138021231 (number)

138021231 is an odd 9-digits composite number following 138021230 and preceding 138021232. In scientific notation, it is written as 1.38021231 × 10^8. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 90718040 positive integers (up to 138021231) that are relatively prime to 138021231.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million twenty-one thousand two hundred thirty-one

Notation

Scientific notation 1.38021231 × 10^8
Engineering notation 1.38021231 × 10^6

Prime Factorization of 138021231

Prime Factorization 3 × 71 × 647987

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 138021231
Product of the distinct prime numbers

The prime factorization of 138021231 is 3 × 71 × 647987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 64, 20, 665, 406, 1146, 4414, 67187, 72826, 550096, 47225, 1883073, 8596904, 58132500, 24990235, 851129880, 3830592, 3547697664, 6168048103

Basic calculations (n = 138021231)

Multiplication

n×y
n×2 276042462
n×3 414063693
n×4 552084924
n×5 690106155

Division

n÷y
n÷2 69010615.5
n÷3 46007077
n÷3 34505307.75
n÷5 27604246.2

Exponentiation

ny
n2 19049860206755361
n3 2.6292851561143E+24
n4 3.6289717389692E+32
n5 5.0087514667674E+40

Nth Root

y√n
2√n 11748.243741087
3√n 516.79142493088
4√n 108.38931562238
5√n 42.460898443902

Divisors of 138021231

1, 3, 71, 213, 647987, 1943961, 46007077, 138021231

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -138021230
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138021231 can be divided by 8 positive divisors. The sum of these divisors (counting 138021231) is 1, the average is 0.125.

Base conversion 138021231

Base System Value
2 Binary 1000001110100000100101101111
3 Ternary 100121201012112110
4 Quaternary 20032200211233
5 Quinary 240313134411
6 Senary 21410135103
8 Octal 1016404557
10 Decimal 138021231
12 Duodecimal 3a281493
16 Hexadecimal 83a096f
20 Vigesimal 232cd1b
36 Base36 2a69v3

Cryptographic Hash Functions

md5 8a111e437e4fcf2415681db7724dba5e
sha1 59b61bccc8652175344ee8ac3b7d84fc53416732
sha256 39384e30792dacc46edbbde94da7f0cf1947e2408204c5c60284802b172eb446
sha512 30361a36790f05be6132f513d4c785d6c615e755e6893e7e83ccec305173af2db91e8b6662512706abd56abecd1275eb213f55148ab6dd6b9d502f5601d4d965
ripemd-160 9d698a204ed3efddd403c85870b582eb81b0e787

138021231 as geometric shapes

Circle

Radius = n
Diameter 276042462
Circumference 867212970.69804
Area 5.9846900877455E+16

Sphere

Radius = n
Volume 1.1013523907522E+25
Surface area 2.3938760350982E+17
Circumference 867212970.69804

Square

Length = n
Perimeter 552084924
Area 19049860206755361
Diagonal 195191496.77563

Cube

Length = n
Surface area 114299161240532166
Volume 2.6292851561143E+24
Space diagonal 239059784.6152

Equilateral Triangle

Length = n
Perimeter 414063693
Area 8.2488314387962E+15
Altitude 119529892.3076

Triangular Pyramid

Length = n
Surface area 8.2488314387962E+15
Volume 3.0986422726026E+23
Height 65063832.258543