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

157989 (number)

157989 is an odd 6-digits composite number following 157988 and preceding 157990. In scientific notation, it is written as 1.57989 × 10^5. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 97200 positive integers (up to 157989) that are relatively prime to 157989.

Interesting facts

157989 has 4 divisors, whose sum is 162080
The reverse of 157989 is 989751
Previous prime number is 39

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 39
Digital Root 3

Name

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

Notation

Scientific notation	1.57989 × 10^5
Engineering notation	1.57989 × 10^3

Prime Factorization of 157989

Prime Factorization 39 × 4051

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	157989	Product of the distinct prime numbers

The prime factorization of 157989 is 39 × 4051. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 66, 19, 248, 785, 3299, 8156, 54849, 66986, 650042, 399428, 228189, 4127446, 36798426, 72397925, 516112559, 347524927, 6755258907, 5020340542

Basic calculations (n = 157989)

Multiplication

n×y

n×2	315978
n×3	473967
n×4	631956
n×5	789945

Division

n÷y

n÷2	78994.5
n÷3	52663
n÷3	39497.25
n÷5	31597.8

Exponentiation

n^y

n²	24960524121
n³	3943488245352669
n⁴	6.2302776439502E+20
n⁵	9.8431533469005E+25

Nth Root

^y√n

²√n	397.47830129455
³√n	54.059947143535
⁴√n	19.936857859115
⁵√n	10.957850476373

Divisors of 157989

1, 39, 4051, 157989

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	-157988	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 157989 can be divided by 4 positive divisors. The sum of these divisors (counting 157989) is 1, the average is 0.25.

Base conversion 157989

Base	System	Value
2	Binary	100110100100100101
3	Ternary	22000201110
4	Quaternary	212210211
5	Quinary	20023424
6	Senary	3215233
8	Octal	464445
10	Decimal	157989
12	Duodecimal	77519
16	Hexadecimal	26925
20	Vigesimal	jej9
36	Base36	3dwl

Cryptographic Hash Functions

md5	5e92179708a9f096d6fa797b268eb358
sha1	6663f9d5e726e804d40a152640665d3bf8275e98
sha256	a9a1183ccd6d41d8c6c1aa8173f9d0b4395c79f69f76b3271615dd6994e91cb9
sha512	4f894e97c5636843e7a51a3fcb210ff8aa1e291776cdda57fcacafd1a8d43d8630a3192a9a49c1f6e18ecbc86597b7aae05affc61132550b1a72f919f31ee603
ripemd-160	5e769a660f84c568943a53f379d69b1aa181991c

157989 as geometric shapes

Circle

Radius = n

Diameter	315978
Circumference	992674.163496
Area	78415799208.284

Sphere

Radius = n

Volume	1.6518444934824E+16
Surface area	313663196833.14
Circumference	992674.163496

Square

Length = n

Perimeter	631956
Area	24960524121
Diagonal	223430.18650576

Cube

Length = n

Surface area	149763144726
Volume	3943488245352669
Space diagonal	273644.975037

Equilateral Triangle

Length = n

Perimeter	473967
Area	10808223990.28
Altitude	136822.4875185

Triangular Pyramid

Length = n

Surface area	10808223990.28
Volume	4.6474454663639E+14
Height	74476.728835254