7897157421 (number)

7897157421 is an odd 10-digits composite number following 7897157420 and preceding 7897157422. In scientific notation, it is written as 7.897157421 × 10^9. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 5264771612 positive integers (up to 7897157421) that are relatively prime to 7897157421.

Interesting facts

Basic properties

Name

Name seven billion eight hundred ninety-seven million one hundred fifty-seven thousand four hundred twenty-one

Notation

Scientific notation 7.897157421 × 10^9
Engineering notation 7.897157421 × 10^9

Prime Factorization of 7897157421

Prime Factorization 3 × 2632385807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7897157421
Product of the distinct prime numbers

The prime factorization of 7897157421 is 3 × 2632385807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 46, 68, 185, 653, 9751, 8646, 27257, 89661, 690816, 90540, 7887583, 1605620, 24691402, 65419997, 843154444, 771081309, 4430762520, 9017825348

Basic calculations (n = 7897157421)

Multiplication

n×y
n×2 15794314842
n×3 23691472263
n×4 31588629684
n×5 39485787105

Division

n÷y
n÷2 3948578710.5
n÷3 2632385807
n÷3 1974289355.25
n÷5 1579431484.2

Exponentiation

ny
n2 6.2365095332055E+19
n3 4.9250697541291E+29
n4 3.8894051157764E+39
n5 3.0715244473329E+49

Nth Root

y√n
2√n 88865.951978246
3√n 1991.3927962431
4√n 298.10392814964
5√n 95.388091375016

Divisors of 7897157421

1, 3, 2632385807, 7897157421

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 -7897157420
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 7897157421 can be divided by 4 positive divisors. The sum of these divisors (counting 7897157421) is 1, the average is 0.25.

Base conversion 7897157421

Base System Value
2 Binary 111010110101101010000111100101101
3 Ternary 202101100220011101220
4 Quaternary 13112231100330231
5 Quinary 112133133014141
6 Senary 3343343253553
8 Octal 72655207455
10 Decimal 7897157421
12 Duodecimal 16448aa2b9
16 Hexadecimal 1d6b50f2d
20 Vigesimal 637h4db1
36 Base36 3mlrhnx

Cryptographic Hash Functions

md5 b611148348dea95c4bba13f597dda262
sha1 91615f9fc67faa5a9d976f6c6f243552d73622cc
sha256 e98e39609d69876ea4386c8f0506143b2c4759d32984934a8e37e96cc8d05ef2
sha512 c01d1eb949f814a7259cfa842a0e907205dc4b8250bb890d2e155990625159f244db08f8e2c293dbd8a16db04497a09950cbaf52923605e3c3ce6afc1faa8a0e
ripemd-160 d128c5388c0f4713b9a68a27114292c207714225

7897157421 as geometric shapes

Circle

Radius = n
Diameter 15794314842
Circumference 49619303476.111
Area 1.9592572533561E+20

Sphere

Radius = n
Volume 2.0630083943986E+30
Surface area 7.8370290134245E+20
Circumference 49619303476.111

Square

Length = n
Perimeter 31588629684
Area 6.2365095332055E+19
Diagonal 11168267128.974

Cube

Length = n
Surface area 3.7419057199233E+20
Volume 4.9250697541291E+29
Space diagonal 13678277888.542

Equilateral Triangle

Length = n
Perimeter 23691472263
Area 2.7004878433499E+19
Altitude 6839138944.2708

Triangular Pyramid

Length = n
Surface area 2.7004878433499E+19
Volume 5.8042503682691E+28
Height 3722755709.6578