388894865 (number)

388894865 is an odd 9-digits composite number following 388894864 and preceding 388894866. In scientific notation, it is written as 3.88894865 × 10^8. The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors. There are 310826880 positive integers (up to 388894865) that are relatively prime to 388894865.

Interesting facts

Basic properties

Name

Name three hundred eighty-eight million eight hundred ninety-four thousand eight hundred sixty-five

Notation

Scientific notation 3.88894865 × 10^8
Engineering notation 3.88894865 × 10^6

Prime Factorization of 388894865

Prime Factorization 5 × 1093 × 71161

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388894865
Product of the distinct prime numbers

The prime factorization of 388894865 is 5 × 1093 × 71161. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 31, 23, 677, 955, 297, 5409, 93021, 14680, 264903, 799834, 416952, 5516370, 17803581, 20180346, 104196163, 588212816, 3426960832, 4584929770

Basic calculations (n = 388894865)

Multiplication

n×y
n×2 777789730
n×3 1166684595
n×4 1555579460
n×5 1944474325

Division

n÷y
n÷2 194447432.5
n÷3 129631621.66667
n÷3 97223716.25
n÷5 77778973

Exponentiation

ny
n2 151239216023368225
n3 5.8816154498114E+25
n4 2.2873300463363E+34
n5 8.895309095804E+42

Nth Root

y√n
2√n 19720.417465155
3√n 729.9235955564
4√n 140.42940384818
5√n 52.235582461974

Divisors of 388894865

1, 5, 1093, 5465, 71161, 355805, 77778973, 388894865

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 -388894864
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 388894865 can be divided by 8 positive divisors. The sum of these divisors (counting 388894865) is 1, the average is 0.125.

Base conversion 388894865

Base System Value
2 Binary 10111001011100001000010010001
3 Ternary 1000002202220110112
4 Quaternary 113023201002101
5 Quinary 1244024113430
6 Senary 102331211105
8 Octal 2713410221
10 Decimal 388894865
12 Duodecimal aa2a6a95
16 Hexadecimal 172e1091
20 Vigesimal 61abh35
36 Base36 6fjd75

Cryptographic Hash Functions

md5 70599bf8951efab6df10141920b76011
sha1 aeac1b57b2d18bb6291abfb5dcf086595ed59714
sha256 a00cc5e870a643bb83221d987f0871883a1d06141d9d3e857e7c8ed36337463d
sha512 9b872110e39f66feceec58d40d45ca4ac6b6afd8173586bcef1651415d92d3208aed6fd35b3fea857414ffebc8548129d92edd3cb2e6d93d714e155decad59d8
ripemd-160 3734e693c00b412681326ad135eb23e40e76c65a

388894865 as geometric shapes

Circle

Radius = n
Diameter 777789730
Circumference 2443498501.8056
Area 4.7513200999369E+17

Sphere

Radius = n
Volume 2.463685318449E+26
Surface area 1.9005280399748E+18
Circumference 2443498501.8056

Square

Length = n
Perimeter 1555579460
Area 151239216023368225
Diagonal 549980392.42025

Cube

Length = n
Surface area 907435296140209350
Volume 5.8816154498114E+25
Space diagonal 673585664.98264

Equilateral Triangle

Length = n
Perimeter 1166684595
Area 6.548850156234E+16
Altitude 336792832.49132

Triangular Pyramid

Length = n
Surface area 6.548850156234E+16
Volume 6.9315502814886E+24
Height 183326797.47342