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

72156961 (number)

72156961 is an odd 8-digits composite number following 72156960 and preceding 72156962. In scientific notation, it is written as 7.2156961 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 70974000 positive integers (up to 72156961) that are relatively prime to 72156961.

Interesting facts

72156961 has 4 divisors, whose sum is 73339924
The reverse of 72156961 is 16965127
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	seventy-two million one hundred fifty-six thousand nine hundred sixty-one

Notation

Scientific notation	7.2156961 × 10^7
Engineering notation	7.2156961 × 10^6

Prime Factorization of 72156961

Prime Factorization 61 × 1182901

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	72156961	Product of the distinct prime numbers

The prime factorization of 72156961 is 61 × 1182901. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 4, 12, 743, 608, 9419, 5313, 65241, 44797, 522275, 454875, 9227845, 7366837, 40240981, 86212289, 644853530, 581623780, 3984869293, 6866961506

Basic calculations (n = 72156961)

Multiplication

n×y

n×2	144313922
n×3	216470883
n×4	288627844
n×5	360784805

Division

n÷y

n÷2	36078480.5
n÷3	24052320.333333
n÷3	18039240.25
n÷5	14431392.2

Exponentiation

n^y

n²	5206627020755521
n³	3.756943828782E+23
n⁴	2.7108964933262E+31
n⁵	1.9561005254397E+39

Nth Root

^y√n

²√n	8494.5253546034
³√n	416.31885263953
⁴√n	92.165749357358
⁵√n	37.295432408577

Divisors of 72156961

1, 61, 1182901, 72156961

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	-72156960	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 72156961 can be divided by 4 positive divisors. The sum of these divisors (counting 72156961) is 1, the average is 0.25.

Base conversion 72156961

Base	System	Value
2	Binary	100010011010000011100100001
3	Ternary	12000202221202001
4	Quaternary	10103100130201
5	Quinary	121433010321
6	Senary	11054324001
8	Octal	423203441
10	Decimal	72156961
12	Duodecimal	201b9601
16	Hexadecimal	44d0721
20	Vigesimal	12ajc81
36	Base36	16yko1

Cryptographic Hash Functions

md5	af9a8378ac9dc82adcbf897ff021d1b4
sha1	e2ea8a50449b771389e02a6770eaf525cfed3649
sha256	4c4d2d25545a348f9421327bb49b7fde59273ba47614231b1531e270db263ccc
sha512	5ed225098c4b5a2b1404fd4d50c5c73c806148a8d61f92e37fe04c17e484fd5432f563fca15b361dc0a99ffb58a7bcfd148814a441134cefaf48bbae43581292
ripemd-160	1baa72ffae601a41202b9a4cc36aa1c4986bb059

72156961 as geometric shapes

Circle

Radius = n

Diameter	144313922
Circumference	453375557.16593
Area	1.6357101198388E+16

Sphere

Radius = n

Volume	1.5737049509935E+24
Surface area	6.5428404793551E+16
Circumference	453375557.16593

Square

Length = n

Perimeter	288627844
Area	5206627020755521
Diagonal	102045352.86583

Cube

Length = n

Surface area	31239762124533126
Volume	3.756943828782E+23
Space diagonal	124979522.57177

Equilateral Triangle

Length = n

Perimeter	216470883
Area	2.2545356340024E+15
Altitude	62489761.285883

Triangular Pyramid

Length = n

Surface area	2.2545356340024E+15
Volume	4.4276007631145E+22
Height	34015117.621942