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

127981 (number)

127981 is an odd 6-digits composite number following 127980 and preceding 127982. In scientific notation, it is written as 1.27981 × 10^5. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 107088 positive integers (up to 127981) that are relatively prime to 127981.

Interesting facts

127981 has 8 divisors, whose sum is 149760
The reverse of 127981 is 189721
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 28
Digital Root 1

Name

Name	one hundred twenty-seven thousand nine hundred eighty-one

Notation

Scientific notation	1.27981 × 10^5
Engineering notation	1.27981 × 10^3

Prime Factorization of 127981

Prime Factorization 7 × 47 × 389

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	127981	Product of the distinct prime numbers

The prime factorization of 127981 is 7 × 47 × 389. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 40, 85, 623, 844, 4944, 782, 44055, 28446, 491753, 932021, 829023, 1900944, 65704404, 38974204, 401234946, 379258288, 380358517, 4779517880

Basic calculations (n = 127981)

Multiplication

n×y

n×2	255962
n×3	383943
n×4	511924
n×5	639905

Division

n÷y

n÷2	63990.5
n÷3	42660.333333333
n÷3	31995.25
n÷5	25596.2

Exponentiation

n^y

n²	16379136361
n³	2096218250617141
n⁴	2.6827610793223E+20
n⁵	3.4334244569275E+25

Nth Root

^y√n

²√n	357.74432210728
³√n	50.394348278659
⁴√n	18.914130223388
⁵√n	10.505799298918

Divisors of 127981

1, 7, 47, 329, 389, 2723, 18283, 127981

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	-127980	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 127981 can be divided by 8 positive divisors. The sum of these divisors (counting 127981) is 1, the average is 0.125.

Base conversion 127981

Base	System	Value
2	Binary	11111001111101101
3	Ternary	20111120001
4	Quaternary	133033231
5	Quinary	13043411
6	Senary	2424301
8	Octal	371755
10	Decimal	127981
12	Duodecimal	62091
16	Hexadecimal	1f3ed
20	Vigesimal	fjj1
36	Base36	2qr1

Cryptographic Hash Functions

md5	bf80ed004cf28a31171c98d6b379ccab
sha1	3792d1db60e1eefd07565dca8f70a1e7b6268b48
sha256	24db762af9849c8763dea34f51a22caf1304d44d8d6fb5dc50faf61a7f45356c
sha512	3208dfc28dd298c73ab695e70c8f146cc3e4d93a834077ed61c449ce022e200b8bfcda6139214a78a235000f09d1003a9cee49e4d57b09208f36bbc79cc66f2e
ripemd-160	4ad369f1b0a9a38c2eee806f1750d8293acddaa4

127981 as geometric shapes

Circle

Radius = n

Diameter	255962
Circumference	804128.33879815
Area	51456574463.863

Sphere

Radius = n

Volume	8.7806184752795E+15
Surface area	205826297855.45
Circumference	804128.33879815

Square

Length = n

Perimeter	511924
Area	16379136361
Diagonal	180992.46592607

Cube

Length = n

Surface area	98274818166
Volume	2096218250617141
Space diagonal	221669.59440347

Equilateral Triangle

Length = n

Perimeter	383943
Area	7092374090.3377
Altitude	110834.79720174

Triangular Pyramid

Length = n

Surface area	7092374090.3377
Volume	2.470416899764E+14
Height	60330.821975357