388628949 (number)

388628949 is an odd 9-digits composite number following 388628948 and preceding 388628950. In scientific notation, it is written as 3.88628949 × 10^8. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 259085964 positive integers (up to 388628949) that are relatively prime to 388628949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88628949 × 10^8
Engineering notation 3.88628949 × 10^6

Prime Factorization of 388628949

Prime Factorization 3 × 129542983

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 388628949
Product of the distinct prime numbers

The prime factorization of 388628949 is 3 × 129542983. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 388628949)

Multiplication

n×y
n×2 777257898
n×3 1165886847
n×4 1554515796
n×5 1943144745

Division

n÷y
n÷2 194314474.5
n÷3 129542983
n÷3 97157237.25
n÷5 77725789.8

Exponentiation

ny
n2 151032460000844601
n3 5.8695586195013E+25
n4 2.2810803973907E+34
n5 8.8649387742244E+42

Nth Root

y√n
2√n 19713.674162875
3√n 729.75719015407
4√n 140.40539221438
5√n 52.228437046039

Divisors of 388628949

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -388628948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 388628949 can be divided by 4 positive divisors. The sum of these divisors (counting 388628949) is 1, the average is 0.25.

Base conversion 388628949

Base System Value
2 Binary 10111001010100000000111010101
3 Ternary 1000002021101200210
4 Quaternary 113022200013111
5 Quinary 1243442111244
6 Senary 102321400033
8 Octal 2712400725
10 Decimal 388628949
12 Duodecimal aa199019
16 Hexadecimal 172a01d5
20 Vigesimal 618ic79
36 Base36 6fdo0l

Cryptographic Hash Functions

md5 24aa9eb538b3fc52a0faa0e4ba5e8ce7
sha1 ff4f584864e62df91bed660cdbd43dfedbe6632e
sha256 e58014fc667551dffdac83e369036699809655058767682df854c11a9a7df288
sha512 0a7793418a3c9905560bdfb75f64604fa070c65ec22c19f2e00c8fca4dfe9c0aea6f3e7c513fdca2b72534e71a70107575f933c8d0453dce63017225ba4620ee
ripemd-160 51cf5f1eecd65d4e7a3c248538357193a55d21cc

388628949 as geometric shapes

Circle

Radius = n
Diameter 777257898
Circumference 2441827702.3014
Area 4.7448246679225E+17

Sphere

Radius = n
Volume 2.4586349651786E+26
Surface area 1.897929867169E+18
Circumference 2441827702.3014

Square

Length = n
Perimeter 1554515796
Area 151032460000844601
Diagonal 549604330.4066

Cube

Length = n
Surface area 906194760005067606
Volume 5.8695586195013E+25
Space diagonal 673125084.96009

Equilateral Triangle

Length = n
Perimeter 1165886847
Area 6.5398973578394E+16
Altitude 336562542.48005

Triangular Pyramid

Length = n
Surface area 6.5398973578394E+16
Volume 6.9173411707022E+24
Height 183201443.46887