157049781 (number)

157049781 is an odd 9-digits composite number following 157049780 and preceding 157049782. In scientific notation, it is written as 1.57049781 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 89624304 positive integers (up to 157049781) that are relatively prime to 157049781.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57049781 × 10^8
Engineering notation 1.57049781 × 10^6

Prime Factorization of 157049781

Prime Factorization 3 × 7 × 827 × 9043

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 157049781
Product of the distinct prime numbers

The prime factorization of 157049781 is 3 × 7 × 827 × 9043. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 32, 53, 514, 150, 626, 5492, 738, 66629, 312385, 973083, 990489, 6313356, 31685486, 30216943, 85567775, 335496374, 4961028200, 1964495110

Basic calculations (n = 157049781)

Multiplication

n×y
n×2 314099562
n×3 471149343
n×4 628199124
n×5 785248905

Division

n÷y
n÷2 78524890.5
n÷3 52349927
n÷3 39262445.25
n÷5 31409956.2

Exponentiation

ny
n2 24664633712147961
n3 3.8735753229381E+24
n4 6.0834415615443E+32
n5 9.5540316496682E+40

Nth Root

y√n
2√n 12531.95040686
3√n 539.52608282866
4√n 111.94619424911
5√n 43.571997197332

Divisors of 157049781

1, 3, 7, 21, 827, 2481, 5789, 9043, 17367, 27129, 63301, 189903, 7478561, 22435683, 52349927, 157049781

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157049780
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157049781 can be divided by 16 positive divisors. The sum of these divisors (counting 157049781) is 1, the average is 0.0625.

Base conversion 157049781

Base System Value
2 Binary 1001010111000110001110110101
3 Ternary 101221111221210120
4 Quaternary 21113012032311
5 Quinary 310201043111
6 Senary 23330042153
8 Octal 1127061665
10 Decimal 157049781
12 Duodecimal 44719359
16 Hexadecimal 95c63b5
20 Vigesimal 291b491
36 Base36 2li4dx

Cryptographic Hash Functions

md5 4260f23fa311add41e3ee7ccadb0aaf1
sha1 80483068b8816a4616f336340ad60060426bb9b1
sha256 7baaf290928cc6f783962d18294a63b93c78bf98b2187033d0860590acab673e
sha512 941687c69b4a3a88eb223b6dc95b35a34a12714896eb5f44e8365cd42e8181ac067504459df1cafaa88e957d3c4f30e250b033d3156b1a2327d7afd7f1e69010
ripemd-160 3cac4685f6877885543e6a1d19b080f2b0025847

157049781 as geometric shapes

Circle

Radius = n
Diameter 314099562
Circumference 986772876.47497
Area 7.7486232073567E+16

Sphere

Radius = n
Volume 1.6225594370225E+25
Surface area 3.0994492829427E+17
Circumference 986772876.47497

Square

Length = n
Perimeter 628199124
Area 24664633712147961
Diagonal 222101930.25792

Cube

Length = n
Surface area 147987802272887766
Volume 3.8735753229381E+24
Space diagonal 272018200.00957

Equilateral Triangle

Length = n
Perimeter 471149343
Area 1.0680099684879E+16
Altitude 136009100.00478

Triangular Pyramid

Length = n
Surface area 1.0680099684879E+16
Volume 4.5650522971439E+23
Height 74033976.752641