157042991 (number)

157042991 is an odd 9-digits composite number following 157042990 and preceding 157042992. In scientific notation, it is written as 1.57042991 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 126689472 positive integers (up to 157042991) that are relatively prime to 157042991.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million forty-two thousand nine hundred ninety-one

Notation

Scientific notation 1.57042991 × 10^8
Engineering notation 1.57042991 × 10^6

Prime Factorization of 157042991

Prime Factorization 17 × 7 × 7 × 188527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 22434713
Product of the distinct prime numbers

The prime factorization of 157042991 is 17 × 7 × 7 × 188527. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 79, 1, 603, 610, 7689, 9582, 45819, 7919, 92576, 609536, 4339608, 1765139, 54942306, 66778800, 70136290, 17200573, 6373029195, 4824148755

Basic calculations (n = 157042991)

Multiplication

n×y
n×2 314085982
n×3 471128973
n×4 628171964
n×5 785214955

Division

n÷y
n÷2 78521495.5
n÷3 52347663.666667
n÷3 39260747.75
n÷5 31408598.2

Exponentiation

ny
n2 24662501022226081
n3 3.8730729260709E+24
n4 6.082389566713E+32
n5 9.5519664998381E+40

Nth Root

y√n
2√n 12531.67949638
3√n 539.51830730068
4√n 111.94498423949
5√n 43.57162042638

Divisors of 157042991

1, 7, 17, 49, 119, 833, 188527, 1319689, 3204959, 9237823, 22434713, 157042991

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157042990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157042991 can be divided by 12 positive divisors. The sum of these divisors (counting 157042991) is 1, the average is 0.083333333333333.

Base conversion 157042991

Base System Value
2 Binary 1001010111000100100100101111
3 Ternary 101221111121111002
4 Quaternary 21113010210233
5 Quinary 310200333431
6 Senary 23325550515
8 Octal 1127044457
10 Decimal 157042991
12 Duodecimal 4471543b
16 Hexadecimal 95c492f
20 Vigesimal 291a79b
36 Base36 2lhz5b

Cryptographic Hash Functions

md5 c4b91d680db1267ace647187fe1b3cef
sha1 209686dd950dc88146827812f9e17ea770cc0c29
sha256 ecb08202bca42b16c387d712b8b8cffa2df9ac4de173210592542fb39b84c564
sha512 0018196aae9c6580694e01bda99698360ddd728105749d3873b37a45af66e54af619e8a1950e48e78bcadf6e24ec977dd38c6a59c62498bcf8fa5bf4843a2965
ripemd-160 dcfe9d52dc57baed4b0b2c1d82ef79571d5a8b5b

157042991 as geometric shapes

Circle

Radius = n
Diameter 314085982
Circumference 986730213.64674
Area 7.7479532030576E+16

Sphere

Radius = n
Volume 1.6223489935149E+25
Surface area 3.099181281223E+17
Circumference 986730213.64674

Square

Length = n
Perimeter 628171964
Area 24662501022226081
Diagonal 222092327.74784

Cube

Length = n
Surface area 147975006133356486
Volume 3.8730729260709E+24
Space diagonal 272006439.38458

Equilateral Triangle

Length = n
Perimeter 471128973
Area 1.0679176203054E+16
Altitude 136003219.69229

Triangular Pyramid

Length = n
Surface area 1.0679176203054E+16
Volume 4.564460216758E+23
Height 74030775.915945