156987993 (number)

156987993 is an odd 9-digits composite number following 156987992 and preceding 156987994. In scientific notation, it is written as 1.56987993 × 10^8. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 104658660 positive integers (up to 156987993) that are relatively prime to 156987993.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million nine hundred eighty-seven thousand nine hundred ninety-three

Notation

Scientific notation 1.56987993 × 10^8
Engineering notation 1.56987993 × 10^6

Prime Factorization of 156987993

Prime Factorization 3 × 52329331

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156987993
Product of the distinct prime numbers

The prime factorization of 156987993 is 3 × 52329331. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 96, 83, 900, 290, 2208, 4738, 52845, 13016, 28709, 263614, 176975, 8963391, 46786018, 54886318, 167079889, 532462490, 545416155, 4508897812

Basic calculations (n = 156987993)

Multiplication

n×y
n×2 313975986
n×3 470963979
n×4 627951972
n×5 784939965

Division

n÷y
n÷2 78493996.5
n÷3 52329331
n÷3 39246998.25
n÷5 31397598.6

Exponentiation

ny
n2 24645229946168049
n3 3.8690051862724E+24
n4 6.073873590995E+32
n5 9.5352522478601E+40

Nth Root

y√n
2√n 12529.48494552
3√n 539.45531840784
4√n 111.93518189345
5√n 43.568568156774

Divisors of 156987993

1, 3, 52329331, 156987993

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 -156987992
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 156987993 can be divided by 4 positive divisors. The sum of these divisors (counting 156987993) is 1, the average is 0.25.

Base conversion 156987993

Base System Value
2 Binary 1001010110110111001001011001
3 Ternary 101221101211001010
4 Quaternary 21112313021121
5 Quinary 310142103433
6 Senary 23324444133
8 Octal 1126671131
10 Decimal 156987993
12 Duodecimal 446a9649
16 Hexadecimal 95b7259
20 Vigesimal 29139jd
36 Base36 2lgspl

Cryptographic Hash Functions

md5 8e535aab7cb238f97e6a08a165cbb8fd
sha1 dba466af948f4cdbcb7d0801a0ede865227f4085
sha256 8e9b4435d328687f5d16cd36ac7861bfe228e3f2994bfe0e90e8ca77daa05961
sha512 1b6ab202cc2afaeab625128dd6b3ffc1b542069ab34fa3ae55667d0fe1585e754bf7c1425d1ce501f0cba5d8fc93f06a57df69421ddcf643f2e37d0358a5c711
ripemd-160 ee3ac4d2ce328890b06fa26b4b019611e431f2e2

156987993 as geometric shapes

Circle

Radius = n
Diameter 313975986
Circumference 986384651.02121
Area 7.7425273344913E+16

Sphere

Radius = n
Volume 1.6206451026526E+25
Surface area 3.0970109337965E+17
Circumference 986384651.02121

Square

Length = n
Perimeter 627951972
Area 24645229946168049
Diagonal 222014548.83033

Cube

Length = n
Surface area 147871379677008294
Volume 3.8690051862724E+24
Space diagonal 271911180.05427

Equilateral Triangle

Length = n
Perimeter 470963979
Area 1.0671697607745E+16
Altitude 135955590.02713

Triangular Pyramid

Length = n
Surface area 1.0671697607745E+16
Volume 4.5596663394319E+23
Height 74004849.610111