157057981 (number)

157057981 is an odd 9-digits composite number following 157057980 and preceding 157057982. In scientific notation, it is written as 1.57057981 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 154483200 positive integers (up to 157057981) that are relatively prime to 157057981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57057981 × 10^8
Engineering notation 1.57057981 × 10^6

Prime Factorization of 157057981

Prime Factorization 61 × 2574721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157057981
Product of the distinct prime numbers

The prime factorization of 157057981 is 61 × 2574721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 8, 39, 11, 560, 254, 56, 6226, 54811, 36901, 829374, 572031, 4122732, 3323605, 24701861, 8131081, 840402926, 425605515, 9085922343, 8581394871

Basic calculations (n = 157057981)

Multiplication

n×y
n×2 314115962
n×3 471173943
n×4 628231924
n×5 785289905

Division

n÷y
n÷2 78528990.5
n÷3 52352660.333333
n÷3 39264495.25
n÷5 31411596.2

Exponentiation

ny
n2 24667209395796361
n3 3.874182104608E+24
n4 6.0847121937606E+32
n5 9.5565261211813E+40

Nth Root

y√n
2√n 12532.277566348
3√n 539.53547271098
4√n 111.947655475
5√n 43.572452190536

Divisors of 157057981

1, 61, 2574721, 157057981

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 -157057980
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 157057981 can be divided by 4 positive divisors. The sum of these divisors (counting 157057981) is 1, the average is 0.25.

Base conversion 157057981

Base System Value
2 Binary 1001010111001000001110111101
3 Ternary 101221112101001021
4 Quaternary 21113020032331
5 Quinary 310201323411
6 Senary 23330144141
8 Octal 1127101675
10 Decimal 157057981
12 Duodecimal 44722051
16 Hexadecimal 95c83bd
20 Vigesimal 291c4j1
36 Base36 2liapp

Cryptographic Hash Functions

md5 543a755de8668573d265980a3f5d7b51
sha1 9d09d90e892b20f08657c1a035e7e8cca0e83d09
sha256 cb4345dcea63199529b07a2da996c1d7f2a0c3b009a0dc4806f210e6f412f0d1
sha512 6aea347ad277c1d44eec74d3a0f7e638c6a69dd2c5830deef098309b2b5f88df1731116ef789ee65a0b8927a53d914db2567af4b7c5300a4e64d5ea7afe3017b
ripemd-160 be962ad5e8349c51a99800c27a48d09390b638df

157057981 as geometric shapes

Circle

Radius = n
Diameter 314115962
Circumference 986824398.59449
Area 7.7494323822395E+16

Sphere

Radius = n
Volume 1.6228136051341E+25
Surface area 3.0997729528958E+17
Circumference 986824398.59449

Square

Length = n
Perimeter 628231924
Area 24667209395796361
Diagonal 222113526.80914

Cube

Length = n
Surface area 148003256374778166
Volume 3.874182104608E+24
Space diagonal 272032402.82619

Equilateral Triangle

Length = n
Perimeter 471173943
Area 1.0681214988615E+16
Altitude 136016201.41309

Triangular Pyramid

Length = n
Surface area 1.0681214988615E+16
Volume 4.5657673961998E+23
Height 74037842.269712