28901982 (number)

28901982 is an even 8-digits composite number following 28901981 and preceding 28901983. In scientific notation, it is written as 2.8901982 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 9323160 positive integers (up to 28901982) that are relatively prime to 28901982.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred one thousand nine hundred eighty-two

Notation

Scientific notation 2.8901982 × 10^7
Engineering notation 2.8901982 × 10^6

Prime Factorization of 28901982

Prime Factorization 2 × 3 × 31 × 155387

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28901982
Product of the distinct prime numbers

The prime factorization of 28901982 is 2 × 3 × 31 × 155387. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 39, 58, 126, 707, 2054, 2926, 59405, 62266, 7650, 330314, 3264408, 6144973, 3377778, 28579538, 170951782, 388693405, 3519529385, 2583756694

Basic calculations (n = 28901982)

Multiplication

n×y
n×2 57803964
n×3 86705946
n×4 115607928
n×5 144509910

Division

n÷y
n÷2 14450991
n÷3 9633994
n÷3 7225495.5
n÷5 5780396.4

Exponentiation

ny
n2 835324563528324
n3 2.4142535499253E+22
n4 6.9776712643378E+29
n5 2.0166852928381E+37

Nth Root

y√n
2√n 5376.0563613117
3√n 306.8851512246
4√n 73.32159546349
5√n 31.058861009954

Divisors of 28901982

1, 2, 3, 6, 31, 62, 93, 186, 155387, 310774, 466161, 932322, 4816997, 9633994, 14450991, 28901982

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 -28901981
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 28901982 can be divided by 16 positive divisors. The sum of these divisors (counting 28901982) is 1, the average is 0.0625.

Base conversion 28901982

Base System Value
2 Binary 1101110010000001001011110
3 Ternary 2000101101001210
4 Quaternary 1232100021132
5 Quinary 24344330412
6 Senary 2511245250
8 Octal 156201136
10 Decimal 28901982
12 Duodecimal 9819826
16 Hexadecimal 1b9025e
20 Vigesimal 90cej2
36 Base36 h7gwu

Cryptographic Hash Functions

md5 d221cd43443116bcccfbbd957f6b82f0
sha1 06482a1b6bd036cd508f56a26a1c8417f435d25f
sha256 05744488266689571b460aedad0ec8064a12320f0807550415222fb123756619
sha512 dfd2f7f5d5b35e1b95e6d4c4c8b9977df31563435df8cffa508754ddab76da86d04e273e3d92bafecf80803f572aa23e8531de867dc8408fff71ffd8694cb143
ripemd-160 1027dfddba2f0e20d195cfe4431efc06642973a9

28901982 as geometric shapes

Circle

Radius = n
Diameter 57803964
Circumference 181596508.65077
Area 2.6242495121437E+15

Sphere

Radius = n
Volume 1.0112801621798E+23
Surface area 1.0496998048575E+16
Circumference 181596508.65077

Square

Length = n
Perimeter 115607928
Area 835324563528324
Diagonal 40873574.923863

Cube

Length = n
Surface area 5011947381169944
Volume 2.4142535499253E+22
Space diagonal 50059701.263441

Equilateral Triangle

Length = n
Perimeter 86705946
Area 3.6170614621034E+14
Altitude 25029850.631721

Triangular Pyramid

Length = n
Surface area 3.6170614621034E+14
Volume 2.8452250944265E+21
Height 13624524.974621