20390964038640

Names of 20390964038640

• Cardinal: 20390964038640 can be written as Twenty trillion, three hundred ninety billion, nine hundred sixty-four million, thirty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.039096403864 × 10¹³

Factors of 20390964038640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 57797

Divisors of 20390964038640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 90 104 108 117 120 130 135 144 156 180 195 208 216 234 240 260 270 312 351 360 390 432 468 520 540 585 624 702 720 780 936 1040 1080 1170 1404 1560 1755 1872 2160 2340 2808 3120 3510 4680 5616 7020 9360 14040 18481 28080 36962 39293 55443 73924 78586 92405 110886 117879 147848 157172 166329 184810 196465 221772 235758 240253 277215 295696 314344 332658 353637 369620 392930 443544 471516 480506 498987 510809 554430 589395 628688 665316 707274 720759 739240 785860 831645 887088 943032 961012 997974 1021618 1060911 1108860 1178790 1201265 1330632 1414548 1441518 1478480 1532427 1571720 1663290 1768185 1886064 1922024 1995948 2043236 2121822 2162277 2217720 2357580 2402530 2494935 2554045 2661264 2829096 2883036 3064854 3143440 3326580 3536370 3603795 3844048 3991896 4086472 4243644 4324554 4435440 4597281 4715160 4805060 4989870 5108090 5304555 5658192 5766072 6129708 6486831 6653160 7072740 7207590 7662135 7983792 8172944 8487288 8649108 9194562 9430320 9610120 9979740 10216180 10609110 10811385 11532144 12259416 12973662 13306320 13791843 14145480 14415180 15324270 16974576 17298216 18389124 19220240 19959480 20432360 21218220 21622770 22986405 24518832 25947324 27583686 28290960 28830360 30648540 32434155 34596432 36778248 39918960 40864720 42436440 43245540 45972810 51894648 55167372 57660720 61297080 64868310 68959215 73556496 84872880 86491080 91945620 103789296 110334744 122594160 129736620 137918430 172982160 183891240 220669488 259473240 275836860 367782480 518946480 551673720 726173933 1103347440 1452347866 2178521799 2904695732 3630869665 4357043598 5809391464 6535565397 7261739330 8714087196 9440261129 10892608995 11618782928 13071130794 14523478660 17428174392 18880522258 19606696191 21785217990 26142261588 28320783387 29046957320 32677826985 34856348784 37761044516 39213392382 43570435980 47201305645 52284523176 56641566774 58093914640 65355653970 75522089032 78426784764 84962350161 87140871960 94402611290 98033480955 104569046352 113283133548 130711307940 141603916935 151044178064 156853569528 169924700322 174281743920 188805222580 196066961910 226566267096 254887050483 261422615880 283207833870 313707139056 339849400644 377610445160 392133923820 424811750805 453132534192 509774100966 522845231760 566415667740 679698801288 755220890320 784267847640 849623501610 1019548201932 1132831335480 1274435252415 1359397602576 1568535695280 1699247003220 2039096403864 2265662670960 2548870504830 3398494006440 4078192807728 5097741009660 6796988012880 10195482019320 20390964038640
• Sum of all divisors σ(n): 75644294705280
• Sum of proper divisors (its aliquot sum) s(n): 55253330666640
• 20390964038640 is an abundant number, because the sum of its proper divisors (55253330666640) is greater than itself. Its abundance is 34862366628000

Bases of 20390964038640

• Binary: 100101000101110100100001010110000101111110000₂
• Hexadecimal: 0x128BA42B0BF0
• Base-36: 787H9ICC0

Squares and roots of 20390964038640

• 20390964038640 squared (20390964038640²) is 415791414425109699413049600
• 20390964038640 cubed (20390964038640³) is 8478387779117672830168554309134636544000
• The square root of 20390964038640 is 4515635.5077264595
• The cube root of 20390964038640 is 27319.9092824115

Scales and comparisons

• 20,390,964,038,640 seconds is equal to 648,369 years, 30 weeks, 2 days, 5 hours, 24 minutes.
• To count from 1 to 20,390,964,038,640 would take you about one million, six hundred twenty thousand, nine hundred twenty-three 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 20390964038640 cubic inches would be around 2276.7 feet tall.

Recreational maths with 20390964038640

• 20390964038640 backwards is 04683046909302
• 20390964038640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20390964038640's digits is 54
• More coming soon!