138839661 (number)

138839661 is an odd 9-digits composite number following 138839660 and preceding 138839662. In scientific notation, it is written as 1.38839661 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 87457920 positive integers (up to 138839661) that are relatively prime to 138839661.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million eight hundred thirty-nine thousand six hundred sixty-one

Notation

Scientific notation 1.38839661 × 10^8
Engineering notation 1.38839661 × 10^6

Prime Factorization of 138839661

Prime Factorization 23 × 9 × 83 × 8081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 138839661
Product of the distinct prime numbers

The prime factorization of 138839661 is 23 × 9 × 83 × 8081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 42, 73, 466, 640, 1581, 4686, 48993, 1617, 725100, 312051, 9684105, 2663540, 21221599, 69602348, 534645125, 346977769, 8213694963, 7074001513

Basic calculations (n = 138839661)

Multiplication

n×y
n×2 277679322
n×3 416518983
n×4 555358644
n×5 694198305

Division

n÷y
n÷2 69419830.5
n÷3 46279887
n÷3 34709915.25
n÷5 27767932.2

Exponentiation

ny
n2 19276451466594921
n3 2.676335986905E+24
n4 3.7158158114399E+32
n5 5.1590260759875E+40

Nth Root

y√n
2√n 11783.024272232
3√n 517.81089209678
4√n 108.54963966882
5√n 42.511135843622

Divisors of 138839661

1, 9, 23, 83, 207, 747, 1909, 8081, 17181, 72729, 185863, 670723, 1672767, 6036507, 15426629, 138839661

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138839660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138839661 can be divided by 16 positive divisors. The sum of these divisors (counting 138839661) is 1, the average is 0.0625.

Base conversion 138839661

Base System Value
2 Binary 1000010001101000011001101101
3 Ternary 100200020210012200
4 Quaternary 20101220121231
5 Quinary 241020332121
6 Senary 21435452113
8 Octal 1021503155
10 Decimal 138839661
12 Duodecimal 3a5b7039
16 Hexadecimal 846866d
20 Vigesimal 237ej31
36 Base36 2antd9

Cryptographic Hash Functions

md5 23bc8b7c14bf7cdadbb4d4b35f19e2d1
sha1 b07be6a4831bc27a02ba7813d59da785e73e7f2f
sha256 6c4a45164d93e6b944ff83405d2f277bbd33d2fe33920934b8c761dc67fb84d2
sha512 b5513ceb074a12ec57cb48d12b46ecef894080f4943ef60423d00a6560b4e967a5b990cde9598fcef2ee8e0f780b6566b419ae9bce55fcc7303e72b6a927016d
ripemd-160 41dbc6100fbd94ea9c7d7c80025b3a4bd0bc4e6a

138839661 as geometric shapes

Circle

Radius = n
Diameter 277679322
Circumference 872355318.04899
Area 6.0558758314735E+16

Sphere

Radius = n
Volume 1.1210609966665E+25
Surface area 2.4223503325894E+17
Circumference 872355318.04899

Square

Length = n
Perimeter 555358644
Area 19276451466594921
Diagonal 196348931.58148

Cube

Length = n
Surface area 115658708799569526
Volume 2.676335986905E+24
Space diagonal 240477346.95764

Equilateral Triangle

Length = n
Perimeter 416518983
Area 8.3469483324445E+15
Altitude 120238673.47882

Triangular Pyramid

Length = n
Surface area 8.3469483324445E+15
Volume 3.1540922084569E+23
Height 65449643.860494