388640689 (number)

388640689 is an odd 9-digits composite number following 388640688 and preceding 388640690. In scientific notation, it is written as 3.88640689 × 10^8. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 364042560 positive integers (up to 388640689) that are relatively prime to 388640689.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.88640689 × 10^8
Engineering notation 3.88640689 × 10^6

Prime Factorization of 388640689

Prime Factorization 211 × 17 × 108347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 388640689
Product of the distinct prime numbers

The prime factorization of 388640689 is 211 × 17 × 108347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 64, 54, 81, 71, 9453, 6421, 28786, 49187, 466281, 681563, 8477275, 3526549, 48487250, 88530148, 612075523, 433659610, 2334049190, 8624966346

Basic calculations (n = 388640689)

Multiplication

n×y
n×2 777281378
n×3 1165922067
n×4 1554562756
n×5 1943203445

Division

n÷y
n÷2 194320344.5
n÷3 129546896.33333
n÷3 97160172.25
n÷5 77728137.8

Exponentiation

ny
n2 151041585146394721
n3 5.8700905718947E+25
n4 2.2813560443536E+34
n5 8.8662778493188E+42

Nth Root

y√n
2√n 19713.971923486
3√n 729.7645384342
4√n 140.40645257069
5√n 52.228752593526

Divisors of 388640689

1, 17, 211, 3587, 108347, 1841899, 22861217, 388640689

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 -388640688
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 388640689 can be divided by 8 positive divisors. The sum of these divisors (counting 388640689) is 1, the average is 0.125.

Base conversion 388640689

Base System Value
2 Binary 10111001010100010111110110001
3 Ternary 1000002021222210121
4 Quaternary 113022202332301
5 Quinary 1243443000224
6 Senary 102321530241
8 Octal 2712427661
10 Decimal 388640689
12 Duodecimal aa1a3981
16 Hexadecimal 172a2fb1
20 Vigesimal 61901e9
36 Base36 6fdx2p

Cryptographic Hash Functions

md5 f77e0a68be67747c6109980141319b76
sha1 8239387d8f8ea1cefeb08835a5db7586735d7e65
sha256 616a2768e3d5e8bdc77f2245bf1b226b45c9ce4de7b38dcb294584c96b33508b
sha512 70119e720915cb01ae323e1b761ff6db9533940ad819b8c9bccdd01e20b3f88c5ceabaa8bc0ada1ffd68018c7e865658ecc89650d6c946dd9c92ed4991cddf3f
ripemd-160 778135cab00a721764efaf95ea29a255906a5c3b

388640689 as geometric shapes

Circle

Radius = n
Diameter 777281378
Circumference 2441901466.897
Area 4.7451113428247E+17

Sphere

Radius = n
Volume 2.4588577888761E+26
Surface area 1.8980445371299E+18
Circumference 2441901466.897

Square

Length = n
Perimeter 1554562756
Area 151041585146394721
Diagonal 549620933.27382

Cube

Length = n
Surface area 906249510878368326
Volume 5.8700905718947E+25
Space diagonal 673145419.23657

Equilateral Triangle

Length = n
Perimeter 1165922067
Area 6.5402924882324E+16
Altitude 336572709.61829

Triangular Pyramid

Length = n
Surface area 6.5402924882324E+16
Volume 6.9179680826099E+24
Height 183206977.75794