156978621 (number)

156978621 is an odd 9-digits composite number following 156978620 and preceding 156978622. In scientific notation, it is written as 1.56978621 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors. There are 104565600 positive integers (up to 156978621) that are relatively prime to 156978621.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million nine hundred seventy-eight thousand six hundred twenty-one

Notation

Scientific notation 1.56978621 × 10^8
Engineering notation 1.56978621 × 10^6

Prime Factorization of 156978621

Prime Factorization 3 × 3 × 3 × 2351 × 2473

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 17442069
Product of the distinct prime numbers

The prime factorization of 156978621 is 3 × 3 × 3 × 2351 × 2473. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 12, 81, 983, 988, 8893, 1365, 1850, 86195, 269044, 921391, 5960495, 4077370, 86132391, 45615666, 98661465, 84032240, 5437446375, 9554188927

Basic calculations (n = 156978621)

Multiplication

n×y
n×2 313957242
n×3 470935863
n×4 627914484
n×5 784893105

Division

n÷y
n÷2 78489310.5
n÷3 52326207
n÷3 39244655.25
n÷5 31395724.2

Exponentiation

ny
n2 24642287451061641
n3 3.8683123023533E+24
n4 6.0724233082075E+32
n5 9.5324063705067E+40

Nth Root

y√n
2√n 12529.110942122
3√n 539.44458324319
4√n 111.93351125611
5√n 43.568047945816

Divisors of 156978621

1, 3, 9, 27, 2351, 2473, 7053, 7419, 21159, 22257, 63477, 66771, 5814023, 17442069, 52326207, 156978621

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -156978620
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 156978621 can be divided by 16 positive divisors. The sum of these divisors (counting 156978621) is 1, the average is 0.0625.

Base conversion 156978621

Base System Value
2 Binary 1001010110110100110110111101
3 Ternary 101221101100012000
4 Quaternary 21112310312331
5 Quinary 310141303441
6 Senary 23324332513
8 Octal 1126646675
10 Decimal 156978621
12 Duodecimal 446a4139
16 Hexadecimal 95b4dbd
20 Vigesimal 29126b1
36 Base36 2lglh9

Cryptographic Hash Functions

md5 71eff7d411367baf63bc21c49a13e7e9
sha1 5ea7fbad4c7938159b64620f914bf4719e4103c0
sha256 2503fe6f0fa15fb7b78c1a9e500f327abdfce4dd308dc5ccfb27470438ab6960
sha512 69a794d8f4f44b398a3a38692c13d3daf15a7f2a5dbb21734dd0cec87655cd94802ac4fd7a6e7c1fbd9b38206e231e6095e5c8b73cff3680b1272c3a0e34f37e
ripemd-160 d756e403d9070748a20c04976f3836476da10a6d

156978621 as geometric shapes

Circle

Radius = n
Diameter 313957242
Circumference 986325765.00851
Area 7.7416029223903E+16

Sphere

Radius = n
Volume 1.6203548681152E+25
Surface area 3.0966411689561E+17
Circumference 986325765.00851

Square

Length = n
Perimeter 627914484
Area 24642287451061641
Diagonal 222001294.82083

Cube

Length = n
Surface area 147853724706369846
Volume 3.8683123023533E+24
Space diagonal 271894947.2741

Equilateral Triangle

Length = n
Perimeter 470935863
Area 1.0670423469989E+16
Altitude 135947473.63705

Triangular Pyramid

Length = n
Surface area 1.0670423469989E+16
Volume 4.5588497679022E+23
Height 74000431.606942