388701981 (number)

388701981 is an odd 9-digits composite number following 388701980 and preceding 388701982. In scientific notation, it is written as 3.88701981 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 245138400 positive integers (up to 388701981) that are relatively prime to 388701981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88701981 × 10^8
Engineering notation 3.88701981 × 10^6

Prime Factorization of 388701981

Prime Factorization 3 × 3 × 19 × 971 × 2341

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 129567327
Product of the distinct prime numbers

The prime factorization of 388701981 is 3 × 3 × 19 × 971 × 2341. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 88, 36, 940, 171, 443, 4550, 23981, 84072, 562510, 799074, 8332333, 6795089, 47259946, 88147310, 567519274, 535506752, 687020163, 7506070539

Basic calculations (n = 388701981)

Multiplication

n×y
n×2 777403962
n×3 1166105943
n×4 1554807924
n×5 1943509905

Division

n÷y
n÷2 194350990.5
n÷3 129567327
n÷3 97175495.25
n÷5 77740396.2

Exponentiation

ny
n2 151089230033324361
n3 5.8728683021718E+25
n4 2.2827955432063E+34
n5 8.8732714986225E+42

Nth Root

y√n
2√n 19715.52639419
3√n 729.80289981202
4√n 140.4119880715
5√n 52.230399874869

Divisors of 388701981

1, 3, 9, 19, 57, 171, 971, 2341, 2913, 7023, 8739, 18449, 21069, 44479, 55347, 133437, 166041, 400311, 2273111, 6819333, 20457999, 43189109, 129567327, 388701981

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388701980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388701981 can be divided by 24 positive divisors. The sum of these divisors (counting 388701981) is 1, the average is 0.041666666666667.

Base conversion 388701981

Base System Value
2 Binary 10111001010110001111100011101
3 Ternary 1000002102002212200
4 Quaternary 113022301330131
5 Quinary 1244001430411
6 Senary 102323122113
8 Octal 2712617435
10 Decimal 388701981
12 Duodecimal aa213339
16 Hexadecimal 172b1f1d
20 Vigesimal 6197ej1
36 Base36 6ff8d9

Cryptographic Hash Functions

md5 f1b1342a6eababb38a51e5731b554f64
sha1 4e13cabcd12ea3a5db68c7bd53478c91f9289f89
sha256 114ad1abd838c76670d3ddab62d4c9a54a2e821c6713f9957815c4c047d61e62
sha512 f1141ae4b908e0d571b095a84a211c2eba56a041e81d616ff7f6a748f845a31fed97de5bdd7511b79f10ce7d8bdcf1f139da5d0d30e9e9343699ae808c7caf1c
ripemd-160 89236d6a39b80f74a0c1b1224a7168fe1c95f9fd

388701981 as geometric shapes

Circle

Radius = n
Diameter 777403962
Circumference 2442286575.8908
Area 4.7466081510923E+17

Sphere

Radius = n
Volume 2.4600213218138E+26
Surface area 1.8986432604369E+18
Circumference 2442286575.8908

Square

Length = n
Perimeter 1554807924
Area 151089230033324361
Diagonal 549707613.25149

Cube

Length = n
Surface area 906535380199946166
Volume 5.8728683021718E+25
Space diagonal 673251580.09467

Equilateral Triangle

Length = n
Perimeter 1166105943
Area 6.5423555723545E+16
Altitude 336625790.04734

Triangular Pyramid

Length = n
Surface area 6.5423555723545E+16
Volume 6.9212416691353E+24
Height 183235871.08383