138972661 (number)

138972661 is an odd 9-digits composite number following 138972660 and preceding 138972662. In scientific notation, it is written as 1.38972661 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 138903424 positive integers (up to 138972661) that are relatively prime to 138972661.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.38972661 × 10^8
Engineering notation 1.38972661 × 10^6

Prime Factorization of 138972661

Prime Factorization 2069 × 67169

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 138972661
Product of the distinct prime numbers

The prime factorization of 138972661 is 2069 × 67169. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 17, 84, 795, 322, 450, 9590, 98243, 74986, 748079, 409045, 9718983, 2422299, 25741910, 73703825, 220590466, 806861457, 7110838842, 3140141331

Basic calculations (n = 138972661)

Multiplication

n×y
n×2 277945322
n×3 416917983
n×4 555890644
n×5 694863305

Division

n÷y
n÷2 69486330.5
n÷3 46324220.333333
n÷3 34743165.25
n÷5 27794532.2

Exponentiation

ny
n2 19313400505420921
n3 2.6840346611971E+24
n4 3.7300743908279E+32
n5 5.1837836382131E+40

Nth Root

y√n
2√n 11788.666633678
3√n 517.97618316975
4√n 108.57562633335
5√n 42.519277344115

Divisors of 138972661

1, 2069, 67169, 138972661

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138972660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138972661 can be divided by 4 positive divisors. The sum of these divisors (counting 138972661) is 1, the average is 0.25.

Base conversion 138972661

Base System Value
2 Binary 1000010010001000110111110101
3 Ternary 100200111112122121
4 Quaternary 20102020313311
5 Quinary 241034111121
6 Senary 21442355541
8 Octal 1022106765
10 Decimal 138972661
12 Duodecimal 3a65bbb1
16 Hexadecimal 8488df5
20 Vigesimal 238bbd1
36 Base36 2aqnzp

Cryptographic Hash Functions

md5 6d425455bf18937b0a14fb11a6b11782
sha1 2ace0dbc0c846fe6af322dd722b14e8d0cfef5ed
sha256 000f3a7ef690cb144277657da7a5ce90807372aa8cc043e0250502eee0adb65c
sha512 ff93d851583d7e9c9d0d68c40db74ab2dfdacebdd91165f652ae1f00d01c40799492b62644d9b271fb0142fadf20fb66d9b8544ae1fa7e701de1bb01b9ec2f84
ripemd-160 55c2711ac094be18f49ce479b9e6206d95810383

138972661 as geometric shapes

Circle

Radius = n
Diameter 277945322
Circumference 873190981.69485
Area 6.0674837143668E+16

Sphere

Radius = n
Volume 1.124285809813E+25
Surface area 2.4269934857467E+17
Circumference 873190981.69485

Square

Length = n
Perimeter 555890644
Area 19313400505420921
Diagonal 196537021.98528

Cube

Length = n
Surface area 115880403032525526
Volume 2.6840346611971E+24
Space diagonal 240707709.71505

Equilateral Triangle

Length = n
Perimeter 416917983
Area 8.3629477355789E+15
Altitude 120353854.85752

Triangular Pyramid

Length = n
Surface area 8.3629477355789E+15
Volume 3.1631651831203E+23
Height 65512340.66176