78131431 (number)

78131431 is an odd 8-digits composite number following 78131430 and preceding 78131432. In scientific notation, it is written as 7.8131431 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 66860640 positive integers (up to 78131431) that are relatively prime to 78131431.

Interesting facts

Basic properties

Name

Name seventy-eight million one hundred thirty-one thousand four hundred thirty-one

Notation

Scientific notation 7.8131431 × 10^7
Engineering notation 7.8131431 × 10^6

Prime Factorization of 78131431

Prime Factorization 49 × 991 × 1609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78131431
Product of the distinct prime numbers

The prime factorization of 78131431 is 49 × 991 × 1609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 10, 76, 95, 838, 362, 6430, 5695, 48338, 43994, 872894, 791483, 662795, 9152461, 72679742, 78273779, 442933062, 432514527, 7902256192, 8182459301

Basic calculations (n = 78131431)

Multiplication

n×y
n×2 156262862
n×3 234394293
n×4 312525724
n×5 390657155

Division

n÷y
n÷2 39065715.5
n÷3 26043810.333333
n÷3 19532857.75
n÷5 15626286.2

Exponentiation

ny
n2 6104520510107761
n3 4.7695492302357E+23
n4 3.7265170658326E+31
n5 2.9115811099942E+39

Nth Root

y√n
2√n 8839.1985496424
3√n 427.50571632633
4√n 94.017012022518
5√n 37.893537986907

Divisors of 78131431

1, 49, 991, 1609, 48559, 78841, 1594519, 78131431

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 -78131430
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 78131431 can be divided by 8 positive divisors. The sum of these divisors (counting 78131431) is 1, the average is 0.125.

Base conversion 78131431

Base System Value
2 Binary 100101010000011000011100111
3 Ternary 12110000111011201
4 Quaternary 10222003003213
5 Quinary 130000201211
6 Senary 11430343331
8 Octal 452030347
10 Decimal 78131431
12 Duodecimal 221bab47
16 Hexadecimal 4a830e7
20 Vigesimal 14868bb
36 Base36 1aimlj

Cryptographic Hash Functions

md5 29fe57eaa852f83f3eb2e8af497a6c6a
sha1 bdf91429e5f4c545d15d0ae18fb8be8c4dfccaa5
sha256 2613a63aac58a187cfbccc6593adc751196e44e8afb5fe88d1261f12bc95a295
sha512 c047cc852ec14c54d12dee821beead67c98325b782345bd33e87df668604c5f927e0fbe5190d2e4fb607e5770a172441158cfb2ad64292b6776b79a60d1e775d
ripemd-160 7dcd709bb1a4b6bb285f1837ee9159c9e5377d6c

78131431 as geometric shapes

Circle

Radius = n
Diameter 156262862
Circumference 490914259.28812
Area 1.9177916788243E+16

Sphere

Radius = n
Volume 1.9978641096858E+24
Surface area 7.6711667152971E+16
Circumference 490914259.28812

Square

Length = n
Perimeter 312525724
Area 6104520510107761
Diagonal 110494529.36782

Cube

Length = n
Surface area 36627123060646566
Volume 4.7695492302357E+23
Space diagonal 135327608.16006

Equilateral Triangle

Length = n
Perimeter 234394293
Area 2.6433349198382E+15
Altitude 67663804.080031

Triangular Pyramid

Length = n
Surface area 2.6433349198382E+15
Volume 5.6209676731712E+22
Height 36831509.789273