157066981 (number)

157066981 is an odd 9-digits composite number following 157066980 and preceding 157066982. In scientific notation, it is written as 1.57066981 × 10^8. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 154287840 positive integers (up to 157066981) that are relatively prime to 157066981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57066981 × 10^8
Engineering notation 1.57066981 × 10^6

Prime Factorization of 157066981

Prime Factorization 283 × 71 × 7817

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157066981
Product of the distinct prime numbers

The prime factorization of 157066981 is 283 × 71 × 7817. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 3, 14, 42, 93, 478, 4401, 4453, 21678, 70893, 548676, 535848, 5689541, 1947687, 94802090, 6714611, 862905196, 32752593, 1442287961, 3920732306

Basic calculations (n = 157066981)

Multiplication

n×y
n×2 314133962
n×3 471200943
n×4 628267924
n×5 785334905

Division

n÷y
n÷2 78533490.5
n÷3 52355660.333333
n÷3 39266745.25
n÷5 31413396.2

Exponentiation

ny
n2 24670036520454361
n3 3.8748481574275E+24
n4 6.0861070192055E+32
n5 9.5592645554952E+40

Nth Root

y√n
2√n 12532.636634005
3√n 539.54577830316
4√n 111.94925919364
5√n 43.572951551446

Divisors of 157066981

1, 71, 283, 7817, 20093, 555007, 2212211, 157066981

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 -157066980
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 157066981 can be divided by 8 positive divisors. The sum of these divisors (counting 157066981) is 1, the average is 0.125.

Base conversion 157066981

Base System Value
2 Binary 1001010111001010011011100101
3 Ternary 101221112211101121
4 Quaternary 21113022123211
5 Quinary 310202120411
6 Senary 23330253541
8 Octal 1127123345
10 Decimal 157066981
12 Duodecimal 447272b1
16 Hexadecimal 95ca6e5
20 Vigesimal 291d791
36 Base36 2lihnp

Cryptographic Hash Functions

md5 e8c7fa991c5912133b8466a378122925
sha1 f44d6181e79baa1004c2176428b52977ebe0b508
sha256 1173a62b53b840a4e6f0db2f59fb0b45915fb98fe42bffccfd99cec88dccfb85
sha512 e50b44f741ba7f491c55fdb7eb41b9a8f740a736d7c3c7823758d3ada092d17963b4e6d6dde28cf5c354abe7ef828dc1b67a2ddcbb7b3624b03094e0c7ad7192
ripemd-160 d41316c806c5574e028ade5c8ef42b1bf5eb89be

157066981 as geometric shapes

Circle

Radius = n
Diameter 314133962
Circumference 986880947.26226
Area 7.7503205496451E+16

Sphere

Radius = n
Volume 1.6230926006867E+25
Surface area 3.1001282198581E+17
Circumference 986880947.26226

Square

Length = n
Perimeter 628267924
Area 24670036520454361
Diagonal 222126254.7312

Cube

Length = n
Surface area 148020219122726166
Volume 3.8748481574275E+24
Space diagonal 272047991.28346

Equilateral Triangle

Length = n
Perimeter 471200943
Area 1.0682439169502E+16
Altitude 136023995.64173

Triangular Pyramid

Length = n
Surface area 1.0682439169502E+16
Volume 4.5665523469753E+23
Height 74042084.910399