1387922891 (number)

1387922891 is an odd 10-digits composite number following 1387922890 and preceding 1387922892. In scientific notation, it is written as 1.387922891 × 10^9. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 1306280352 positive integers (up to 1387922891) that are relatively prime to 1387922891.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-seven million nine hundred twenty-two thousand eight hundred ninety-one

Notation

Scientific notation 1.387922891 × 10^9
Engineering notation 1.387922891 × 10^9

Prime Factorization of 1387922891

Prime Factorization 17 × 81642523

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1387922891
Product of the distinct prime numbers

The prime factorization of 1387922891 is 17 × 81642523. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 2, 43, 29, 322, 133, 4525, 6298, 32072, 21988, 439359, 362180, 7126726, 1388980, 62353109, 17858235, 405076424, 396414914, 1548567349, 5714594029

Basic calculations (n = 1387922891)

Multiplication

n×y
n×2 2775845782
n×3 4163768673
n×4 5551691564
n×5 6939614455

Division

n÷y
n÷2 693961445.5
n÷3 462640963.66667
n÷3 346980722.75
n÷5 277584578.2

Exponentiation

ny
n2 1926329951361797881
n3 2.673597435114E+27
n4 3.7107470815135E+36
n5 5.1502308171441E+45

Nth Root

y√n
2√n 37254.83714902
3√n 1115.462855151
4√n 193.01512155533
5√n 67.37101148178

Divisors of 1387922891

1, 17, 81642523, 1387922891

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1387922890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387922891 can be divided by 4 positive divisors. The sum of these divisors (counting 1387922891) is 1, the average is 0.25.

Base conversion 1387922891

Base System Value
2 Binary 1010010101110100000010111001011
3 Ternary 10120201121210021112
4 Quaternary 1102232200113023
5 Quinary 10320302013031
6 Senary 345420000535
8 Octal 12256402713
10 Decimal 1387922891
12 Duodecimal 32899014b
16 Hexadecimal 52ba05cb
20 Vigesimal 11dea74b
36 Base36 myc05n

Cryptographic Hash Functions

md5 52c0a7d76f766064e1fbe1f1ba4bd15e
sha1 965dd6e3e8b36329c5caf5f22eafa04abc2a62b9
sha256 f52b1dfc984f12548327b6ccc37b91e1c0eb13f0134274f0c823fd4498fc3b39
sha512 de1a1e6e91695a0d54ed4048870af3a4726b33ceb02d9301b5d7e298801ce6ed600d53b6f8901137da3cdb375aecd012a047f10d5e0380bfe90308045bf782f2
ripemd-160 21f86b0627b2ed5c792dc8117c3aa7deddafc29d

1387922891 as geometric shapes

Circle

Radius = n
Diameter 2775845782
Circumference 8720576716.2294
Area 6.0517440235882E+18

Sphere

Radius = n
Volume 1.1199138747747E+28
Surface area 2.4206976094353E+19
Circumference 8720576716.2294

Square

Length = n
Perimeter 5551691564
Area 1926329951361797881
Diagonal 1962819375.9803

Cube

Length = n
Surface area 1.1557979708171E+19
Volume 2.673597435114E+27
Space diagonal 2403952964.1999

Equilateral Triangle

Length = n
Perimeter 4163768673
Area 8.3412533697508E+17
Altitude 1201976482.0999

Triangular Pyramid

Length = n
Surface area 8.3412533697508E+17
Volume 3.1508647942201E+26
Height 654273125.32676