27887978 (number)

27887978 is an even 8-digits composite number following 27887977 and preceding 27887979. In scientific notation, it is written as 2.7887978 × 10^7. The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors. There are 13943988 positive integers (up to 27887978) that are relatively prime to 27887978.

Interesting facts

Basic properties

Name

Name twenty-seven million eight hundred eighty-seven thousand nine hundred seventy-eight

Notation

Scientific notation 2.7887978 × 10^7
Engineering notation 2.7887978 × 10^6

Prime Factorization of 27887978

Prime Factorization 2 × 13943989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 27887978
Product of the distinct prime numbers

The prime factorization of 27887978 is 2 × 13943989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 8, 91, 29, 344, 645, 8910, 7850, 59981, 18288, 595115, 725298, 1544636, 3066489, 83492535, 69263308, 23870406, 164695927, 5093406798, 9594473441

Basic calculations (n = 27887978)

Multiplication

n×y
n×2 55775956
n×3 83663934
n×4 111551912
n×5 139439890

Division

n÷y
n÷2 13943989
n÷3 9295992.6666667
n÷3 6971994.5
n÷5 5577595.6

Exponentiation

ny
n2 777739316928484
n3 2.1689576960237E+22
n4 6.0487844509638E+29
n5 1.6868836769522E+37

Nth Root

y√n
2√n 5280.9069296855
3√n 303.25339787457
4√n 72.669848834888
5√n 30.837801275178

Divisors of 27887978

1, 2, 13943989, 27887978

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 -27887977
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 27887978 can be divided by 4 positive divisors. The sum of these divisors (counting 27887978) is 1, the average is 0.25.

Base conversion 27887978

Base System Value
2 Binary 1101010011000100101101010
3 Ternary 1221110212010002
4 Quaternary 1222120211222
5 Quinary 24114403403
6 Senary 2433423002
8 Octal 152304552
10 Decimal 27887978
12 Duodecimal 940aa62
16 Hexadecimal 1a9896a
20 Vigesimal 8e5jii
36 Base36 glqi2

Cryptographic Hash Functions

md5 8de8c472b108aa52e972cf21683f3711
sha1 0dd3d44a48cb94a549675a981f549e04e43d7933
sha256 69af4822cc01784b8909b52614a030ba23ee0d6628102ce8c87b3896a00c3303
sha512 d325cc1bfe9b7d8143120e20dfc14a47f47dd36562dd169b44b49d18f05f35e5710ff625a79c77ebedcf65de4215e354b31e80c58a60ad5ee17356b7fb77fd3c
ripemd-160 77d2b91201c1fbc3938c5a940bb957e085d0e2df

27887978 as geometric shapes

Circle

Radius = n
Diameter 55775956
Circumference 175225333.61655
Area 2.4433401244705E+15

Sphere

Radius = n
Volume 9.0853087517E+22
Surface area 9.7733604978819E+15
Circumference 175225333.61655

Square

Length = n
Perimeter 111551912
Area 777739316928484
Diagonal 39439556.714763

Cube

Length = n
Surface area 4666435901570904
Volume 2.1689576960237E+22
Space diagonal 48303394.816363

Equilateral Triangle

Length = n
Perimeter 83663934
Area 3.3677100299101E+14
Altitude 24151697.408182

Triangular Pyramid

Length = n
Surface area 3.3677100299101E+14
Volume 2.5561411582751E+21
Height 13146518.904921