139611981 (number)

139611981 is an odd 9-digits composite number following 139611980 and preceding 139611982. In scientific notation, it is written as 1.39611981 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 86728320 positive integers (up to 139611981) that are relatively prime to 139611981.

Interesting facts

Basic properties

Name

Name one hundred thirty-nine million six hundred eleven thousand nine hundred eighty-one

Notation

Scientific notation 1.39611981 × 10^8
Engineering notation 1.39611981 × 10^6

Prime Factorization of 139611981

Prime Factorization 3 × 19 × 61 × 40153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 139611981
Product of the distinct prime numbers

The prime factorization of 139611981 is 3 × 19 × 61 × 40153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 30, 70, 65, 286, 8510, 8162, 62914, 17275, 753006, 269895, 2967385, 6259763, 27579963, 87895385, 91077541, 29481083, 9375986790, 9911778331

Basic calculations (n = 139611981)

Multiplication

n×y
n×2 279223962
n×3 418835943
n×4 558447924
n×5 698059905

Division

n÷y
n÷2 69805990.5
n÷3 46537327
n÷3 34902995.25
n÷5 27922396.2

Exponentiation

ny
n2 19491505238744361
n3 2.721247659053E+24
n4 3.79918776472E+32
n5 5.3041213002352E+40

Nth Root

y√n
2√n 11815.751393796
3√n 518.76925527791
4√n 108.7002823998
5√n 42.558326090452

Divisors of 139611981

1, 3, 19, 57, 61, 183, 1159, 3477, 40153, 120459, 762907, 2288721, 2449333, 7347999, 46537327, 139611981

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 -139611980
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 139611981 can be divided by 16 positive divisors. The sum of these divisors (counting 139611981) is 1, the average is 0.0625.

Base conversion 139611981

Base System Value
2 Binary 1000010100100100111101001101
3 Ternary 100201201000122010
4 Quaternary 20110210331031
5 Quinary 241220040411
6 Senary 21504211433
8 Octal 1024447515
10 Decimal 139611981
12 Duodecimal 3a909b79
16 Hexadecimal 8524f4d
20 Vigesimal 23cb9j1
36 Base36 2b4dal

Cryptographic Hash Functions

md5 3d56a1e945f454ce14c33dba0361ce55
sha1 b1d6514105d8c2edc2d9b22bd1065e68035b8711
sha256 a0c5c7ad38b8af92efa5f81e12fd7128187b501ab52e586cb9ca753fd9cca3a6
sha512 98b74f87834c5dd01942fad389dc990ae8d82840d7fd072bb62cb0b3c71e5d09e45e88b724851a387d845ff7463b47f2b193d912a9eb7677b792d1c8abf18186
ripemd-160 1b091961a3549a9eaee94147ad136533d6c531c3

139611981 as geometric shapes

Circle

Radius = n
Diameter 279223962
Circumference 877207947.72544
Area 6.1234369665446E+16

Sphere

Radius = n
Volume 1.1398735539039E+25
Surface area 2.4493747866178E+17
Circumference 877207947.72544

Square

Length = n
Perimeter 558447924
Area 19491505238744361
Diagonal 197441156.99997

Cube

Length = n
Surface area 116949031432466166
Volume 2.721247659053E+24
Space diagonal 241815044.43734

Equilateral Triangle

Length = n
Perimeter 418835943
Area 8.440069347375E+15
Altitude 120907522.21867

Triangular Pyramid

Length = n
Surface area 8.440069347375E+15
Volume 3.207021121674E+23
Height 65813718.999992