40128260744

Names of 40128260744

• Cardinal: 40128260744 can be written as Forty billion, one hundred twenty-eight million, two hundred sixty thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 4.0128260744 × 10¹⁰

Factors of 40128260744

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2187

Divisors of 40128260744

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 11 13 22 26 31 44 52 62 88 104 124 143 248 286 341 403 572 682 806 1013 1117 1144 1364 1612 2026 2234 2728 3224 4052 4433 4468 8104 8866 8936 11143 12287 13169 14521 17732 22286 24574 26338 29042 31403 34627 35464 44572 49148 52676 58084 62806 69254 89144 98296 105352 116168 125612 138508 144859 159731 251224 277016 289718 319462 345433 380897 408239 450151 579436 638924 690866 761794 816478 900302 1131521 1158872 1277848 1381732 1523588 1632956 1800604 2263042 2763464 3047176 3265912 3601208 4490629 4526084 4951661 8981258 9052168 9903322 12446731 14709773 17962516 19806644 24893462 29419546 35077151 35925032 39613288 49786924 58839092 70154302 99573848 117678184 140308604 161807503 280617208 323615006 385848661 456002963 647230012 771697322 912005926 1294460024 1543394644 1824011852 3086789288 3648023704 5016032593 10032065186 20064130372 40128260744
• Sum of all divisors σ(n): 91417697280
• Sum of proper divisors (its aliquot sum) s(n): 51289436536
• 40128260744 is an abundant number, because the sum of its proper divisors (51289436536) is greater than itself. Its abundance is 11161175792

Bases of 40128260744

• Binary: 100101010111110101001010101010001000₂
• Hexadecimal: 0x957D4AA88
• Base-36: IFNBW5K

Squares and roots of 40128260744

• 40128260744 squared (40128260744²) is 1610277310338451433536
• 40128260744 cubed (40128260744³) is 64617627779408386014113193910784
• The square root of 40128260744 is 200320.3952272461
• The cube root of 40128260744 is 3423.6033730697

Scales and comparisons

• 40,128,260,744 seconds is equal to 1,275 years, 49 weeks, 4 days, 11 hours, 5 minutes, 44 seconds.
• To count from 1 to 40,128,260,744 would take you about two thousand, five hundred fifty-one 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 40128260744 cubic inches would be around 285.3 feet tall.

Recreational maths with 40128260744

• 40128260744 backwards is 44706282104
• The number of decimal digits it has is: 11
• The sum of 40128260744's digits is 38
• More coming soon!