1388691921 (number)

1388691921 is an odd 10-digits composite number following 1388691920 and preceding 1388691922. In scientific notation, it is written as 1.388691921 × 10^9. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 913112352 positive integers (up to 1388691921) that are relatively prime to 1388691921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.388691921 × 10^9
Engineering notation 1.388691921 × 10^9

Prime Factorization of 1388691921

Prime Factorization 3 × 73 × 6341059

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1388691921
Product of the distinct prime numbers

The prime factorization of 1388691921 is 3 × 73 × 6341059. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 91, 49, 956, 29, 210, 4718, 73400, 93647, 615253, 180375, 2995594, 6134588, 45572852, 53086769, 251074263, 984778998, 9709961523, 4243445039

Basic calculations (n = 1388691921)

Multiplication

n×y
n×2 2777383842
n×3 4166075763
n×4 5554767684
n×5 6943459605

Division

n÷y
n÷2 694345960.5
n÷3 462897307
n÷3 347172980.25
n÷5 277738384.2

Exponentiation

ny
n2 1928465251450670241
n3 2.6780441146188E+27
n4 3.7189782260527E+36
n5 5.1645150168943E+45

Nth Root

y√n
2√n 37265.156929765
3√n 1115.6688382588
4√n 193.04185279303
5√n 67.378475707659

Divisors of 1388691921

1, 3, 73, 219, 6341059, 19023177, 462897307, 1388691921

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 -1388691920
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 1388691921 can be divided by 8 positive divisors. The sum of these divisors (counting 1388691921) is 1, the average is 0.125.

Base conversion 1388691921

Base System Value
2 Binary 1010010110001011100000111010001
3 Ternary 10120210001212012010
4 Quaternary 1102301130013101
5 Quinary 10321001120141
6 Senary 345444253133
8 Octal 12261340721
10 Decimal 1388691921
12 Duodecimal 3290a11a9
16 Hexadecimal 52c5c1d1
20 Vigesimal 11dj69g1
36 Base36 myshjl

Cryptographic Hash Functions

md5 43e19dc3a7d3dbcf4d16fc5e810825bf
sha1 a0829bf46dbcd1f94efb51d796ecf72c89e0ec1c
sha256 0cbae1759de17fbcb06baeb2b8e6dcf3fdba2df721b2e86cffef6e1b1bbd0ea4
sha512 fb4a687e3c440c4cac0318a3ee43f91fe4f585cbff2274e42af4b2435d8f8dc50ed4e9a72f4aa16c9b00fccbedcc2cb86d3118c4845db64124ea1fc9749e7b15
ripemd-160 ab0886402332df1080fb27802c4fea7477b5d09d

1388691921 as geometric shapes

Circle

Radius = n
Diameter 2777383842
Circumference 8725408674.2262
Area 6.0584522666606E+18

Sphere

Radius = n
Volume 1.1217764955301E+28
Surface area 2.4233809066642E+19
Circumference 8725408674.2262

Square

Length = n
Perimeter 5554767684
Area 1928465251450670241
Diagonal 1963906948.6361

Cube

Length = n
Surface area 1.1570791508704E+19
Volume 2.6780441146188E+27
Space diagonal 2405284963.2324

Equilateral Triangle

Length = n
Perimeter 4166075763
Area 8.3504994903591E+17
Altitude 1202642481.6162

Triangular Pyramid

Length = n
Surface area 8.3504994903591E+17
Volume 3.1561052562728E+26
Height 654635649.54538