156913221 (number)

156913221 is an odd 9-digits composite number following 156913220 and preceding 156913222. In scientific notation, it is written as 1.56913221 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 104608812 positive integers (up to 156913221) that are relatively prime to 156913221.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million nine hundred thirteen thousand two hundred twenty-one

Notation

Scientific notation 1.56913221 × 10^8
Engineering notation 1.56913221 × 10^6

Prime Factorization of 156913221

Prime Factorization 3 × 52304407

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156913221
Product of the distinct prime numbers

The prime factorization of 156913221 is 3 × 52304407. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 156913221)

Multiplication

n×y
n×2 313826442
n×3 470739663
n×4 627652884
n×5 784566105

Division

n÷y
n÷2 78456610.5
n÷3 52304407
n÷3 39228305.25
n÷5 31382644.2

Exponentiation

ny
n2 24621758924594841
n3 3.8634794995437E+24
n4 6.0623101254087E+32
n5 9.5125660847879E+40

Nth Root

y√n
2√n 12526.500748413
3√n 539.36965886596
4√n 111.9218510766
5√n 43.564417100709

Divisors of 156913221

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 -156913220
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 156913221 can be divided by 4 positive divisors. The sum of these divisors (counting 156913221) is 1, the average is 0.25.

Base conversion 156913221

Base System Value
2 Binary 1001010110100100111001000101
3 Ternary 101221021000110210
4 Quaternary 21112210321011
5 Quinary 310132210341
6 Senary 23323110033
8 Octal 1126447105
10 Decimal 156913221
12 Duodecimal 44672319
16 Hexadecimal 95a4e45
20 Vigesimal 290e311
36 Base36 2lf70l

Cryptographic Hash Functions

md5 83d6caead6a46135bc091c8411f63b02
sha1 d883f09c728485dec7cfffecaa5689fc745d55c9
sha256 a068a851da3a16829935406cff156f366845da2444928efcf10aa87fac6e9370
sha512 1aa87f7031e0333f0f6b32bce3fc2714912a2f97e7901e864b610b74731a7b63d8e6514f6c557b2df524dd02122d5c9e5a65c3ccc36fb285f4eca260a2d25cdd
ripemd-160 cb56aa085975ede3baf001f5b782668b95c79947

156913221 as geometric shapes

Circle

Radius = n
Diameter 313826442
Circumference 985914844.68942
Area 7.7351536955966E+16

Sphere

Radius = n
Volume 1.6183305084082E+25
Surface area 3.0940614782386E+17
Circumference 985914844.68942

Square

Length = n
Perimeter 627652884
Area 24621758924594841
Diagonal 221908805.25385

Cube

Length = n
Surface area 147730553547569046
Volume 3.8634794995437E+24
Space diagonal 271781671.15128

Equilateral Triangle

Length = n
Perimeter 470739663
Area 1.0661534357278E+16
Altitude 135890835.57564

Triangular Pyramid

Length = n
Surface area 1.0661534357278E+16
Volume 4.5531542551709E+23
Height 73969601.751282