157021691 (number)

157021691 is an odd 9-digits composite number following 157021690 and preceding 157021692. In scientific notation, it is written as 1.57021691 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 156802584 positive integers (up to 157021691) that are relatively prime to 157021691.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million twenty-one thousand six hundred ninety-one

Notation

Scientific notation 1.57021691 × 10^8
Engineering notation 1.57021691 × 10^6

Prime Factorization of 157021691

Prime Factorization 719 × 218389

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157021691
Product of the distinct prime numbers

The prime factorization of 157021691 is 719 × 218389. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157021691)

Multiplication

n×y
n×2 314043382
n×3 471065073
n×4 628086764
n×5 785108455

Division

n÷y
n÷2 78510845.5
n÷3 52340563.666667
n÷3 39255422.75
n÷5 31404338.2

Exponentiation

ny
n2 24655811444499481
n3 3.8714972059925E+24
n4 6.0790903798671E+32
n5 9.5454905118857E+40

Nth Root

y√n
2√n 12530.829621378
3√n 539.49391427841
4√n 111.94118822568
5√n 43.570438424097

Divisors of 157021691

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 -157021690
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 157021691 can be divided by 4 positive divisors. The sum of these divisors (counting 157021691) is 1, the average is 0.25.

Base conversion 157021691

Base System Value
2 Binary 1001010110111111010111111011
3 Ternary 101221110112021012
4 Quaternary 21112333113323
5 Quinary 310144143231
6 Senary 23325304135
8 Octal 1126772773
10 Decimal 157021691
12 Duodecimal 4470504b
16 Hexadecimal 95bf5fb
20 Vigesimal 2917e4b
36 Base36 2lhipn

Cryptographic Hash Functions

md5 fe6758cb3e921fa1dabb60b7b1c8ed93
sha1 d76f79c3cc00474d7d38dc45aa4dbb5fa9fce536
sha256 8ace08a91ca6d524fb7f1f041dcd0e6197a503f61fb75258cc5cc284eecfe3ec
sha512 d54f8faa856296f7307b19983221a27b920ddb94524a5485d6d791d9551e176fc5956ffae2187e3e1a24841dbb78858f553a197d04be67256baa22c87ed958e4
ripemd-160 7fff143fd4a4e50d206fac783aa8454c51b57d33

157021691 as geometric shapes

Circle

Radius = n
Diameter 314043382
Circumference 986596381.79969
Area 7.7458516102335E+16

Sphere

Radius = n
Volume 1.6216889574319E+25
Surface area 3.0983406440934E+17
Circumference 986596381.79969

Square

Length = n
Perimeter 628086764
Area 24655811444499481
Diagonal 222062204.99896

Cube

Length = n
Surface area 147934868666996886
Volume 3.8714972059925E+24
Space diagonal 271969546.70238

Equilateral Triangle

Length = n
Perimeter 471065073
Area 1.0676279530928E+16
Altitude 135984773.35119

Triangular Pyramid

Length = n
Surface area 1.0676279530928E+16
Volume 4.5626032128367E+23
Height 74020734.999652