388680981 (number)

388680981 is an odd 9-digits composite number following 388680980 and preceding 388680982. In scientific notation, it is written as 3.88680981 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 235910016 positive integers (up to 388680981) that are relatively prime to 388680981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88680981 × 10^8
Engineering notation 3.88680981 × 10^6

Prime Factorization of 388680981

Prime Factorization 3 × 949 × 136523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388680981
Product of the distinct prime numbers

The prime factorization of 388680981 is 3 × 949 × 136523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 8, 85, 988, 331, 3480, 4310, 26584, 69752, 709001, 973703, 450308, 1272935, 29171557, 78832705, 622485817, 849941341, 8375736882, 8133089412

Basic calculations (n = 388680981)

Multiplication

n×y
n×2 777361962
n×3 1166042943
n×4 1554723924
n×5 1943404905

Division

n÷y
n÷2 194340490.5
n÷3 129560327
n÷3 97170245.25
n÷5 77736196.2

Exponentiation

ny
n2 151072904991122361
n3 5.8719164914469E+25
n4 2.2823022622457E+34
n5 8.8708748222817E+42

Nth Root

y√n
2√n 19714.993811817
3√n 729.78975680645
4√n 140.41009155975
5√n 52.229835503111

Divisors of 388680981

1, 3, 949, 2847, 136523, 409569, 129560327, 388680981

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 -388680980
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 388680981 can be divided by 8 positive divisors. The sum of these divisors (counting 388680981) is 1, the average is 0.125.

Base conversion 388680981

Base System Value
2 Binary 10111001010101100110100010101
3 Ternary 1000002101001001220
4 Quaternary 113022230310111
5 Quinary 1244000242411
6 Senary 102322440553
8 Octal 2712546425
10 Decimal 388680981
12 Duodecimal aa203159
16 Hexadecimal 172acd15
20 Vigesimal 6195291
36 Base36 6fes5x

Cryptographic Hash Functions

md5 7558f983be19264dbc2b3326cbde5f41
sha1 937154266f12882f16645acb80fe90198fcf66ed
sha256 59e17f939f45ff44a6b295f2e85539cd1f72c1c2f98a7c7b646a486672d57f09
sha512 e83297b50130de5b3b96c01e7b21997df70554e79531ca95c282cb8f2297a7f12f24a41c4dba9d2c8dcf1759c187b7650877ae1e8e05e657af570f81c9150207
ripemd-160 9166b3bf990448ef1d2cafea4709da6282542c37

388680981 as geometric shapes

Circle

Radius = n
Diameter 777361962
Circumference 2442154628.9993
Area 4.7460952847658E+17

Sphere

Radius = n
Volume 2.4596226282697E+26
Surface area 1.8984381139063E+18
Circumference 2442154628.9993

Square

Length = n
Perimeter 1554723924
Area 151072904991122361
Diagonal 549677914.76668

Cube

Length = n
Surface area 906437429946734166
Volume 5.8719164914469E+25
Space diagonal 673215207.02771

Equilateral Triangle

Length = n
Perimeter 1166042943
Area 6.5416486772912E+16
Altitude 336607603.51386

Triangular Pyramid

Length = n
Surface area 6.5416486772912E+16
Volume 6.9201199494387E+24
Height 183225971.58889