157065981 (number)

157065981 is an odd 9-digits composite number following 157065980 and preceding 157065982. In scientific notation, it is written as 1.57065981 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 104710652 positive integers (up to 157065981) that are relatively prime to 157065981.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.57065981 × 10^8
Engineering notation 1.57065981 × 10^6

Prime Factorization of 157065981

Prime Factorization 3 × 52355327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157065981
Product of the distinct prime numbers

The prime factorization of 157065981 is 3 × 52355327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157065981)

Multiplication

n×y
n×2 314131962
n×3 471197943
n×4 628263924
n×5 785329905

Division

n÷y
n÷2 78532990.5
n÷3 52355327
n÷3 39266495.25
n÷5 31413196.2

Exponentiation

ny
n2 24669722387492361
n3 3.8747741477891E+24
n4 6.0859520267594E+32
n5 9.5589602540191E+40

Nth Root

y√n
2√n 12532.596738107
3√n 539.54463325681
4√n 111.94908100608
5√n 43.572896068031

Divisors of 157065981

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 -157065980
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 157065981 can be divided by 4 positive divisors. The sum of these divisors (counting 157065981) is 1, the average is 0.25.

Base conversion 157065981

Base System Value
2 Binary 1001010111001010001011111101
3 Ternary 101221112210000120
4 Quaternary 21113022023331
5 Quinary 310202102411
6 Senary 23330245153
8 Octal 1127121375
10 Decimal 157065981
12 Duodecimal 447267b9
16 Hexadecimal 95ca2fd
20 Vigesimal 291d4j1
36 Base36 2ligvx

Cryptographic Hash Functions

md5 58717551a9a551187e9eafba6f405f5f
sha1 ff7741244cbfaffb36991ed2241ebe3147eda81d
sha256 1e2a587ac8f96a8027b1ae6dc90e5714d420df2cf7da9c59c20bc4da72f7d910
sha512 7ad0c7d72c3aedad88ff23a39ca39422efba1829e3cbaaff07fdb8f176a4723857e1ca9ce1597f04a45913683da7a0aaae2ab7cdf0fe5342436a588d7ec4ff72
ripemd-160 ac08f29c3da5ed7924c805ca90206fc4451f3995

157065981 as geometric shapes

Circle

Radius = n
Diameter 314131962
Circumference 986874664.07695
Area 7.7502218618646E+16

Sphere

Radius = n
Volume 1.6230615996019E+25
Surface area 3.1000887447458E+17
Circumference 986874664.07695

Square

Length = n
Perimeter 628263924
Area 24669722387492361
Diagonal 222124840.51763

Cube

Length = n
Surface area 148018334324954166
Volume 3.8747741477891E+24
Space diagonal 272046259.23265

Equilateral Triangle

Length = n
Perimeter 471197943
Area 1.0682303145939E+16
Altitude 136023129.61632

Triangular Pyramid

Length = n
Surface area 1.0682303145939E+16
Volume 4.5664651257801E+23
Height 74041613.505878