 36178287, 81119812, 63877050, 882820778, 6790778087, 4501067855

Basic calculations (n = 28156689)

Multiplication

n×y
n×2 56313378
n×3 84470067
n×4 112626756
n×5 140783445

Division

n÷y
n÷2 14078344.5
n÷3 9385563
n÷3 7039172.25
n÷5 5631337.8

Exponentiation

ny
n2 792799135442721
n3 2.232259869613E+22
n4 6.2853046915873E+29
n5 1.7697336947126E+37

Nth Root

y√n
2√n 5306.2876853785
3√n 304.22427255303
4√n 72.844270092977
5√n 30.897000279046

Divisors of 28156689

1, 9, 11, 19, 99, 171, 209, 1881, 14969, 134721, 164659, 284411, 1481931, 2559699, 3128521, 28156689

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 -28156688
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 28156689 can be divided by 16 positive divisors. The sum of these divisors (counting 28156689) is 1, the average is 0.0625.

Base conversion 28156689

Base System Value
2 Binary 1101011011010001100010001
3 Ternary 1221222111201100
4 Quaternary 1223122030101
5 Quinary 24202003224
6 Senary 2443255013
8 Octal 153321421
10 Decimal 28156689
12 Duodecimal 951a469
16 Hexadecimal 1ada311
20 Vigesimal 8fjbe9
36 Base36 grhu9

Cryptographic Hash Functions

md5 a18b534bd74fe385e6349cd87b7772da
sha1 0d2b2ff14b15fe0e52e541a00b549068631caf36
sha256 a577d02e9f14176d9844168741781317f832ecd3ead2ef05e7675d04e838fbce
sha512 9344a72ea693a1f7145c15d2a6047cb5e336f38198184309b0cbfa55d0a45ca3fcbd235d1d81fa76a72d986219596e7184ff63de1cc6c0cdbce5ef19ed311401
ripemd-160 7344774c162fac9826255834e09ac4ca600fc1c5

28156689 as geometric shapes

Circle

Radius = n
Diameter 56313378
Circumference 176913694.62363
Area 2.4906519396792E+15

Sphere

Radius = n
Volume 9.3504682763725E+22
Surface area 9.9626077587168E+15
Circumference 176913694.62363

Square

Length = n
Perimeter 112626756
Area 792799135442721
Diagonal 39819571.455321

Cube

Length = n
Surface area 4756794812656326
Volume 2.232259869613E+22
Space diagonal 48768815.920916

Equilateral Triangle

Length = n
Perimeter 84470067
Area 3.4329209569587E+14
Altitude 24384407.960458

Triangular Pyramid

Length = n
Surface area 3.4329209569587E+14
Volume 2.6307434852899E+21
Height 13273190.485107