420156721 (number)

420156721 is an odd 9-digits prime number following 420156720 and preceding 420156722. In scientific notation, it is written as 4.20156721 × 10^8. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 420156720 positive integers (up to 420156721) that are relatively prime to 420156721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 4.20156721 × 10^8
Engineering notation 4.20156721 × 10^6

Prime Factorization of 420156721

Prime Factorization 420156721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 420156721
Product of the distinct prime numbers

The prime factorization of 420156721 is 420156721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 3, 25, 12, 277, 279, 3975, 6974, 33082, 75249, 451314, 438944, 3922999, 1288880, 8273071, 31773530, 217405878, 137220609, 5746964467, 6216696575

Basic calculations (n = 420156721)

Multiplication

n×y
n×2 840313442
n×3 1260470163
n×4 1680626884
n×5 2100783605

Division

n÷y
n÷2 210078360.5
n÷3 140052240.33333
n÷3 105039180.25
n÷5 84031344.2

Exponentiation

ny
n2 176531670201471841
n3 7.4170967704504E+25
n4 3.1163430584121E+34
n5 1.3093524809335E+43

Nth Root

y√n
2√n 20497.724776179
3√n 748.98037504069
4√n 143.17026498606
5√n 53.049618249101

Divisors of 420156721

1, 420156721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 420156722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 210078361
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 20497.724800572
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999952399
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 420156721 can be divided by 2 positive divisors. The sum of these divisors (counting 420156721) is 420156722, the average is 210078361.

Base conversion 420156721

Base System Value
2 Binary 11001000010110001010100110001
3 Ternary 1002021121011200001
4 Quaternary 121002301110301
5 Quinary 1330030003341
6 Senary 105405230001
8 Octal 3102612461
10 Decimal 420156721
12 Duodecimal b8862301
16 Hexadecimal 190b1531
20 Vigesimal 6b5jbg1
36 Base36 6y5f01

Cryptographic Hash Functions

md5 170818ae534744ccb0c852fe0d0cf803
sha1 5ade54c66c02be607a42ff18d84f9ef17d8ea23c
sha256 52f8acd1afc48e8dd1aeea1a4c66b4c53373c564d893d2bb2529d7e8067af0be
sha512 0ef9a2c45c136fef706cd94be5247153e2e539789acd8601448a6e01d922c304cb9d8f1620fc48295f907441539adfdcc986a712417d367388d20a3de023b435
ripemd-160 c902192216509616becff23ef17efeffb5fa8bed

420156721 as geometric shapes

Circle

Radius = n
Diameter 840313442
Circumference 2639922536.1
Area 5.5459059823088E+17

Sphere

Radius = n
Volume 3.1068662300015E+26
Surface area 2.2183623929235E+18
Circumference 2639922536.1

Square

Length = n
Perimeter 1680626884
Area 176531670201471841
Diagonal 594191333.16041

Cube

Length = n
Surface area 1059190021208831046
Volume 7.4170967704504E+25
Space diagonal 727732787.91354

Equilateral Triangle

Length = n
Perimeter 1260470163
Area 7.6440455483486E+16
Altitude 363866393.95677

Triangular Pyramid

Length = n
Surface area 7.6440455483486E+16
Volume 8.7411323718372E+24
Height 198063777.72014