388616921 (number)

388616921 is an odd 9-digits composite number following 388616920 and preceding 388616922. In scientific notation, it is written as 3.88616921 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 302818320 positive integers (up to 388616921) that are relatively prime to 388616921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88616921 × 10^8
Engineering notation 3.88616921 × 10^6

Prime Factorization of 388616921

Prime Factorization 11 × 7 × 5046973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388616921
Product of the distinct prime numbers

The prime factorization of 388616921 is 11 × 7 × 5046973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 50, 20, 63, 18, 1377, 732, 93181, 71446, 804208, 129483, 5584765, 2498190, 57067135, 55057031, 538912551, 239535659, 7418734156, 9609028621

Basic calculations (n = 388616921)

Multiplication

n×y
n×2 777233842
n×3 1165850763
n×4 1554467684
n×5 1943084605

Division

n÷y
n÷2 194308460.5
n÷3 129538973.66667
n÷3 97154230.25
n÷5 77723384.2

Exponentiation

ny
n2 151023111287520241
n3 5.8690136508396E+25
n4 2.2807980142963E+34
n5 8.8635670173873E+42

Nth Root

y√n
2√n 19713.36909308
3√n 729.74966145602
4√n 140.40430582101
5√n 52.228113749784

Divisors of 388616921

1, 7, 11, 77, 5046973, 35328811, 55516703, 388616921

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 -388616920
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 388616921 can be divided by 8 positive divisors. The sum of these divisors (counting 388616921) is 1, the average is 0.125.

Base conversion 388616921

Base System Value
2 Binary 10111001010011101001011011001
3 Ternary 1000002020210012022
4 Quaternary 113022131023121
5 Quinary 1243441220141
6 Senary 102321224225
8 Octal 2712351331
10 Decimal 388616921
12 Duodecimal aa192075
16 Hexadecimal 1729d2d9
20 Vigesimal 618h261
36 Base36 6fdeqh

Cryptographic Hash Functions

md5 165c49705e595b98d13d95751935a1eb
sha1 f3c4151f73705933d356040ddeacf3a8928852a4
sha256 94248c6dd1d6b92f7df3f4bb2c6183abc5e64c33b93f7479900518e8131c3452
sha512 8c2fdddefce62285f0ca6bc14c786c8a515ec397ddb0af8932dcd9c7530f2ec69e3dc2cb519f97f18fc1bb0fa731246237042bd34dcc90e79395560e6672c06a
ripemd-160 06d9bdac6e3c148b0bfdae187fa0ae804aa7da11

388616921 as geometric shapes

Circle

Radius = n
Diameter 777233842
Circumference 2441752128.1486
Area 4.7445309694315E+17

Sphere

Radius = n
Volume 2.4584066892395E+26
Surface area 1.8978123877726E+18
Circumference 2441752128.1486

Square

Length = n
Perimeter 1554467684
Area 151023111287520241
Diagonal 549587320.24587

Cube

Length = n
Surface area 906138667725121446
Volume 5.8690136508396E+25
Space diagonal 673104251.85298

Equilateral Triangle

Length = n
Perimeter 1165850763
Area 6.5394925466778E+16
Altitude 336552125.92649

Triangular Pyramid

Length = n
Surface area 6.5394925466778E+16
Volume 6.9166989189752E+24
Height 183195773.41529