157029981 (number)

157029981 is an odd 9-digits composite number following 157029980 and preceding 157029982. In scientific notation, it is written as 1.57029981 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 104569920 positive integers (up to 157029981) that are relatively prime to 157029981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57029981 × 10^8
Engineering notation 1.57029981 × 10^6

Prime Factorization of 157029981

Prime Factorization 3 × 911 × 57457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157029981
Product of the distinct prime numbers

The prime factorization of 157029981 is 3 × 911 × 57457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157029981)

Multiplication

n×y
n×2 314059962
n×3 471089943
n×4 628119924
n×5 785149905

Division

n÷y
n÷2 78514990.5
n÷3 52343327
n÷3 39257495.25
n÷5 31405996.2

Exponentiation

ny
n2 24658414932860361
n3 3.8721104283972E+24
n4 6.0803742700111E+32
n5 9.5480105609273E+40

Nth Root

y√n
2√n 12531.160401176
3√n 539.50340835067
4√n 111.94266568729
5√n 43.570898476851

Divisors of 157029981

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 -157029980
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 157029981 can be divided by 8 positive divisors. The sum of these divisors (counting 157029981) is 1, the average is 0.125.

Base conversion 157029981

Base System Value
2 Binary 1001010111000001011001011101
3 Ternary 101221110221122020
4 Quaternary 21113001121131
5 Quinary 310144424411
6 Senary 23325410353
8 Octal 1127013135
10 Decimal 157029981
12 Duodecimal 447099b9
16 Hexadecimal 95c165d
20 Vigesimal 2918ej1
36 Base36 2lhp3x

Cryptographic Hash Functions

md5 d77d4e3fec92d561bb97c9e8cde37338
sha1 45f63310c12b83dc67eead8454af8a1c6dd47e24
sha256 5b3829b80cde0f2d33d72a2ce434dd234c460538ec48fff0f26a4cd1025e6224
sha512 70ddadcf066c6e61129729a89b6bd0ffe9bbea5d3912b54662daaf891655e49eddfd8aa40603d4a343b8bcffe12e0d9f9d35eae655610095a2c7890d049de324
ripemd-160 f672254b59fef2862cb29fba69f62eabcfb64c39

157029981 as geometric shapes

Circle

Radius = n
Diameter 314059962
Circumference 986648469.40589
Area 7.7466695202243E+16

Sphere

Radius = n
Volume 1.6219458234321E+25
Surface area 3.0986678080897E+17
Circumference 986648469.40589

Square

Length = n
Perimeter 628119924
Area 24658414932860361
Diagonal 222073928.82939

Cube

Length = n
Surface area 147950489597162166
Volume 3.8721104283972E+24
Space diagonal 271983905.40358

Equilateral Triangle

Length = n
Perimeter 471089943
Area 1.0677406874457E+16
Altitude 135991952.70179

Triangular Pyramid

Length = n
Surface area 1.0677406874457E+16
Volume 4.5633259023713E+23
Height 74024642.94313