21513031650

Names of 21513031650

• Cardinal: 21513031650 can be written as Twenty-one billion, five hundred thirteen million, thirty-one thousand, six hundred fifty.

Scientific notation

• Scientific notation: 2.151303165 × 10¹⁰

Factors of 21513031650

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 226

Divisors of 21513031650

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 17 18 22 25 27 30 33 34 45 50 51 54 55 61 66 75 85 90 99 102 110 121 122 127 135 150 153 165 170 183 187 198 225 242 254 255 270 275 297 305 306 330 363 366 374 381 425 450 459 495 510 549 550 561 594 605 610 635 671 675 726 762 765 825 850 915 918 935 990 1037 1089 1098 1122 1143 1210 1270 1275 1342 1350 1397 1485 1525 1530 1647 1650 1683 1815 1830 1870 1905 2013 2057 2074 2159 2178 2286 2295 2475 2550 2745 2794 2805 2970 3025 3050 3111 3175 3267 3294 3355 3366 3429 3630 3810 3825 4026 4114 4191 4318 4575 4590 4675 4950 5049 5185 5445 5490 5610 5715 6039 6050 6171 6222 6350 6477 6534 6710 6858 6985 7381 7425 7650 7747 8235 8382 8415 9075 9150 9333 9350 9525 10065 10098 10285 10370 10795 10890 11407 11430 11475 12078 12342 12573 12954 13725 13970 14025 14762 14850 15367 15494 15555 16335 16470 16775 16830 17145 18117 18150 18513 18666 19050 19431 20130 20570 20955 21590 22143 22814 22950 23241 23749 25146 25245 25925 27225 27450 27999 28050 28575 30195 30734 30855 31110 32385 32670 33550 34221 34290 34925 36234 36905 37026 37719 38735 38862 41175 41910 42075 44286 46101 46482 46665 47498 50325 50490 51425 51850 53975 54450 55539 55998 57035 57150 58293 60390 61710 62865 64770 66429 68442 69723 69850 71247 73810 75438 76835 77470 77775 81675 82350 84150 85217 85725 90585 92202 92565 93330 97155 100650 102663 102850 104775 107950 110715 111078 114070 116205 116586 118745 125477 125730 126225 131699 132858 138303 139446 139995 142494 150975 153670 154275 155550 161925 163350 170434 171105 171450 181170 184525 185130 188595 193675 194310 199287 205326 209169 209550 213741 221430 230505 232410 233325 237490 250954 252450 255651 261239 263398 276606 277695 279990 285175 291465 301950 307989 308550 314325 323850 332145 342210 348615 356235 369050 376431 377190 384175 387350 395097 398574 414909 418338 426085 427482 452925 461010 462825 466650 485775 511302 513315 522478 553575 555390 570350 581025 582930 593725 615978 627385 628650 641223 658495 664290 691515 697230 699975 712470 752862 766953 768350 783717 790194 829818 852170 855525 905850 925650 937387 942975 971550 996435 1026630 1045845 1068705 1107150 1129293 1152525 1162050 1185291 1187450 1254770 1278255 1282446 1306195 1316990 1383030 1388475 1399950 1448689 1457325 1533906 1539945 1567434 1660725 1711050 1743075 1781175 1874774 1882155 1885950 1975485 1992870 2074545 2091690 2130425 2137410 2258586 2300859 2305050 2351151 2370582 2556510 2566575 2612390 2776950 2812161 2897378 2914650 3079890 3136925 3206115 3292475 3321450 3387879 3457575 3486150 3555873 3562350 3764310 3834765 3918585 3950970 4149090 4260850 4346067 4601718 4686935 4702302 4982175 5133150 5229225 5343525 5624322 5646465 5926455 6273850 6391275 6412230 6530975 6584950 6775758 6915150 7053453 7111746 7243445 7669530 7699725 7837170 8436483 8692134 9373870 9410775 9877425 9964350 10372725 10458450 10687050 11292930 11504295 11755755 11852910 12782550 13038201 13061950 14060805 14106906 14486890 15399450 15935579 16030575 16872966 16939395 17779365 18821550 19173825 19592925 19754850 20745450 21730335 23008590 23434675 23511510 25309449 26076402 28121610 28232325 29632275 31871158 32061150 33878790 35267265 35558730 36217225 38347650 39114603 39185850 42182415 43460670 46869350 47806737 50618898 56464650 57521475 58778775 59264550 65191005 70304025 70534530 72434450 78229206 79677895 84364830 84696975 88896825 95613474 108651675 115042950 117557550 126547245 130382010 140608050 143420211 159355790 169393950 176336325 177793650 195573015 210912075 217303350 239033685 253094490 286840422 325955025 352672650 391146030 398389475 421824150 430260633 478067370 632736225 651910050 717101055 796778950 860521266 977865075 1195168425 1265472450 1434202110 1955730150 2151303165 2390336850 3585505275 4302606330 7171010550 10756515825 21513031650
• Sum of all divisors σ(n): 70675476480
• Sum of proper divisors (its aliquot sum) s(n): 49162444830
• 21513031650 is an abundant number, because the sum of its proper divisors (49162444830) is greater than itself. Its abundance is 27649413180

Bases of 21513031650

• Binary: 10100000010010001101100111111100010₂
• Hexadecimal: 0x50246CFE2
• Base-36: 9VSAXGI

Squares and roots of 21513031650

• 21513031650 squared (21513031650²) is 462810530773901722500
• 21513031650 cubed (21513031650³) is 9956457596492246750132017125000
• The square root of 21513031650 is 146673.2138122019
• The cube root of 21513031650 is 2781.2105751093

Scales and comparisons

• 21,513,031,650 seconds is equal to 684 years, 2 weeks, 3 days, 10 hours, 7 minutes, 30 seconds.
• To count from 1 to 21,513,031,650 would take you about one thousand, three hundred sixty-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 21513031650 cubic inches would be around 231.8 feet tall.

Recreational maths with 21513031650

• 21513031650 backwards is 05613031512
• 21513031650 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21513031650's digits is 27
• More coming soon!