28001556 (number)

28001556 is an even 8-digits composite number following 28001555 and preceding 28001557. In scientific notation, it is written as 2.8001556 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 72 positive divisors. There are 8208000 positive integers (up to 28001556) that are relatively prime to 28001556.

Interesting facts

Basic properties

Name

Name twenty-eight million one thousand five hundred fifty-six

Notation

Scientific notation 2.8001556 × 10^7
Engineering notation 2.8001556 × 10^6

Prime Factorization of 28001556

Prime Factorization 2 × 2 × 3 × 11 × 3 × 31 × 2281

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 4666926
Product of the distinct prime numbers

The prime factorization of 28001556 is 2 × 2 × 3 × 11 × 3 × 31 × 2281. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 5, 71, 4, 402, 686, 9523, 3386, 31800, 85210, 292454, 326383, 6814618, 8831317, 57753396, 55450888, 482497305, 925222739, 329946299, 3438396221

Basic calculations (n = 28001556)

Multiplication

n×y
n×2 56003112
n×3 84004668
n×4 112006224
n×5 140007780

Division

n÷y
n÷2 14000778
n÷3 9333852
n÷3 7000389
n÷5 5600311.2

Exponentiation

ny
n2 784087138421136
n3 2.1955659915379E+22
n4 6.1479264063745E+29
n5 1.7215150555197E+37

Nth Root

y√n
2√n 5291.6496482666
3√n 303.66452200295
4√n 72.743725834374
5√n 30.862878775735

Divisors of 28001556

1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 124, 132, 186, 198, 279, 341, 372, 396, 558, 682, 1023, 1116, 1364, 2046, 2281, 3069, 4092, 4562, 6138, 6843, 9124, 12276, 13686, 20529, 25091, 27372, 41058, 50182, 70711, 75273, 82116, 100364, 141422, 150546, 212133, 225819, 282844, 301092, 424266, 451638, 636399, 777821, 848532, 903276, 1272798, 1555642, 2333463, 2545596, 3111284, 4666926, 7000389, 9333852, 14000778, 28001556

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28001555
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28001556 can be divided by 72 positive divisors. The sum of these divisors (counting 28001556) is 1, the average is 0.013888888888889.

Base conversion 28001556

Base System Value
2 Binary 1101010110100010100010100
3 Ternary 1221200121220200
4 Quaternary 1222310110110
5 Quinary 24132022211
6 Senary 2440100500
8 Octal 152642424
10 Decimal 28001556
12 Duodecimal 9464730
16 Hexadecimal 1ab4514
20 Vigesimal 8f03hg
36 Base36 go650

Cryptographic Hash Functions

md5 a73a62c286e3181fcda4159eda089801
sha1 65d77bff22723820e53b170827566cf1f41c3bd2
sha256 e978445be222a3978d45c9834834fec4d5f72e97d1c36e323a1ccb50b611f853
sha512 4ff92be7b2273e3f1ac3fe3fc90e62db4d4bb087ac47020ab167b09b277b70a4636ee9d959fd250c81d5d6843609610faf6d2e4045e65c53b7858b97dca46406
ripemd-160 48a8ed30c218b9babdcec3df318d8504041cf5ae

28001556 as geometric shapes

Circle

Radius = n
Diameter 56003112
Circumference 175938965.23737
Area 2.4632823938381E+15

Sphere

Radius = n
Volume 9.1967653193162E+22
Surface area 9.8531295753523E+15
Circumference 175938965.23737

Square

Length = n
Perimeter 112006224
Area 784087138421136
Diagonal 39600180.26275

Cube

Length = n
Surface area 4704522830526816
Volume 2.1955659915379E+22
Space diagonal 48500117.682985

Equilateral Triangle

Length = n
Perimeter 84004668
Area 3.3951969032667E+14
Altitude 24250058.841493

Triangular Pyramid

Length = n
Surface area 3.3951969032667E+14
Volume 2.587499335265E+21
Height 13200060.087583