3987495043920

Names of 3987495043920

• Cardinal: 3987495043920 can be written as Three trillion, nine hundred eighty-seven billion, four hundred ninety-five million, forty-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.98749504392 × 10¹²

Factors of 3987495043920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 74429

Divisors of 3987495043920

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 74419 148838 223257 297676 372095 446514 595352 669771 744190 893028 1116285 1190704 1339542 1488380 1786056 2232570 2679084 2976760 3348855 3572112 4465140 5358168 5953520 6697710 8930280 10716336 13395420 17860560 26790840 53581680 5538187561 11076375122 16614562683 22152750244 27690937805 33229125366 44305500488 49843688049 55381875610 66458250732 83072813415 88611000976 99687376098 110763751220 132916501464 166145626830 199374752196 221527502440 249218440245 265833002928 332291253660 398749504392 443055004880 498436880490 664582507320 797499008784 996873760980 1329165014640 1993747521960 3987495043920
• Sum of all divisors σ(n): 13391517470058
• Sum of proper divisors (its aliquot sum) s(n): 9404022426138
• 3987495043920 is an abundant number, because the sum of its proper divisors (9404022426138) is greater than itself. Its abundance is 5416527382218

Bases of 3987495043920

• Binary: 111010000001101001001110011100001101010000₂
• Hexadecimal: 0x3A06939C350
• Base-36: 1EVTVLF80

Squares and roots of 3987495043920

• 3987495043920 squared (3987495043920²) is 15900116725286562728966400
• 3987495043920 cubed (3987495043920³) is 63401636639829669023525710224204288000
• The square root of 3987495043920 is 1996871.3138106821
• The cube root of 3987495043920 is 15857.4512679185

Scales and comparisons

• 3,987,495,043,920 seconds is equal to 126,790 years, 3 days, 12 minutes.
• To count from 1 to 3,987,495,043,920 would take you about three hundred sixteen thousand, nine hundred seventy-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 3987495043920 cubic inches would be around 1321.5 feet tall.

Recreational maths with 3987495043920

• 3987495043920 backwards is 0293405947893
• The number of decimal digits it has is: 13
• The sum of 3987495043920's digits is 63
• More coming soon!