138971640 (number)

138971640 is an even 9-digits composite number following 138971639 and preceding 138971641. In scientific notation, it is written as 1.38971640 × 10^8. The sum of its digits is 39. It has a total of 7 prime factors and 64 positive divisors. There are 36959360 positive integers (up to 138971640) that are relatively prime to 138971640.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million nine hundred seventy-one thousand six hundred forty

Notation

Scientific notation 1.38971640 × 10^8
Engineering notation 1.38971640 × 10^6

Prime Factorization of 138971640

Prime Factorization 2 × 2 × 2 × 5 × 3 × 431 × 2687

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 34742910
Product of the distinct prime numbers

The prime factorization of 138971640 is 2 × 2 × 2 × 5 × 3 × 431 × 2687. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 7, 17, 19, 767, 951, 9752, 2610, 91735, 37159, 658443, 362192, 882087, 2399936, 16829598, 81516071, 48817878, 341956679, 5995517846, 9231508143

Basic calculations (n = 138971640)

Multiplication

n×y
n×2 277943280
n×3 416914920
n×4 555886560
n×5 694858200

Division

n÷y
n÷2 69485820
n÷3 46323880
n÷3 34742910
n÷5 27794328

Exponentiation

ny
n2 19313116724289600
n3 2.683975504686E+24
n4 3.7299647760603E+32
n5 5.1835932207134E+40

Nth Root

y√n
2√n 11788.623329295
3√n 517.9749146829
4√n 108.57542691279
5√n 42.519214868072

Divisors of 138971640

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1293, 1724, 2155, 2586, 2687, 3448, 4310, 5172, 5374, 6465, 8061, 8620, 10344, 10748, 12930, 13435, 16122, 17240, 21496, 25860, 26870, 32244, 40305, 51720, 53740, 64488, 80610, 107480, 161220, 322440, 1158097, 2316194, 3474291, 4632388, 5790485, 6948582, 9264776, 11580970, 13897164, 17371455, 23161940, 27794328, 34742910, 46323880, 69485820, 138971640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138971639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138971640 can be divided by 64 positive divisors. The sum of these divisors (counting 138971640) is 1, the average is 0.015625.

Base conversion 138971640

Base System Value
2 Binary 1000010010001000100111111000
3 Ternary 100200111111020210
4 Quaternary 20102020213320
5 Quinary 241034043030
6 Senary 21442351120
8 Octal 1022104770
10 Decimal 138971640
12 Duodecimal 3a65b4a0
16 Hexadecimal 84889f8
20 Vigesimal 238b920
36 Base36 2aqn7c

Cryptographic Hash Functions

md5 a03976a5704129979620a4bb06cdd672
sha1 d369a50c9284a3fdb27c236efcb897bf062663f5
sha256 e2e49f60f9450e4be584093ebf6dd56f123731dad1ccb9f6085b3d9cb3ff9fd3
sha512 05306aaf567fea238f7d58aacbcc5eeceff592faee707c1fa9f6d9c9ca715e2ae045ae99281f62a8f00294e049a78f2241fa9cd5cde67ca4f19c843b473a48ff
ripemd-160 043b9d40adc06a073dc26a272d9f97be29a53dcc

138971640 as geometric shapes

Circle

Radius = n
Diameter 277943280
Circumference 873184566.56265
Area 6.067394561895E+16

Sphere

Radius = n
Volume 1.1242610303915E+25
Surface area 2.426957824758E+17
Circumference 873184566.56265

Square

Length = n
Perimeter 555886560
Area 19313116724289600
Diagonal 196535578.07323

Cube

Length = n
Surface area 115878700345737600
Volume 2.683975504686E+24
Space diagonal 240705941.29117

Equilateral Triangle

Length = n
Perimeter 416914920
Area 8.3628248547444E+15
Altitude 120352970.64559

Triangular Pyramid

Length = n
Surface area 8.3628248547444E+15
Volume 3.1630954665034E+23
Height 65511859.357744