156991009 (number)

156991009 is an odd 9-digits composite number following 156991008 and preceding 156991010. In scientific notation, it is written as 1.56991009 × 10^8. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 131281440 positive integers (up to 156991009) that are relatively prime to 156991009.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million nine hundred ninety-one thousand nine

Notation

Scientific notation 1.56991009 × 10^8
Engineering notation 1.56991009 × 10^6

Prime Factorization of 156991009

Prime Factorization 7 × 41 × 547007

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 156991009
Product of the distinct prime numbers

The prime factorization of 156991009 is 7 × 41 × 547007. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 156991009)

Multiplication

n×y
n×2 313982018
n×3 470973027
n×4 627964036
n×5 784955045

Division

n÷y
n÷2 78495504.5
n÷3 52330336.333333
n÷3 39247752.25
n÷5 31398201.8

Exponentiation

ny
n2 24646176906838081
n3 3.869228180597E+24
n4 6.0743403612316E+32
n5 9.5361682231917E+40

Nth Root

y√n
2√n 12529.605301046
3√n 539.4587729965
4√n 111.93571950475
5√n 43.568735560395

Divisors of 156991009

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 -156991008
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 156991009 can be divided by 8 positive divisors. The sum of these divisors (counting 156991009) is 1, the average is 0.125.

Base conversion 156991009

Base System Value
2 Binary 1001010110110111111000100001
3 Ternary 101221101222011211
4 Quaternary 21112313320201
5 Quinary 310142203014
6 Senary 23324510121
8 Octal 1126677041
10 Decimal 156991009
12 Duodecimal 446ab341
16 Hexadecimal 95b7e21
20 Vigesimal 2913ha9
36 Base36 2lgv1d

Cryptographic Hash Functions

md5 3c9132ec4a42160b6ea6d52a29607f90
sha1 d8a5900cd21ff056b351f28068b234056d311088
sha256 eb56292e7b1cdb0446ada105f3f3fa8c3dd956f6764dffd7e18ccec3bbc64cc3
sha512 1792b21732103232a33dfb7702fe970593b26356ed48365104c882794c8836cd28ad760a3be4f96fc27f7b1598f34c88b09ad3f113253267290e431e77377653
ripemd-160 75be61f0b1f132eecd85cf78e21be99bbf41a06a

156991009 as geometric shapes

Circle

Radius = n
Diameter 313982018
Circumference 986403601.1081
Area 7.7428248309597E+16

Sphere

Radius = n
Volume 1.6207385102968E+25
Surface area 3.0971299323839E+17
Circumference 986403601.1081

Square

Length = n
Perimeter 627964036
Area 24646176906838081
Diagonal 222018814.09844

Cube

Length = n
Surface area 147877061441028486
Volume 3.869228180597E+24
Space diagonal 271916403.9195

Equilateral Triangle

Length = n
Perimeter 470973027
Area 1.0672107653744E+16
Altitude 135958201.95975

Triangular Pyramid

Length = n
Surface area 1.0672107653744E+16
Volume 4.5599291407637E+23
Height 74006271.366146