21135120178370

Names of 21135120178370

• Cardinal: 21135120178370 can be written as Twenty-one trillion, one hundred thirty-five billion, one hundred twenty million, one hundred seventy-eight thousand, three hundred seventy.

Scientific notation

• Scientific notation: 2.113512017837 × 10¹³

Factors of 21135120178370

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2421

Divisors of 21135120178370

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 10 11 19 22 29 31 38 55 58 62 95 110 145 155 181 190 209 290 310 319 341 362 418 551 589 638 682 841 899 905 1045 1102 1178 1595 1682 1705 1798 1810 1991 2090 2143 2755 2945 3190 3410 3439 3982 4205 4286 4495 5249 5510 5611 5890 6061 6479 6878 8410 8990 9251 9889 9955 10498 10715 11222 12122 12958 15979 17081 17195 18502 19778 19910 21430 23573 26071 26245 28055 30305 31958 32395 34162 34390 37829 40717 46255 47146 49445 52142 52490 56110 57739 60610 61721 62147 64790 66433 75658 79895 81434 85405 92510 98890 99731 106609 115478 117865 123442 124294 130355 132866 152221 159790 162719 170810 175769 187891 189145 199462 203585 213218 235730 260710 286781 288695 304442 308605 310735 325438 332165 351538 375782 378290 387883 407170 447887 495349 498655 533045 573562 577390 617210 621470 664330 683617 730763 761105 775766 813595 878845 895774 939455 990698 997310 1066090 1097041 1172699 1180793 1262227 1367234 1433905 1461526 1522210 1627190 1674431 1757690 1789909 1802263 1878910 1926557 1939415 2194082 2239435 2345398 2361586 2476745 2524454 2867810 2892199 3091661 3348862 3418085 3579818 3604526 3653815 3853114 3878830 4266713 4478870 4718851 4953490 5448839 5485205 5784398 5863495 5903965 6183322 6311135 6836170 7307630 7369777 8372155 8533426 8949545 9011315 9437702 9632785 10897678 10970410 11248607 11726990 11807930 12024373 12622270 12988723 13884497 14460995 14739554 15458305 16744310 17899090 18022630 19265570 19824893 21192127 21333565 22497214 23594255 24048746 25977446 27244195 27768994 28921990 30916610 31814189 34008271 34242997 36604583 36848885 39649786 42384254 42667130 47188510 51907361 54488390 55870153 56243035 60121865 63628378 64943615 68016542 68485994 69422485 73209166 73697770 81067547 89658169 99124465 103814722 105960635 111740306 112486070 120243730 123734677 129887230 132268103 138844970 159070945 162135094 170041355 171214985 179316338 183022915 198248930 211921270 213723533 228463087 247469354 259536805 264536206 279350765 318141890 326209603 340082710 342429970 348706817 366045830 376672967 402650413 405337735 427447066 448290845 456926174 519073610 558701530 614571683 618673385 652419206 661340515 697413634 753345934 805300826 810675470 896581690 986239859 1061532907 1068617665 1142315435 1229143366 1237346770 1322681030 1631048015 1743534085 1883364835 1972479718 2013252065 2123065814 2137235330 2284630870 2350958863 2513093957 3072858415 3262096030 3487068170 3588305633 3766729670 3835774987 4026504130 4701917726 4931199295 5026187914 5307664535 6145716830 6197982457 6625429523 7176611266 7671549974 9862398590 10112497693 10615329070 11676861977 11754794315 12395964914 12565469785 13250859046 17941528165 19178874935 20224995386 23353723954 23509588630 25130939570 30989912285 33127147615 35883056330 38357749870 50562488465 58384309885 61979824570 66254295230 68177807027 72879724753 101124976930 111237474623 116768619770 136355614054 145759449506 192137456167 222474949246 340889035135 364398623765 384274912334 556187373115 681778070270 728797247530 960687280835 1112374746230 1921374561670 2113512017837 4227024035674 10567560089185 21135120178370
• Sum of all divisors σ(n): 46983790264320
• Sum of proper divisors (its aliquot sum) s(n): 25848670085950
• 21135120178370 is an abundant number, because the sum of its proper divisors (25848670085950) is greater than itself. Its abundance is 4713549907580

Bases of 21135120178370

• Binary: 100110011100011100111010101001001110011000010₂
• Hexadecimal: 0x1338E7549CC2
• Base-36: 7HPC8V0LE

Squares and roots of 21135120178370

• 21135120178370 squared (21135120178370²) is 446693304954142740615856900
• 21135120178370 cubed (21135120178370³) is 9440916683079086124715450127978395253000
• The square root of 21135120178370 is 4597294.8761603273
• The cube root of 21135120178370 is 27648.2877374129

Scales and comparisons

• 21,135,120,178,370 seconds is equal to 672,031 years, 23 weeks, 1 day, 12 hours, 12 minutes, 50 seconds.
• To count from 1 to 21,135,120,178,370 would take you about one million, six hundred eighty thousand and seventy-eight 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 21135120178370 cubic inches would be around 2304 feet tall.

Recreational maths with 21135120178370

• 21135120178370 backwards is 07387102153112
• The number of decimal digits it has is: 14
• The sum of 21135120178370's digits is 41
• More coming soon!