Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

78161921 (number)

78161921 is an odd 8-digits composite number following 78161920 and preceding 78161922. In scientific notation, it is written as 7.8161921 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 77050368 positive integers (up to 78161921) that are relatively prime to 78161921.

Interesting facts

78161921 has 8 divisors, whose sum is 79280040
The reverse of 78161921 is 12916187
Previous prime number is 277

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	7.8161921 × 10^7
Engineering notation	7.8161921 × 10^6

Prime Factorization of 78161921

Prime Factorization 97 × 277 × 2909

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	78161921	Product of the distinct prime numbers

The prime factorization of 78161921 is 97 × 277 × 2909. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 73, 29, 616, 705, 2164, 4287, 31471, 37675, 810972, 423891, 6601576, 1254651, 53089971, 44674418, 113152137, 936624326, 7419889641, 6363368263

Basic calculations (n = 78161921)

Multiplication

n×y

n×2	156323842
n×3	234485763
n×4	312647684
n×5	390809605

Division

n÷y

n÷2	39080960.5
n÷3	26053973.666667
n÷3	19540480.25
n÷5	15632384.2

Exponentiation

n^y

n²	6109285894410241
n³	4.7751352144531E+23
n⁴	3.732337413964E+31
n⁵	2.917266620956E+39

Nth Root

^y√n

²√n	8840.9230852892
³√n	427.56131902017
⁴√n	94.026182977345
⁵√n	37.896495039278

Divisors of 78161921

1, 97, 277, 2909, 26869, 282173, 805793, 78161921

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	-78161920	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 78161921 can be divided by 8 positive divisors. The sum of these divisors (counting 78161921) is 1, the average is 0.125.

Base conversion 78161921

Base	System	Value
2	Binary	100101010001010100000000001
3	Ternary	12110002000222222
4	Quaternary	10222022200001
5	Quinary	130002140141
6	Senary	11431140425
8	Octal	452124001
10	Decimal	78161921
12	Duodecimal	22214715
16	Hexadecimal	4a8a801
20	Vigesimal	148a4g1
36	Base36	1aja4h

Cryptographic Hash Functions

md5	c52fcd2de9083f8c913ab2f258518b55
sha1	68d14adb6e54369da9a1032f0585fa854a0a09f5
sha256	bf9c24250058f80ce4d2a8e4d6e061ae8b18b93edfbf9ddf4b566c1ef61aecab
sha512	d60d822de873a154fbd6c734077898563d772e1654f9e9d575bfa672d0a6bc38cf15653800bc03a6c7ae589f69c60920ffea2c42cf74294e42c9f8a13a0026c4
ripemd-160	29da04bbeaf08e1cb1959272840a1e62c0211ed3

78161921 as geometric shapes

Circle

Radius = n

Diameter	156323842
Circumference	491105833.60813
Area	1.9192887684559E+16

Sphere

Radius = n

Volume	2.0002039612832E+24
Surface area	7.6771550738236E+16
Circumference	491105833.60813

Square

Length = n

Perimeter	312647684
Area	6109285894410241
Diagonal	110537648.73933

Cube

Length = n

Surface area	36655715366461446
Volume	4.7751352144531E+23
Space diagonal	135380418.38918

Equilateral Triangle

Length = n

Perimeter	234485763
Area	2.6453983917706E+15
Altitude	67690209.194592

Triangular Pyramid

Length = n

Surface area	2.6453983917706E+15
Volume	5.6275508187041E+22
Height	36845882.913111