388640898 (number)

388640898 is an even 9-digits composite number following 388640897 and preceding 388640899. In scientific notation, it is written as 3.88640898 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 129546960 positive integers (up to 388640898) that are relatively prime to 388640898.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million six hundred forty thousand eight hundred ninety-eight

Notation

Scientific notation 3.88640898 × 10^8
Engineering notation 3.88640898 × 10^6

Prime Factorization of 388640898

Prime Factorization 2 × 9 × 21591161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388640898
Product of the distinct prime numbers

The prime factorization of 388640898 is 2 × 9 × 21591161. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 7, 57, 43, 848, 921, 3709, 8490, 58469, 47927, 234329, 385230, 8057136, 3056432, 23812671, 86566787, 916308002, 165097434, 4396772591, 5623399027

Basic calculations (n = 388640898)

Multiplication

n×y
n×2 777281796
n×3 1165922694
n×4 1554563592
n×5 1943204490

Division

n÷y
n÷2 194320449
n÷3 129546966
n÷3 97160224.5
n÷5 77728179.6

Exponentiation

ny
n2 151041747598246404
n3 5.8701000422072E+25
n4 2.2813609517532E+34
n5 8.8663016895151E+42

Nth Root

y√n
2√n 19713.977224294
3√n 729.76466924977
4√n 140.40647144735
5√n 52.228758210955

Divisors of 388640898

1, 2, 9, 18, 21591161, 43182322, 194320449, 388640898

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 -388640897
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 388640898 can be divided by 8 positive divisors. The sum of these divisors (counting 388640898) is 1, the average is 0.125.

Base conversion 388640898

Base System Value
2 Binary 10111001010100011000010000010
3 Ternary 1000002022000002100
4 Quaternary 113022203002002
5 Quinary 1243443002043
6 Senary 102321531230
8 Octal 2712430202
10 Decimal 388640898
12 Duodecimal aa1a3b16
16 Hexadecimal 172a3082
20 Vigesimal 619024i
36 Base36 6fdx8i

Cryptographic Hash Functions

md5 fb4c4404cec6ebb61d766d8f345e57ac
sha1 889ed1154fc6cf3fb69c4e0842aa6c2076dcb063
sha256 851aac24a1af3c3ccabc81d4e39aa61f2a9a9cb826e09f5170ae440d5fb5c097
sha512 2e6a5dc69234b4ded727be5f1734220ab80c16b8524d471c45d02747cf8afba4d71c06d445acf19b0d2c6e94f40c2165ab5fab05eb2defbb9b3d6aed3232b8e3
ripemd-160 a689b7e6acb02cef56e692680dd3c6e447a7ead6

388640898 as geometric shapes

Circle

Radius = n
Diameter 777281796
Circumference 2441902780.0827
Area 4.7451164464001E+17

Sphere

Radius = n
Volume 2.4588617557914E+26
Surface area 1.8980465785601E+18
Circumference 2441902780.0827

Square

Length = n
Perimeter 1554563592
Area 151041747598246404
Diagonal 549621228.84446

Cube

Length = n
Surface area 906250485589478424
Volume 5.8701000422072E+25
Space diagonal 673145781.23519

Equilateral Triangle

Length = n
Perimeter 1165922694
Area 6.5402995226039E+16
Altitude 336572890.6176

Triangular Pyramid

Length = n
Surface area 6.5402995226039E+16
Volume 6.9179792434802E+24
Height 183207076.28149