156749921 (number)

156749921 is an odd 9-digits composite number following 156749920 and preceding 156749922. In scientific notation, it is written as 1.56749921 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 153104532 positive integers (up to 156749921) that are relatively prime to 156749921.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million seven hundred forty-nine thousand nine hundred twenty-one

Notation

Scientific notation 1.56749921 × 10^8
Engineering notation 1.56749921 × 10^6

Prime Factorization of 156749921

Prime Factorization 43 × 3645347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156749921
Product of the distinct prime numbers

The prime factorization of 156749921 is 43 × 3645347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 55, 76, 576, 295, 2459, 9769, 95655, 23743, 307371, 244508, 9763832, 4204255, 39444429, 484951, 197205978, 379555626, 6653893668, 5558240809

Basic calculations (n = 156749921)

Multiplication

n×y
n×2 313499842
n×3 470249763
n×4 626999684
n×5 783749605

Division

n÷y
n÷2 78374960.5
n÷3 52249973.666667
n÷3 39187480.25
n÷5 31349984.2

Exponentiation

ny
n2 24570537733506241
n3 3.8514298486546E+24
n4 6.0371132451365E+32
n5 9.4631702424321E+40

Nth Root

y√n
2√n 12519.980870592
3√n 539.18248611507
4√n 111.89272036461
5√n 43.555345803121

Divisors of 156749921

1, 43, 3645347, 156749921

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 -156749920
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 156749921 can be divided by 4 positive divisors. The sum of these divisors (counting 156749921) is 1, the average is 0.25.

Base conversion 156749921

Base System Value
2 Binary 1001010101111101000001100001
3 Ternary 101220221201110122
4 Quaternary 21111331001201
5 Quinary 310111444141
6 Senary 23315410025
8 Octal 1125750141
10 Decimal 156749921
12 Duodecimal 445b3915
16 Hexadecimal 957d061
20 Vigesimal 28jdeg1
36 Base36 2lbp0h

Cryptographic Hash Functions

md5 854146df17a372ceb8f63092e31e0ed6
sha1 f4cf70112a51aa7ba919a7d6000604f3cec4c3f1
sha256 4bc5458ba93edc08930b1dc4fccbdcda067087d72c9f88803e4211bef2971630
sha512 c8f67a848233da17017f5364dba907edc797795c6a841fbc1a0e12474d2b9d8ca7141170ee574339e44994b8b2fce6752120ade448911032b62878f85faa3884
ripemd-160 5230c809424ea144b0e1ffe778d46be5602b971b

156749921 as geometric shapes

Circle

Radius = n
Diameter 313499842
Circumference 984888800.52876
Area 7.7190620838334E+16

Sphere

Radius = n
Volume 1.6132831624466E+25
Surface area 3.0876248335334E+17
Circumference 984888800.52876

Square

Length = n
Perimeter 626999684
Area 24570537733506241
Diagonal 221677864.17911

Cube

Length = n
Surface area 147423226401037446
Volume 3.8514298486546E+24
Space diagonal 271498827.25441

Equilateral Triangle

Length = n
Perimeter 470249763
Area 1.063935493093E+16
Altitude 135749413.6272

Triangular Pyramid

Length = n
Surface area 1.063935493093E+16
Volume 4.5389536054133E+23
Height 73892621.393037