138375981 (number)

138375981 is an odd 9-digits composite number following 138375980 and preceding 138375982. In scientific notation, it is written as 1.38375981 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 87839136 positive integers (up to 138375981) that are relatively prime to 138375981.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million three hundred seventy-five thousand nine hundred eighty-one

Notation

Scientific notation 1.38375981 × 10^8
Engineering notation 1.38375981 × 10^6

Prime Factorization of 138375981

Prime Factorization 9 × 23 × 239 × 2797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 138375981
Product of the distinct prime numbers

The prime factorization of 138375981 is 9 × 23 × 239 × 2797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 87, 15, 460, 192, 9041, 9765, 45177, 68067, 50309, 664068, 372562, 914746, 81621360, 13548069, 501765049, 597251498, 7431559848, 5548801755

Basic calculations (n = 138375981)

Multiplication

n×y
n×2 276751962
n×3 415127943
n×4 553503924
n×5 691879905

Division

n÷y
n÷2 69187990.5
n÷3 46125327
n÷3 34593995.25
n÷5 27675196.2

Exponentiation

ny
n2 19147912117712361
n3 2.6496111233902E+24
n4 3.6664253846764E+32
n5 5.0734520936789E+40

Nth Root

y√n
2√n 11763.332053462
3√n 517.23380834941
4√n 108.45889568616
5√n 42.482703120094

Divisors of 138375981

1, 9, 23, 207, 239, 2151, 2797, 5497, 25173, 49473, 64331, 578979, 668483, 6016347, 15375109, 138375981

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 -138375980
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 138375981 can be divided by 16 positive divisors. The sum of these divisors (counting 138375981) is 1, the average is 0.0625.

Base conversion 138375981

Base System Value
2 Binary 1000001111110111001100101101
3 Ternary 100122101020011100
4 Quaternary 20033313030231
5 Quinary 240411012411
6 Senary 21421513313
8 Octal 1017671455
10 Decimal 138375981
12 Duodecimal 3a412839
16 Hexadecimal 83f732d
20 Vigesimal 234gjj1
36 Base36 2advl9

Cryptographic Hash Functions

md5 71f9a9eb339c7062312d3dc935db39be
sha1 1137d331640d010ce3bff69134536d50764bcef5
sha256 d2a41c8dd2f342473ea697d92361aa012a5808f2f8f78bb468effe6817098543
sha512 799d862ff3e1a476a64ab762bfcae2a4850510628716292f68103d510a36db17c1f570681520902436f2b74ba98c56fffa2236999f50b42120ad14003706e2be
ripemd-160 1b147dbbdb38211aeffdf680db070e4afe98b1c4

138375981 as geometric shapes

Circle

Radius = n
Diameter 276751962
Circumference 869441930.68576
Area 6.0154940040588E+16

Sphere

Radius = n
Volume 1.109866512015E+25
Surface area 2.4061976016235E+17
Circumference 869441930.68576

Square

Length = n
Perimeter 553503924
Area 19147912117712361
Diagonal 195693189.03688

Cube

Length = n
Surface area 114887472706274166
Volume 2.6496111233902E+24
Space diagonal 239674229.63919

Equilateral Triangle

Length = n
Perimeter 415127943
Area 8.2912891616854E+15
Altitude 119837114.81959

Triangular Pyramid

Length = n
Surface area 8.2912891616854E+15
Volume 3.1225966547609E+23
Height 65231063.012294