157068821 (number)

157068821 is an odd 9-digits composite number following 157068820 and preceding 157068822. In scientific notation, it is written as 1.57068821 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 124274160 positive integers (up to 157068821) that are relatively prime to 157068821.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million sixty-eight thousand eight hundred twenty-one

Notation

Scientific notation 1.57068821 × 10^8
Engineering notation 1.57068821 × 10^6

Prime Factorization of 157068821

Prime Factorization 13 × 7 × 1726031

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157068821
Product of the distinct prime numbers

The prime factorization of 157068821 is 13 × 7 × 1726031. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 84, 17, 251, 587, 4636, 4647, 67254, 33594, 589305, 192077, 1655352, 5754258, 23709645, 22821670, 686283916, 641597063, 2508088902, 6043360616

Basic calculations (n = 157068821)

Multiplication

n×y
n×2 314137642
n×3 471206463
n×4 628275284
n×5 785344105

Division

n÷y
n÷2 78534410.5
n÷3 52356273.666667
n÷3 39267205.25
n÷5 31413764.2

Exponentiation

ny
n2 24670614530330041
n3 3.8749843376244E+24
n4 6.0863922130413E+32
n5 9.5598244904598E+40

Nth Root

y√n
2√n 12532.710042126
3√n 539.54788517576
4√n 111.94958705652
5√n 43.573053640191

Divisors of 157068821

1, 7, 13, 91, 1726031, 12082217, 22438403, 157068821

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157068820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157068821 can be divided by 8 positive divisors. The sum of these divisors (counting 157068821) is 1, the average is 0.125.

Base conversion 157068821

Base System Value
2 Binary 1001010111001010111000010101
3 Ternary 101221112220220202
4 Quaternary 21113022320111
5 Quinary 310202200241
6 Senary 23330310245
8 Octal 1127127025
10 Decimal 157068821
12 Duodecimal 44728385
16 Hexadecimal 95cae15
20 Vigesimal 291dc11
36 Base36 2lij2t

Cryptographic Hash Functions

md5 98b0698bd48bb088dff0a54ff68c580f
sha1 c0cf3d2890586455cec64e1e8f0474c377b3e90d
sha256 69b8b39c39c28be379dd1df5316b091f53f22e4985863be58d56116d57d7a780
sha512 6a66dfa940f5c3f4fc4aadd6a8682e7b8db9dbb3c5163087cd002a66578056c759c70963ed1b2f2c1b767b213edd086a5fdd1f847f44abbd3149354b84dffd35
ripemd-160 ad154124615f791ddf77fa9067d0c699cfd0407b

157068821 as geometric shapes

Circle

Radius = n
Diameter 314137642
Circumference 986892508.32322
Area 7.750502136803E+16

Sphere

Radius = n
Volume 1.6231496437142E+25
Surface area 3.1002008547212E+17
Circumference 986892508.32322

Square

Length = n
Perimeter 628275284
Area 24670614530330041
Diagonal 222128856.88415

Cube

Length = n
Surface area 148023687181980246
Volume 3.8749843376244E+24
Space diagonal 272051178.25694

Equilateral Triangle

Length = n
Perimeter 471206463
Area 1.068268945512E+16
Altitude 136025589.12847

Triangular Pyramid

Length = n
Surface area 1.068268945512E+16
Volume 4.5667128368765E+23
Height 74042952.294717