138889781 (number)

138889781 is an odd 9-digits prime number following 138889780 and preceding 138889782. In scientific notation, it is written as 1.38889781 × 10^8. The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors. There are 138889780 positive integers (up to 138889781) that are relatively prime to 138889781.

Interesting facts

Basic properties

Name

Name one hundred thirty-eight million eight hundred eighty-nine thousand seven hundred eighty-one

Notation

Scientific notation 1.38889781 × 10^8
Engineering notation 1.38889781 × 10^6

Prime Factorization of 138889781

Prime Factorization 138889781

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 138889781
Product of the distinct prime numbers

The prime factorization of 138889781 is 138889781. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 8, 42, 61, 549, 104, 3461, 9844, 96039, 16038, 703795, 830382, 7439299, 2369036, 19749861, 86533914, 946649518, 382059560, 6801605245, 5984266771

Basic calculations (n = 138889781)

Multiplication

n×y
n×2 277779562
n×3 416669343
n×4 555559124
n×5 694448905

Division

n÷y
n÷2 69444890.5
n÷3 46296593.666667
n÷3 34722445.25
n÷5 27777956.2

Exponentiation

ny
n2 19290371266227961
n3 2.6792354405751E+24
n4 3.7211842358891E+32
n5 5.1683446358329E+40

Nth Root

y√n
2√n 11785.150868784
3√n 517.87319312193
4√n 108.55943472948
5√n 42.514204636097

Divisors of 138889781

1, 138889781

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 138889782
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 69444891
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11785.15091121
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999856001
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 138889781 can be divided by 2 positive divisors. The sum of these divisors (counting 138889781) is 138889782, the average is 69444891.

Base conversion 138889781

Base System Value
2 Binary 1000010001110100101000110101
3 Ternary 100200100022221222
4 Quaternary 20101310220311
5 Quinary 241023433111
6 Senary 21440520125
8 Octal 1021645065
10 Decimal 138889781
12 Duodecimal 3a620045
16 Hexadecimal 8474a35
20 Vigesimal 2381491
36 Base36 2aow1h

Cryptographic Hash Functions

md5 301579b985f376499e18a7876df15783
sha1 22705c5c7e91fcf8499bfc4a9575b3ae1ae5ec6f
sha256 037a669af87d890d0b4a0c8b3ee5367968c33113a9e86524c6e1f1f59638f76c
sha512 f29f6030ea6468b0041350d3c1b584bd332580acec3731c78fe8322823236b76de6764c7143da71801c89d70da2d4a9a81c12934454a93234cacf47dfb15f1e8
ripemd-160 3a0ba7e74dfb51b4c82b76f66383df458106dcdd

138889781 as geometric shapes

Circle

Radius = n
Diameter 277779562
Circumference 872670231.29659
Area 6.0602488655001E+16

Sphere

Radius = n
Volume 1.1222755169798E+25
Surface area 2.4240995462001E+17
Circumference 872670231.29659

Square

Length = n
Perimeter 555559124
Area 19290371266227961
Diagonal 196419811.96523

Cube

Length = n
Surface area 115742227597367766
Volume 2.6792354405751E+24
Space diagonal 240564157.34411

Equilateral Triangle

Length = n
Perimeter 416669343
Area 8.3529757824934E+15
Altitude 120282078.67206

Triangular Pyramid

Length = n
Surface area 8.3529757824934E+15
Volume 3.1575092473766E+23
Height 65473270.655076