181018985072380

Names of 181018985072380

• Cardinal: 181018985072380 can be written as One hundred eighty-one trillion, eighteen billion, nine hundred eighty-five million, seventy-two thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.8101898507238 × 10¹⁴

Factors of 181018985072380

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 921957

Divisors of 181018985072380

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 124769 249538 499076 623845 797161 873383 1247690 1594322 1621997 1746766 2495380 3188644 3243994 3493532 3985805 4366915 5580127 6487988 7971610 8109985 8733830 10363093 11160254 11353979 15943220 16219970 17467660 20726186 22320508 22707958 27900635 32439940 41452372 45415916 51815465 55801270 56769895 72541651 103630930 111602540 113539790 145083302 207261860 227079580 290166604 362708255 725416510 1450833020 99460980809 198921961618 397843923236 497304904045 696226865663 994609808090 1292992750517 1392453731326 1989219616180 2585985501034 2784907462652 3481134328315 5171971002068 6464963752585 6962268656630 9050949253619 12929927505170 13924537313260 18101898507238 25859855010340 36203797014476 45254746268095 90509492536190 181018985072380
• Sum of all divisors σ(n): 467868790488960
• Sum of proper divisors (its aliquot sum) s(n): 286849805416580
• 181018985072380 is an abundant number, because the sum of its proper divisors (286849805416580) is greater than itself. Its abundance is 105830820344200

Bases of 181018985072380

• Binary: 101001001010001011000100010011011000011011111100₂
• Hexadecimal: 0xA4A2C44D86FC
• Base-36: 1S5YZ1XURG

Squares and roots of 181018985072380

• 181018985072380 squared (181018985072380²) is 32767872956634533273838864400
• 181018985072380 cubed (181018985072380³) is 5931607105590670873780245805601091005272000
• The square root of 181018985072380 is 13454329.6032310729
• The cube root of 181018985072380 is 56568.5059416319

Scales and comparisons

• 181,018,985,072,380 seconds is equal to 5,755,843 years, 41 weeks, 3 days, 59 minutes, 40 seconds.
• To count from 1 to 181,018,985,072,380 would take you about fourteen million, three hundred eighty-nine thousand, six hundred nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 181018985072380 cubic inches would be around 4714 feet tall.

Recreational maths with 181018985072380

• 181018985072380 backwards is 083270589810181
• The number of decimal digits it has is: 15
• The sum of 181018985072380's digits is 61
• More coming soon!