138972487 (number)

138972487 is an odd 9-digits prime number following 138972486 and preceding 138972488. In scientific notation, it is written as 1.38972487 × 10^8. The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors. There are 138972486 positive integers (up to 138972487) that are relatively prime to 138972487.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million nine hundred seventy-two thousand four hundred eighty-seven

Notation

Scientific notation 1.38972487 × 10^8
Engineering notation 1.38972487 × 10^6

Prime Factorization of 138972487

Prime Factorization 138972487

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 138972487
Product of the distinct prime numbers

The prime factorization of 138972487 is 138972487. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 8, 27, 51, 662, 293, 2122, 9383, 2890, 39893, 836637, 156535, 51369, 5172320, 760902, 36520537, 45713968, 531351943, 2975295653, 4758192940

Basic calculations (n = 138972487)

Multiplication

n×y
n×2 277944974
n×3 416917461
n×4 555889948
n×5 694862435

Division

n÷y
n÷2 69486243.5
n÷3 46324162.333333
n÷3 34743121.75
n÷5 27794497.4

Exponentiation

ny
n2 19313352142965169
n3 2.6840245796146E+24
n4 3.7300557099818E+32
n5 5.1837511866472E+40

Nth Root

y√n
2√n 11788.659253707
3√n 517.97596699319
4√n 108.57559234794
5√n 42.519266696902

Divisors of 138972487

1, 138972487

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 138972488
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 69486244
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11788.65929612
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999856087
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138972487 can be divided by 2 positive divisors. The sum of these divisors (counting 138972487) is 138972488, the average is 69486244.

Base conversion 138972487

Base System Value
2 Binary 1000010010001000110101000111
3 Ternary 100200111112102011
4 Quaternary 20102020311013
5 Quinary 241034104422
6 Senary 21442355051
8 Octal 1022106507
10 Decimal 138972487
12 Duodecimal 3a65ba87
16 Hexadecimal 8488d47
20 Vigesimal 238bb47
36 Base36 2aqnuv

Cryptographic Hash Functions

md5 113ba148e0d6e71a19b84681a74019af
sha1 0269bd0d972c29616ddb2bf1a5a0135de4d146ed
sha256 6aaa2bd8b40196cc82de81066e99474cd340bee0595cedfbe9d8b8e53b8fc15b
sha512 af5042b256a2a15984d9b80d094494c14d0667569005b821fc971b8d2ef180c5f0d572af1fb936dd08fe872d801839f8f4a887890571a13661e4fefd54b4a427
ripemd-160 f8f1794e8ed56b702523f035f31005d89d6c5096

138972487 as geometric shapes

Circle

Radius = n
Diameter 277944974
Circumference 873189888.42061
Area 6.0674685208532E+16

Sphere

Radius = n
Volume 1.1242815868496E+25
Surface area 2.4269874083413E+17
Circumference 873189888.42061

Square

Length = n
Perimeter 555889948
Area 19313352142965169
Diagonal 196536775.91212

Cube

Length = n
Surface area 115880112857791014
Volume 2.6840245796146E+24
Space diagonal 240707408.33821

Equilateral Triangle

Length = n
Perimeter 416917461
Area 8.3629267940212E+15
Altitude 120353704.1691

Triangular Pyramid

Length = n
Surface area 8.3629267940212E+15
Volume 3.1631533018615E+23
Height 65512258.637373