156939985 (number)

156939985 is an odd 9-digits composite number following 156939984 and preceding 156939986. In scientific notation, it is written as 1.56939985 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 125551984 positive integers (up to 156939985) that are relatively prime to 156939985.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million nine hundred thirty-nine thousand nine hundred eighty-five

Notation

Scientific notation 1.56939985 × 10^8
Engineering notation 1.56939985 × 10^6

Prime Factorization of 156939985

Prime Factorization 5 × 31387997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156939985
Product of the distinct prime numbers

The prime factorization of 156939985 is 5 × 31387997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 28, 79, 74, 767, 1506, 3122, 38690, 58583, 702314, 121679, 7185791, 5143329, 14448277, 3123346, 287151116, 818289648, 8709789670, 1611665896

Basic calculations (n = 156939985)

Multiplication

n×y
n×2 313879970
n×3 470819955
n×4 627759940
n×5 784699925

Division

n÷y
n÷2 78469992.5
n÷3 52313328.333333
n÷3 39234996.25
n÷5 31387997

Exponentiation

ny
n2 24630158891800225
n3 3.8654567670267E+24
n4 6.0664472703533E+32
n5 9.5206814361253E+40

Nth Root

y√n
2√n 12527.568998014
3√n 539.40032309508
4√n 111.92662327621
5√n 43.565903117643

Divisors of 156939985

1, 5, 31387997, 156939985

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 -156939984
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 156939985 can be divided by 4 positive divisors. The sum of these divisors (counting 156939985) is 1, the average is 0.25.

Base conversion 156939985

Base System Value
2 Binary 1001010110101011011011010001
3 Ternary 101221022101012001
4 Quaternary 21112223123101
5 Quinary 310134034420
6 Senary 23323434001
8 Octal 1126533321
10 Decimal 156939985
12 Duodecimal 44685901
16 Hexadecimal 95ab6d1
20 Vigesimal 290h9j5
36 Base36 2lfro1

Cryptographic Hash Functions

md5 869b375fb2b9c8e2717cb268566a5d0d
sha1 66f9b3e6033f1161042caaa78ef385b28b496bb0
sha256 e18846e3d5d2240bf5f3761355aa4715114fbf4602ed2a50dd95679a18596c5b
sha512 eb2f448837fd467d4c1f2d9b058013b6b0d26d677da8259379b98029669f9bf637a42b54752e4e7e65ead5d1972dd31cef0820ec637b9909fca01ccf70ac225f
ripemd-160 13047c665e7167b346b25ee507ecaf007bb99978

156939985 as geometric shapes

Circle

Radius = n
Diameter 313879970
Circumference 986083007.86098
Area 7.7377926231229E+16

Sphere

Radius = n
Volume 1.6191587442747E+25
Surface area 3.0951170492492E+17
Circumference 986083007.86098

Square

Length = n
Perimeter 627759940
Area 24630158891800225
Diagonal 221946655.26563

Cube

Length = n
Surface area 147780953350801350
Volume 3.8654567670267E+24
Space diagonal 271828027.7591

Equilateral Triangle

Length = n
Perimeter 470819955
Area 1.0665171649773E+16
Altitude 135914013.87955

Triangular Pyramid

Length = n
Surface area 1.0665171649773E+16
Volume 4.5554844872467E+23
Height 73982218.421877