20640370354740

Names of 20640370354740

• Cardinal: 20640370354740 can be written as Twenty trillion, six hundred forty billion, three hundred seventy million, three hundred fifty-four thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.064037035474 × 10¹³

Factors of 20640370354740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 89426

Divisors of 20640370354740

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 73 90 93 124 146 155 180 186 219 279 292 310 365 372 438 465 558 571 620 657 730 876 930 1095 1116 1142 1314 1395 1460 1713 1860 2190 2263 2284 2628 2790 2855 3285 3426 4380 4526 5139 5580 5710 6570 6789 6852 8565 9052 10278 11315 11420 13140 13578 17130 17701 20367 20556 22630 25695 27156 33945 34260 35402 40734 41683 45260 51390 53103 67890 70804 81468 83366 88505 88741 101835 102780 106206 125049 135780 159309 166732 177010 177482 203670 208415 212412 250098 265515 266223 318618 354020 354964 375147 407340 416830 443705 500196 531030 532446 625245 637236 750294 796545 798669 833660 887410 1062060 1064892 1250490 1292173 1331115 1500588 1593090 1597338 1774820 1875735 2500980 2584346 2662230 2750971 3186180 3194676 3751470 3876519 3993345 5168692 5324460 5501942 6460865 6478093 7502940 7753038 7986690 8252913 11003884 11629557 12921730 12956186 13754855 15506076 15973380 16505826 19382595 19434279 23259114 24758739 25843460 25912372 27509710 32390465 33011652 38765190 38868558 41264565 46518228 49517478 50671111 55019420 58147785 58302837 64780930 77530380 77737116 82529130 97171395 99034956 101342222 116295570 116605674 123793695 129561860 152013333 165058260 194342790 200820883 202684444 232591140 233211348 247587390 253355555 291514185 304026666 388685580 401641766 456039999 495174780 506711110 583028370 602462649 608053332 760066665 803283532 912079998 1004104415 1013422220 1166056740 1204925298 1520133330 1570804441 1807387947 1824159996 2008208830 2280199995 2409850596 3012313245 3040266660 3141608882 3614775894 3698991103 4016417660 4560399990 4712413323 6024626490 6283217764 7229551788 7397982206 7854022205 9036939735 9120799980 9424826646 11096973309 12049252980 14137239969 14795964412 15708044410 18073879470 18494955515 18849653292 22193946618 23562066615 28274479938 31416088820 33290919927 36147758940 36989911030 44387893236 47124133230 55484866545 56548959876 66581839854 70686199845 73979822060 94248266460 110969733090 114668724193 133163679708 141372399690 166454599635 221939466180 229337448386 282744799380 332909199270 344006172579 458674896772 573343620965 665818398540 688012345158 1032018517737 1146687241930 1376024690316 1720030862895 2064037035474 2293374483860 3440061725790 4128074070948 5160092588685 6880123451580 10320185177370 20640370354740
• Sum of all divisors σ(n): 65629573481472
• Sum of proper divisors (its aliquot sum) s(n): 44989203126732
• 20640370354740 is an abundant number, because the sum of its proper divisors (44989203126732) is greater than itself. Its abundance is 24348832771992

Bases of 20640370354740

• Binary: 100101100010110110101111100010110101000110100₂
• Hexadecimal: 0x12C5B5F16A34
• Base-36: 7BE1ZL9H0

Squares and roots of 20640370354740

• 20640370354740 squared (20640370354740²) is 426024888380829833440467600
• 20640370354740 cubed (20640370354740³) is 8793311476517097573465199351683476424000
• The square root of 20640370354740 is 4543167.4363531883
• The cube root of 20640370354740 is 27430.8434683661

Scales and comparisons

• 20,640,370,354,740 seconds is equal to 656,299 years, 48 weeks, 3 days, 9 hours, 39 minutes.
• To count from 1 to 20,640,370,354,740 would take you about one million, six hundred forty thousand, seven hundred forty-nine 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 20640370354740 cubic inches would be around 2285.9 feet tall.

Recreational maths with 20640370354740

• 20640370354740 backwards is 04745307304602
• 20640370354740 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20640370354740's digits is 45
• More coming soon!