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

1561381 (number)

1561381 is an odd 7-digits composite number following 1561380 and preceding 1561382. In scientific notation, it is written as 1.561381 × 10^6. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 1558764 positive integers (up to 1561381) that are relatively prime to 1561381.

Interesting facts

1561381 has 4 divisors, whose sum is 1564000
The reverse of 1561381 is 1831651
Previous prime number is 919

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7

Name

Name	one million five hundred sixty-one thousand three hundred eighty-one

Notation

Scientific notation	1.561381 × 10^6
Engineering notation	1.561381 × 10^6

Prime Factorization of 1561381

Prime Factorization 919 × 1699

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1561381	Product of the distinct prime numbers

The prime factorization of 1561381 is 919 × 1699. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 66, 60, 151, 690, 3106, 690, 17999, 28048, 919620, 734733, 3511207, 6711771, 56713501, 49490518, 221421051, 954497635, 1562868518, 1833667406

Basic calculations (n = 1561381)

Multiplication

n×y

n×2	3122762
n×3	4684143
n×4	6245524
n×5	7806905

Division

n÷y

n÷2	780690.5
n÷3	520460.33333333
n÷3	390345.25
n÷5	312276.2

Exponentiation

n^y

n²	2437910627161
n³	3806507332947269341
n⁴	5.9434082260245E+24
n⁵	9.2799246793584E+30

Nth Root

^y√n

²√n	1249.552319833
³√n	116.01201322274
⁴√n	35.349007338722
⁵√n	17.326138354511

Divisors of 1561381

1, 919, 1699, 1561381

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	-1561380	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 1561381 can be divided by 4 positive divisors. The sum of these divisors (counting 1561381) is 1, the average is 0.25.

Base conversion 1561381

Base	System	Value
2	Binary	101111101001100100101
3	Ternary	2221022210221
4	Quaternary	11331030211
5	Quinary	344431011
6	Senary	53244341
8	Octal	5751445
10	Decimal	1561381
12	Duodecimal	6336b1
16	Hexadecimal	17d325
20	Vigesimal	9f391
36	Base36	xgrp

Cryptographic Hash Functions

md5	9a317f0d3764d42e91b9f7cb7cabe69c
sha1	bb66a0fccb5fbb0eca45cc260df962ecb36477fb
sha256	bfb64af46ed16dcb6b278558c02aa70d74b8284259aa875aaf11c16db313f63a
sha512	5c6bbd29887ad18f73d6cb517cd304d05f830587bb9a6f529cd648ca5b1258c25a548365bf91cbaeeab247090c6bffd0ec8a126cec51d29da8842512d3f8da7b
ripemd-160	903a52d3bc219a48baa3b530b80adb3cdfd51058

1561381 as geometric shapes

Circle

Radius = n

Diameter	3122762
Circumference	9810446.1581094
Area	7658922116397.5

Sphere

Radius = n

Volume	1.5944660630697E+19
Surface area	30635688465590
Circumference	9810446.1581094

Square

Length = n

Perimeter	6245524
Area	2437910627161
Diagonal	2208126.1862317

Cube

Length = n

Surface area	14627463762966
Volume	3806507332947269341
Space diagonal	2704391.2219727

Equilateral Triangle

Length = n

Perimeter	4684143
Area	1055646267638.7
Altitude	1352195.6109864

Triangular Pyramid

Length = n

Surface area	1055646267638.7
Volume	4.4860119129389E+17
Height	736042.06207722