121378065681602500

Names of 121378065681602500

• Cardinal: 121378065681602500 can be written as One hundred twenty-one quadrillion, three hundred seventy-eight trillion, sixty-five billion, six hundred eighty-one million, six hundred two thousand, five hundred.

Scientific notation

• Scientific notation: 1.213780656816025 × 10¹⁷

Factors of 121378065681602500

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 198

Divisors of 121378065681602500

• Number of divisors d(n): 105
• Complete list of divisors:
  1 2 4 5 10 20 25 50 100 125 191 250 382 500 625 764 955 1250 1910 2500 3820 4775 9550 19100 23875 36481 47750 72962 95500 119375 145924 182405 238750 364810 477500 729620 912025 1824050 3648100 4560125 6967871 9120250 13935742 18240500 22800625 27871484 34839355 45601250 69678710 91202500 139357420 174196775 348393550 696787100 870983875 1330863361 1741967750 2661726722 3483935500 4354919375 5323453444 6654316805 8709838750 13308633610 17419677500 26617267220 33271584025 66543168050 133086336100 166357920125 254194901951 332715840250 508389803902 665431680500 831789600625 1016779607804 1270974509755 1663579201250 2541949019510 3327158402500 5083898039020 6354872548775 12709745097550 25419490195100 31774362743875 48551226272641 63548725487750 97102452545282 127097450975500 158871813719375 194204905090564 242756131363205 317743627438750 485512262726410 635487254877500 971024525452820 1213780656816025 2427561313632050 4855122627264100 6068903284080125 12137806568160250 24275613136320500 30344516420400625 60689032840801250 121378065681602500
• Sum of all divisors σ(n): 266826551685331099
• Sum of proper divisors (its aliquot sum) s(n): 145448486003728599
• 121378065681602500 is an abundant number, because the sum of its proper divisors (145448486003728599) is greater than itself. Its abundance is 24070420322126099

Bases of 121378065681602500

• Binary: 110101111001110001011010100101000011110011101011111000100₂
• Hexadecimal: 0x1AF38B52879D7C4
• Base-36: X74XLLE1FPG

Squares and roots of 121378065681602500

• 121378065681602500 squared (121378065681602500²) is 14732634828607410562906968006250000
• 121378065681602500 cubed (121378065681602500³) is 1788218717889774869552091109819329566730015625000000
• 121378065681602500 is a perfect square number. Its square root is 348393550
• The cube root of 121378065681602500 is 495123.3453549939
• Being both a perfect square and a perfect cube, 121378065681602500 is also a perfect sixth number.

Scales and comparisons

• 121,378,065,681,602,500 seconds is equal to 3,859,447,041 years, 34 weeks, 4 days, 16 hours, 41 minutes, 40 seconds.
• To count from 1 to 121,378,065,681,602,500 would take you about eleven billion, five hundred seventy-eight million, three hundred forty-one thousand, one 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 121378065681602500 cubic inches would be around 41260.3 feet tall.

Recreational maths with 121378065681602500

• 121378065681602500 backwards is 005206186560873121
• The number of decimal digits it has is: 18
• The sum of 121378065681602500's digits is 61
• More coming soon!