181241040672

Names of 181241040672

• Cardinal: 181241040672 can be written as One hundred eighty-one billion, two hundred forty-one million, forty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.81241040672 × 10¹¹

Factors of 181241040672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 25619

Divisors of 181241040672

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 307 324 432 486 614 648 729 864 921 972 1228 1296 1458 1842 1944 2456 2592 2763 2916 3684 3888 4912 5526 5832 7368 7776 8289 9824 11052 11664 14736 16578 22104 23328 24867 25307 29472 33156 44208 49734 50614 66312 74601 75921 88416 99468 101228 132624 149202 151842 198936 202456 223803 227763 265248 298404 303684 397872 404912 447606 455526 596808 607368 683289 795744 809824 895212 911052 1193616 1214736 1366578 1790424 1822104 2049867 2387232 2429472 2733156 3580848 3644208 4099734 5466312 6149601 7161696 7288416 7769249 8199468 10932624 12299202 15538498 16398936 18448803 21865248 23307747 24598404 31076996 32797872 36897606 46615494 49196808 62153992 65595744 69923241 73795212 93230988 98393616 124307984 139846482 147590424 186461976 196787232 209769723 248615968 279692964 295180848 372923952 419539446 559385928 590361696 629309169 745847904 839078892 1118771856 1258618338 1678157784 1887927507 2237543712 2517236676 3356315568 3775855014 5034473352 5663782521 6712631136 7551710028 10068946704 11327565042 15103420056 20137893408 22655130084 30206840112 45310260168 60413680224 90620520336 181241040672
• Sum of all divisors σ(n): 536746540176
• Sum of proper divisors (its aliquot sum) s(n): 355505499504
• 181241040672 is an abundant number, because the sum of its proper divisors (355505499504) is greater than itself. Its abundance is 174264458832

Bases of 181241040672

• Binary: 10101000110010110011101100111100100000₂
• Hexadecimal: 0x2A32CECF20
• Base-36: 2B9E8I00

Squares and roots of 181241040672

• 181241040672 squared (181241040672²) is 32848314823869558211584
• 181241040672 cubed (181241040672³) is 5953462762999603116248367325544448
• The square root of 181241040672 is 425724.1368210169
• The cube root of 181241040672 is 5659.1627311417

Scales and comparisons

• 181,241,040,672 seconds is equal to 5,762 years, 47 weeks, 5 hours, 31 minutes, 12 seconds.
• To count from 1 to 181,241,040,672 would take you about eleven thousand, five hundred twenty-five 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 181241040672 cubic inches would be around 471.6 feet tall.

Recreational maths with 181241040672

• 181241040672 backwards is 276040142181
• 181241040672 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 181241040672's digits is 36
• More coming soon!