388680991 (number)

388680991 is an odd 9-digits composite number following 388680990 and preceding 388680992. In scientific notation, it is written as 3.88680991 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 386746080 positive integers (up to 388680991) that are relatively prime to 388680991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88680991 × 10^8
Engineering notation 3.88680991 × 10^6

Prime Factorization of 388680991

Prime Factorization 941 × 317 × 1303

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388680991
Product of the distinct prime numbers

The prime factorization of 388680991 is 941 × 317 × 1303. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 8, 67, 27, 488, 564, 9322, 9070, 89157, 62602, 875753, 674039, 595288, 4462479, 29795198, 59668508, 252175311, 414773200, 3489178304, 9596786004

Basic calculations (n = 388680991)

Multiplication

n×y
n×2 777361982
n×3 1166042973
n×4 1554723964
n×5 1943404955

Division

n÷y
n÷2 194340495.5
n÷3 129560330.33333
n÷3 97170247.75
n÷5 77736198.2

Exponentiation

ny
n2 151072912764742081
n3 5.8719169446656E+25
n4 2.2823024971223E+34
n5 8.8708759634328E+42

Nth Root

y√n
2√n 19714.994065432
3√n 729.78976306514
4√n 140.41009246287
5√n 52.229835771865

Divisors of 388680991

1, 317, 941, 1303, 298297, 413051, 1226123, 388680991

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 -388680990
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 388680991 can be divided by 8 positive divisors. The sum of these divisors (counting 388680991) is 1, the average is 0.125.

Base conversion 388680991

Base System Value
2 Binary 10111001010101100110100011111
3 Ternary 1000002101001002021
4 Quaternary 113022230310133
5 Quinary 1244000242431
6 Senary 102322441011
8 Octal 2712546437
10 Decimal 388680991
12 Duodecimal aa203167
16 Hexadecimal 172acd1f
20 Vigesimal 619529b
36 Base36 6fes67

Cryptographic Hash Functions

md5 105158c55c3bc9e6c2f620d82f60d376
sha1 15765dd0bd480dbfcebc72f3beef65ac04e4ad99
sha256 41e1b13f92b9749c7de7d6d0c6d7ee594f731432e017d09710b6b8099bde1623
sha512 a07cb5dc58aa593311ef7af26431fdfd92a3b382c829c92202300b87531493943a5573474fbc86fa36b48256a0575fb89feba83f9ce1699183c04078d1cda3d3
ripemd-160 4243ea2bebb4c1b00bb3a5381258ee6bd8294d36

388680991 as geometric shapes

Circle

Radius = n
Diameter 777361982
Circumference 2442154691.8312
Area 4.7460955289813E+17

Sphere

Radius = n
Volume 2.4596228181135E+26
Surface area 1.8984382115925E+18
Circumference 2442154691.8312

Square

Length = n
Perimeter 1554723964
Area 151072912764742081
Diagonal 549677928.90881

Cube

Length = n
Surface area 906437476588452486
Volume 5.8719169446656E+25
Space diagonal 673215224.34822

Equilateral Triangle

Length = n
Perimeter 1166042973
Area 6.5416490138989E+16
Altitude 336607612.17411

Triangular Pyramid

Length = n
Surface area 6.5416490138989E+16
Volume 6.9201204835621E+24
Height 183225976.30294