Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

138870 (number)

138870 is an even 6-digits composite number following 138869 and preceding 138871. In scientific notation, it is written as 1.38870 × 10^5. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 37008 positive integers (up to 138870) that are relatively prime to 138870.

Interesting facts

138870 has 8 divisors, whose sum is 213072
The reverse of 138870 is 078831
Previous prime number is 45

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9

Name

Name	one hundred thirty-eight thousand eight hundred seventy

Notation

Scientific notation	1.38870 × 10^5
Engineering notation	1.38870 × 10^3

Prime Factorization of 138870

Prime Factorization 2 × 45 × 1543

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	138870	Product of the distinct prime numbers

The prime factorization of 138870 is 2 × 45 × 1543. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 70, 90, 857, 656, 8820, 5878, 45138, 16823, 554550, 602144, 7075309, 8579511, 32503946, 4361318, 776620616, 990214379, 5877551316, 569202919

Basic calculations (n = 138870)

Multiplication

n×y

n×2	277740
n×3	416610
n×4	555480
n×5	694350

Division

n÷y

n÷2	69435
n÷3	46290
n÷3	34717.5
n÷5	27774

Exponentiation

n^y

n²	19284876900
n³	2678090855103000
n⁴	3.7190647704815E+20
n⁵	5.1646652467677E+25

Nth Root

^y√n

²√n	372.65265328453
³√n	51.784860639346
⁴√n	19.304213355756
⁵√n	10.678781171904

Divisors of 138870

1, 2, 45, 90, 1543, 3086, 69435, 138870

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	-138869	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 138870 can be divided by 8 positive divisors. The sum of these divisors (counting 138870) is 1, the average is 0.125.

Base conversion 138870

Base	System	Value
2	Binary	100001111001110110
3	Ternary	21001111100
4	Quaternary	201321312
5	Quinary	13420440
6	Senary	2550530
8	Octal	417166
10	Decimal	138870
12	Duodecimal	68446
16	Hexadecimal	21e76
20	Vigesimal	h73a
36	Base36	2z5i

Cryptographic Hash Functions

md5	eec6a9b0bd3d099100f3faa701b687ca
sha1	d38a232018d2ebc9be70d4df3d78a04e355c5eb2
sha256	4fd11f5e01a85fffc2631e48693a9ff6a075fbcc638d3b20d339078aeced646c
sha512	0a75271f40918a1a35dbf563d855aa6910e43380c084d5e858b894e421fedacb060d46c7d0434cc7baed538614601d60f120eecf99c3978c0565cf906f161658
ripemd-160	14fec99d5e2936fd47bcf9b46acd341e35e2da9d

138870 as geometric shapes

Circle

Radius = n

Diameter	277740
Circumference	872545.94360803
Area	60585227594.424

Sphere

Radius = n

Volume	1.1217960741383E+16
Surface area	242340910377.69
Circumference	872545.94360803

Square

Length = n

Perimeter	555480
Area	19284876900
Diagonal	196391.83740675

Cube

Length = n

Surface area	115709261400
Volume	2678090855103000
Space diagonal	240529.89564709

Equilateral Triangle

Length = n

Perimeter	416610
Area	8350596652.1278
Altitude	120264.94782354

Triangular Pyramid

Length = n

Surface area	8350596652.1278
Volume	3.1561603404617E+14
Height	65463.945802251