121347992538

Names of 121347992538

• Cardinal: 121347992538 can be written as One hundred twenty-one billion, three hundred forty-seven million, nine hundred ninety-two thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 1.21347992538 × 10¹¹

Factors of 121347992538

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1623

Divisors of 121347992538

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 18 27 37 54 74 111 181 222 307 333 362 543 614 666 921 999 1086 1093 1629 1842 1998 2186 2763 3258 3279 4887 5526 6558 6697 8289 9774 9837 11359 13394 16578 19674 20091 22718 29511 34077 40182 40441 55567 59022 60273 68154 80882 102231 111134 120546 121323 166701 180819 197833 204462 242646 306693 333402 335551 361638 363969 395666 500103 593499 613386 671102 727938 1000206 1006653 1091907 1186998 1500309 1780497 2013306 2055979 2183814 3000618 3019959 3560994 4111958 5341491 6039918 6167937 7319821 9059877 10682982 12335874 12415387 14639642 18119754 18503811 21959463 24830774 37007622 37246161 43918926 55511433 60734731 65878389 74492322 111022866 111738483 121469462 131756778 182204193 197635167 223476966 335215449 364408386 395270334 546612579 670430898 1093225158 1639837737 2247185047 3279675474 4494370094 6741555141 13483110282 20224665423 40449330846 60673996269 121347992538
• Sum of all divisors σ(n): 279643203840
• Sum of proper divisors (its aliquot sum) s(n): 158295211302
• 121347992538 is an abundant number, because the sum of its proper divisors (158295211302) is greater than itself. Its abundance is 36947218764

Bases of 121347992538

• Binary: 1110001000000111001110110101111011010₂
• Hexadecimal: 0x1C40E76BDA
• Base-36: 1JQVGMAI

Squares and roots of 121347992538

• 121347992538 squared (121347992538²) is 14725335293002503681444
• 121347992538 cubed (121347992538³) is 1786889877254815860351184041064872
• The square root of 121347992538 is 348350.3875955931
• The cube root of 121347992538 is 4950.8245069175

Scales and comparisons

• 121,347,992,538 seconds is equal to 3,858 years, 25 weeks, 3 days, 15 hours, 42 minutes, 18 seconds.
• To count from 1 to 121,347,992,538 would take you about seven thousand, seven hundred sixteen 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 121347992538 cubic inches would be around 412.6 feet tall.

Recreational maths with 121347992538

• 121347992538 backwards is 835299743121
• 121347992538 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121347992538's digits is 54
• More coming soon!