388626981 (number)

388626981 is an odd 9-digits composite number following 388626980 and preceding 388626982. In scientific notation, it is written as 3.88626981 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 259024272 positive integers (up to 388626981) that are relatively prime to 388626981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88626981 × 10^8
Engineering notation 3.88626981 × 10^6

Prime Factorization of 388626981

Prime Factorization 3 × 5179 × 25013

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388626981
Product of the distinct prime numbers

The prime factorization of 388626981 is 3 × 5179 × 25013. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 95, 67, 392, 722, 9596, 5205, 831, 79540, 568052, 201804, 6647089, 8553888, 32592932, 43919570, 63046572, 957257866, 2317169890, 8081891298

Basic calculations (n = 388626981)

Multiplication

n×y
n×2 777253962
n×3 1165880943
n×4 1554507924
n×5 1943134905

Division

n÷y
n÷2 194313490.5
n÷3 129542327
n÷3 97156745.25
n÷5 77725396.2

Exponentiation

ny
n2 151030930361174361
n3 5.8694694503884E+25
n4 2.2810341925762E+34
n5 8.8647143181866E+42

Nth Root

y√n
2√n 19713.62424822
3√n 729.75595833249
4√n 140.40521446235
5√n 52.228384149427

Divisors of 388626981

1, 3, 5179, 15537, 25013, 75039, 129542327, 388626981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388626980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388626981 can be divided by 8 positive divisors. The sum of these divisors (counting 388626981) is 1, the average is 0.125.

Base conversion 388626981

Base System Value
2 Binary 10111001010011111101000100101
3 Ternary 1000002021021222220
4 Quaternary 113022133220211
5 Quinary 1243442030411
6 Senary 102321342553
8 Octal 2712375045
10 Decimal 388626981
12 Duodecimal aa197a59
16 Hexadecimal 1729fa25
20 Vigesimal 618i791
36 Base36 6fdmhx

Cryptographic Hash Functions

md5 57235126376f8fd5a47edc547410a031
sha1 a85276a609baa7d33100acb6f37df6826b7bb95d
sha256 e084200fd258597ec37bcbd78342a3c64333857ee5fb56bff98e80bacb18c731
sha512 1ecc12b5f8cd5c4b9d9aa3ce4d641b6928174c1db3276701ec080143d70907616dabd0d0374ccbd27838c3595f7c5a9e1c5cc27fb28d783bd8c4a927782a6c63
ripemd-160 40d28b4d648af1b9edd1a38107f0b05ab347f622

388626981 as geometric shapes

Circle

Radius = n
Diameter 777253962
Circumference 2441815336.9928
Area 4.744776612875E+17

Sphere

Radius = n
Volume 2.458597614108E+26
Surface area 1.89791064515E+18
Circumference 2441815336.9928

Square

Length = n
Perimeter 1554507924
Area 151030930361174361
Diagonal 549601547.23431

Cube

Length = n
Surface area 906185582167046166
Volume 5.8694694503884E+25
Space diagonal 673121676.2841

Equilateral Triangle

Length = n
Perimeter 1165880943
Area 6.5398311224988E+16
Altitude 336560838.14205

Triangular Pyramid

Length = n
Surface area 6.5398311224988E+16
Volume 6.9172360838949E+24
Height 183200515.74477