21328155310

Names of 21328155310

• Cardinal: 21328155310 can be written as Twenty-one billion, three hundred twenty-eight million, one hundred fifty-five thousand, three hundred ten.

Scientific notation

• Scientific notation: 2.132815531 × 10¹⁰

Factors of 21328155310

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 153

Divisors of 21328155310

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 7 10 11 14 19 22 31 35 37 38 41 55 62 70 74 77 82 95 110 133 154 155 185 190 205 209 217 259 266 287 310 341 370 385 407 410 418 434 451 518 574 589 665 682 703 770 779 814 902 961 1045 1085 1147 1178 1271 1295 1330 1406 1435 1463 1517 1558 1705 1922 2035 2090 2170 2255 2294 2387 2542 2590 2849 2870 2926 2945 3034 3157 3410 3515 3895 4070 4123 4510 4774 4805 4921 5453 5698 5735 5890 6314 6355 6479 6727 7030 7315 7585 7733 7790 8029 8246 8569 8897 9610 9842 10571 10619 10906 11470 11935 12617 12710 12958 13454 13981 14245 14630 15170 15466 15785 16058 16687 17138 17794 18259 20615 21142 21238 21793 23870 24149 24605 25234 27265 27962 28490 28823 31570 32395 33374 33635 35557 36518 38665 39401 40145 41230 42845 43586 44485 45353 47027 48298 49210 52855 53095 54131 54530 57646 59983 63085 64790 67270 69905 71114 73997 77330 78802 80290 83435 85690 88319 88970 90706 91295 94054 97867 105710 106190 108262 108965 116809 119966 120745 126170 127813 139810 144115 147994 152551 166870 169043 176638 177785 182590 195734 197005 200849 201761 217930 226765 233618 235135 239723 241490 248899 255626 265639 270655 275807 288230 299915 305102 317053 329189 338086 355570 369985 391127 394010 401698 403522 433411 441595 453530 470270 479446 489335 497798 517297 531278 541310 551614 584045 599830 634106 639065 658378 675583 739970 748619 762755 782254 845215 866822 883190 893513 978670 1004245 1008805 1034594 1168090 1198615 1244495 1278130 1328195 1351166 1379035 1405943 1457837 1497238 1525510 1585265 1645945 1678061 1690430 1787026 1859473 1955635 2008490 2017610 2167055 2219371 2397230 2488990 2586485 2656390 2737889 2758070 2811886 2915674 3033877 3170530 3291890 3356122 3377915 3621079 3718946 3743095 3911270 4334110 4438742 4467565 4729081 5172970 5240333 5475778 6067754 6254591 6755830 7029715 7242158 7289185 7431413 7486190 8234809 8390305 8935130 9297365 9458162 9828643 10204859 10480666 11096855 12509182 13689445 14059430 14578370 14862826 15169385 16036207 16469618 16780610 18105395 18594730 19657286 20409718 22193710 23645405 26201665 27378890 27698903 30338770 31272955 32072414 36210790 37157065 41174045 47290810 49143215 51024295 52019891 52403330 55397806 57643663 62545910 68800501 74314130 80181035 82348090 98286430 102048590 104039782 112253449 115287326 137601002 138494515 160362070 193892321 224506898 260099455 276989030 288218315 304687933 344002505 387784642 520198910 561267245 576436630 609375866 688005010 969461605 1122534490 1523439665 1938923210 2132815531 3046879330 4265631062 10664077655 21328155310
• Sum of all divisors σ(n): 54771655680
• Sum of proper divisors (its aliquot sum) s(n): 33443500370
• 21328155310 is an abundant number, because the sum of its proper divisors (33443500370) is greater than itself. Its abundance is 12115345060

Bases of 21328155310

• Binary: 10011110111010000011101001010101110₂
• Hexadecimal: 0x4F741D2AE
• Base-36: 9SQ8DYM

Squares and roots of 21328155310

• 21328155310 squared (21328155310²) is 454890208927481196100
• 21328155310 cubed (21328155310³) is 9701969025003667477525366291000
• The square root of 21328155310 is 146041.6218411723
• The cube root of 21328155310 is 2773.2206891919

Scales and comparisons

• 21,328,155,310 seconds is equal to 678 years, 8 weeks, 5 days, 15 hours, 35 minutes, 10 seconds.
• To count from 1 to 21,328,155,310 would take you about one thousand, three hundred fifty-six 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 21328155310 cubic inches would be around 231.1 feet tall.

Recreational maths with 21328155310

• 21328155310 backwards is 01355182312
• 21328155310 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21328155310's digits is 31
• More coming soon!