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

147991 (number)

147991 is an odd 6-digits composite number following 147990 and preceding 147992. In scientific notation, it is written as 1.47991 × 10^5. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 140184 positive integers (up to 147991) that are relatively prime to 147991.

Interesting facts

147991 has 4 divisors, whose sum is 155800
The reverse of 147991 is 199741
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 31
Digital Root 4

Name

Name	one hundred forty-seven thousand nine hundred ninety-one

Notation

Scientific notation	1.47991 × 10^5
Engineering notation	1.47991 × 10^3

Prime Factorization of 147991

Prime Factorization 19 × 7789

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	147991	Product of the distinct prime numbers

The prime factorization of 147991 is 19 × 7789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 10, 75, 29, 208, 787, 4934, 9015, 59653, 41829, 319353, 728567, 4315966, 8422464, 886579, 78186323, 540419461, 836757900, 7760804585, 7964762109

Basic calculations (n = 147991)

Multiplication

n×y

n×2	295982
n×3	443973
n×4	591964
n×5	739955

Division

n÷y

n÷2	73995.5
n÷3	49330.333333333
n÷3	36997.75
n÷5	29598.2

Exponentiation

n^y

n²	21901336081
n³	3241200627963271
n⁴	4.7966852213291E+20
n⁵	7.0986624258972E+25

Nth Root

^y√n

²√n	384.69598386258
³√n	52.894652494571
⁴√n	19.613668291846
⁵√n	10.815511438434

Divisors of 147991

1, 19, 7789, 147991

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	-147990	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 147991 can be divided by 4 positive divisors. The sum of these divisors (counting 147991) is 1, the average is 0.25.

Base conversion 147991

Base	System	Value
2	Binary	100100001000010111
3	Ternary	21112000011
4	Quaternary	210020113
5	Quinary	14213431
6	Senary	3101051
8	Octal	441027
10	Decimal	147991
12	Duodecimal	71787
16	Hexadecimal	24217
20	Vigesimal	i9jb
36	Base36	366v

Cryptographic Hash Functions

md5	bf34951e0a65a3cac3513142131df49c
sha1	004c14d78081d22f66f23168736a01a4f58055d5
sha256	341e1e05911d909905072c4510a71aff5a7f5c732998f8993d31b211bfded852
sha512	6dac03cd0aa25f566deccf76e9016b2f67ad22f833800284b56237f34e3d20e00296b98cf3982fc45733351ec740bddaee9866e4d424d5de8b5c10182ede584b
ripemd-160	c9d51afaf578515acb43aa2b1b93126385072ae8

147991 as geometric shapes

Circle

Radius = n

Diameter	295982
Circumference	929854.87679481
Area	68805076535.871

Sphere

Radius = n

Volume	1.357670944216E+16
Surface area	275220306143.48
Circumference	929854.87679481

Square

Length = n

Perimeter	591964
Area	21901336081
Diagonal	209290.87930916

Cube

Length = n

Surface area	131408016486
Volume	3241200627963271
Space diagonal	256327.93106293

Equilateral Triangle

Length = n

Perimeter	443973
Area	9483556711.4834
Altitude	128163.96553146

Triangular Pyramid

Length = n

Surface area	9483556711.4834
Volume	3.8197915720315E+14
Height	69763.626436386