71978420 (number)

71978420 is an even 8-digits composite number following 71978419 and preceding 71978421. In scientific notation, it is written as 7.1978420 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 28791360 positive integers (up to 71978420) that are relatively prime to 71978420.

Interesting facts

Basic properties

Name

Name seventy-one million nine hundred seventy-eight thousand four hundred twenty

Notation

Scientific notation 7.1978420 × 10^7
Engineering notation 7.1978420 × 10^6

Prime Factorization of 71978420

Prime Factorization 2 × 2 × 5 × 3598921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 35989210
Product of the distinct prime numbers

The prime factorization of 71978420 is 2 × 2 × 5 × 3598921. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 72, 80, 278, 720, 8812, 7625, 5089, 42742, 194352, 127004, 7645995, 3734771, 84267254, 34508769, 648656263, 842658565, 3854092021, 7062917757

Basic calculations (n = 71978420)

Multiplication

n×y
n×2 143956840
n×3 215935260
n×4 287913680
n×5 359892100

Division

n÷y
n÷2 35989210
n÷3 23992806.666667
n÷3 17994605
n÷5 14395684

Exponentiation

ny
n2 5180892945696400
n3 3.7291248842037E+23
n4 2.6841651714767E+31
n5 1.9320196806192E+39

Nth Root

y√n
2√n 8484.0096652467
3√n 415.97519730083
4√n 92.108683983904
5√n 37.276957783454

Divisors of 71978420

1, 2, 4, 5, 10, 20, 3598921, 7197842, 14395684, 17994605, 35989210, 71978420

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71978419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71978420 can be divided by 12 positive divisors. The sum of these divisors (counting 71978420) is 1, the average is 0.083333333333333.

Base conversion 71978420

Base System Value
2 Binary 100010010100100110110110100
3 Ternary 12000102212211102
4 Quaternary 10102210312310
5 Quinary 121411302140
6 Senary 11050425232
8 Octal 422446664
10 Decimal 71978420
12 Duodecimal 20132218
16 Hexadecimal 44a4db4
20 Vigesimal 129h610
36 Base36 16uqwk

Cryptographic Hash Functions

md5 ef12b2cf5d6008e899bfe4889cad1248
sha1 4bd28239620ea93b78bd7ba64f7c3e4c4ce0c005
sha256 89c089fa6815cbf5eacb2801b38b82e8d67aeb8416304dd72fb85f8f571f71ba
sha512 5fc84c7929fe1dbd9dc9b8b6dac6b172a3214fd204b957700afe0cbaba35d8b48ec6074a72db57405086fff4438619cb497c25c3cb8bb76b78326f3a951365b9
ripemd-160 ae994c39536c53dbd5476870f68aa2e5fbc5233e

71978420 as geometric shapes

Circle

Radius = n
Diameter 143956840
Circumference 452253750.978
Area 1.6276255217235E+16

Sphere

Radius = n
Volume 1.5620521787378E+24
Surface area 6.510502086894E+16
Circumference 452253750.978

Square

Length = n
Perimeter 287913680
Area 5180892945696400
Diagonal 101792857.76219

Cube

Length = n
Surface area 31085357674178400
Volume 3.7291248842037E+23
Space diagonal 124670280.48853

Equilateral Triangle

Length = n
Perimeter 215935260
Area 2.2433924526303E+15
Altitude 62335140.244266

Triangular Pyramid

Length = n
Surface area 2.2433924526303E+15
Volume 4.3948158225199E+22
Height 33930952.587396