1540621680390

Names of 1540621680390

• Cardinal: 1540621680390 can be written as One trillion, five hundred forty billion, six hundred twenty-one million, six hundred eighty thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.54062168039 × 10¹²

Factors of 1540621680390

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1316770690

Divisors of 1540621680390

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 1316770667 2633541334 3950312001 6583853335 7900624002 11850936003 13167706670 17118018671 19751560005 23701872006 34236037342 39503120010 51354056013 59254680015 85590093355 102708112026 118509360030 154062168039 171180186710 256770280065 308124336078 513540560130 770310840195 1540621680390
• Sum of all divisors σ(n): 4313740708368
• Sum of proper divisors (its aliquot sum) s(n): 2773119027978
• 1540621680390 is an abundant number, because the sum of its proper divisors (2773119027978) is greater than itself. Its abundance is 1232497347588

Bases of 1540621680390

• Binary: 10110011010110100001101010011111100000110₂
• Hexadecimal: 0x166B4353F06
• Base-36: JNR2DCLI

Squares and roots of 1540621680390

• 1540621680390 squared (1540621680390²) is 2373515162087707310552100
• 1540621680390 cubed (1540621680390³) is 3656688917446706857345263880643319000
• The square root of 1540621680390 is 1241217.8214922633
• The cube root of 1540621680390 is 11549.5572261815

Scales and comparisons

• 1,540,621,680,390 seconds is equal to 48,987 years, 1 day, 10 hours, 46 minutes, 30 seconds.
• To count from 1 to 1,540,621,680,390 would take you about one hundred twenty-two thousand, four hundred sixty-seven 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 1540621680390 cubic inches would be around 962.5 feet tall.

Recreational maths with 1540621680390

• 1540621680390 backwards is 0930861260451
• 1540621680390 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1540621680390's digits is 45
• More coming soon!