156928721 (number)

156928721 is an odd 9-digits composite number following 156928720 and preceding 156928722. In scientific notation, it is written as 1.56928721 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 156774000 positive integers (up to 156928721) that are relatively prime to 156928721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.56928721 × 10^8
Engineering notation 1.56928721 × 10^6

Prime Factorization of 156928721

Prime Factorization 1021 × 153701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156928721
Product of the distinct prime numbers

The prime factorization of 156928721 is 1021 × 153701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 84, 59, 776, 454, 8328, 7867, 78822, 42819, 686993, 290021, 5379383, 6907555, 74297915, 39323960, 254490798, 178512956, 4068823363, 1218134661

Basic calculations (n = 156928721)

Multiplication

n×y
n×2 313857442
n×3 470786163
n×4 627714884
n×5 784643605

Division

n÷y
n÷2 78464360.5
n÷3 52309573.666667
n÷3 39232180.25
n÷5 31385744.2

Exponentiation

ny
n2 24626623474695841
n3 3.8646245244326E+24
n4 6.0647058376444E+32
n5 9.5172653034277E+40

Nth Root

y√n
2√n 12527.119421479
3√n 539.38741805455
4√n 111.92461490431
5√n 43.565277731549

Divisors of 156928721

1, 1021, 153701, 156928721

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 -156928720
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 156928721 can be divided by 4 positive divisors. The sum of these divisors (counting 156928721) is 1, the average is 0.25.

Base conversion 156928721

Base System Value
2 Binary 1001010110101000101011010001
3 Ternary 101221021210201212
4 Quaternary 21112220223101
5 Quinary 310133204341
6 Senary 23323305505
8 Octal 1126505321
10 Decimal 156928721
12 Duodecimal 4467b295
16 Hexadecimal 95a8ad1
20 Vigesimal 290g1g1
36 Base36 2lfiz5

Cryptographic Hash Functions

md5 0cd1be203f76b5dfc385356eb812c758
sha1 839690b0e958ca6cf4b336e4bafd5f3e48110410
sha256 a8515e672867818e84951bb638ec42a4f7357b301d2c8cf7b5cb46070cf738f2
sha512 1fce36a19af69e7dae7b8b1280110b1ae2de316bce5fb4f3c1f1a226208ed6a131a84a28c3da4ed6ce28f2e58804faa77c1ff47a588ec871f67d8cd4a770d909
ripemd-160 bf2ddb34fc8cf1e659b51b2aa1bcbe3a6b0c01bb

156928721 as geometric shapes

Circle

Radius = n
Diameter 313857442
Circumference 986012234.06168
Area 7.7366819390826E+16

Sphere

Radius = n
Volume 1.6188101353121E+25
Surface area 3.0946727756331E+17
Circumference 986012234.06168

Square

Length = n
Perimeter 627714884
Area 24626623474695841
Diagonal 221930725.56406

Cube

Length = n
Surface area 147759740848175046
Volume 3.8646245244326E+24
Space diagonal 271808517.9388

Equilateral Triangle

Length = n
Perimeter 470786163
Area 1.066364076926E+16
Altitude 135904258.9694

Triangular Pyramid

Length = n
Surface area 1.066364076926E+16
Volume 4.5545036799435E+23
Height 73976908.521355