21324997980

Names of 21324997980

• Cardinal: 21324997980 can be written as Twenty-one billion, three hundred twenty-four million, nine hundred ninety-seven thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.132499798 × 10¹⁰

Factors of 21324997980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 204

Divisors of 21324997980

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 13 15 18 20 22 26 27 30 33 36 39 44 45 52 54 55 60 65 66 73 78 81 90 97 99 108 110 117 130 132 135 143 146 156 162 165 169 180 194 195 198 219 220 234 260 270 286 291 292 297 324 330 338 351 365 388 390 396 405 429 438 468 485 495 507 540 572 582 585 594 657 660 676 702 715 730 780 803 810 845 858 873 876 891 949 970 990 1014 1053 1067 1095 1164 1170 1188 1261 1287 1314 1404 1430 1455 1460 1485 1521 1606 1620 1690 1716 1746 1755 1782 1859 1898 1940 1971 1980 2028 2106 2134 2145 2190 2340 2409 2522 2535 2574 2619 2628 2847 2860 2910 2970 3042 3201 3212 3285 3380 3492 3510 3564 3718 3783 3796 3861 3942 4015 4212 4268 4290 4365 4380 4455 4563 4745 4818 5044 5070 5148 5238 5265 5335 5577 5694 5820 5913 5940 6084 6305 6402 6435 6570 7020 7081 7227 7436 7566 7605 7722 7857 7884 8030 8541 8580 8730 8910 9126 9295 9490 9603 9636 9855 10140 10439 10476 10530 10670 11154 11349 11388 11583 11826 12045 12337 12610 12804 12870 13095 13140 13689 13871 14162 14235 14454 15132 15210 15444 15714 16005 16060 16393 16731 17082 17460 17820 18252 18590 18915 18980 19206 19305 19710 20878 21060 21243 21340 21681 22308 22698 22815 23166 23652 24090 24674 25220 25623 25740 26190 27378 27742 27885 28324 28470 28809 28908 29565 30420 31317 31428 32010 32786 33462 34047 34164 35405 36135 37011 37180 37830 38412 38610 39285 39420 41613 41756 42486 42705 43362 45396 45630 46332 48015 48180 49179 49348 50193 51246 52195 52380 54756 55484 55770 56745 56940 57618 57915 59130 61685 62634 63729 64020 65043 65572 66924 68094 68445 69355 70810 72270 74022 75660 76869 77220 77891 78570 81965 83226 83655 84972 85410 86427 86724 91260 92053 93951 96030 98358 100386 102141 102492 104390 106215 108405 111033 111540 113490 115236 115830 118260 123370 124839 125268 127458 128115 130086 135707 136188 136890 138710 141620 144045 144540 147537 148044 150579 153738 155782 156585 157140 163930 166452 167310 170235 170820 172854 180323 184106 185055 187902 191187 192060 196716 200772 204282 208065 208780 212430 216810 222066 226980 231660 233673 245895 246740 249678 250965 254916 256230 260172 271414 273780 276159 277420 281853 288090 295074 301158 307476 311564 313170 318645 325215 327860 333099 334620 340470 345708 360646 368212 370110 374517 375804 382374 384345 389455 407121 408564 416130 424860 432135 433620 442611 444132 460265 467346 469755 491790 499356 501930 510705 512460 540969 542828 552318 555165 563706 573561 576180 590148 602316 624195 626340 637290 650430 666198 678535 680940 701019 721292 737685 740220 749034 752895 764748 768690 778910 814242 828477 832260 845559 864270 885222 901615 920530 934692 939510 955935 983580 999297 1003860 1012583 1021410 1081938 1104636 1110330 1123551 1127412 1147122 1168365 1196689 1221363 1248390 1274580 1300860 1327833 1332396 1357070 1380795 1402038 1409265 1475370 1498068 1505790 1537380 1557820 1622907 1628484 1656954 1665495 1691118 1728540 1770444 1803230 1841060 1872585 1879020 1911870 1998594 2025166 2035605 2042820 2103057 2163876 2213055 2220660 2247102 2294244 2336730 2393378 2442726 2485431 2496780 2655666 2704845 2714140 2761590 2804076 2818530 2867805 2950740 3011580 3037749 3245814 3313908 3330990 3382236 3505095 3590067 3606460 3664089 3745170 3823740 3997188 4050332 4071210 4142385 4206114 4227795 4426110 4494204 4673460 4786756 4868721 4885452 4970862 4996485 5062915 5311332 5409690 5523180 5617755 5637060 5735610 5983445 6075498 6106815 6309171 6491628 6639165 6661980 7010190 7180134 7328178 7456293 7490340 8114535 8142420 8284770 8412228 8455590 8852220 9113247 9737442 9941724 9992970 10125830 10515285 10770201 10819380 10992267 11235510 11471220 11966890 12150996 12213630 12427155 12618342 13163579 13278330 14020380 14360268 14606163 14656356 14912586 15188745 16229070 16569540 16911180 17950335 18226494 18320445 19474884 19985940 20251660 21030570 21540402 21984534 22471020 23933780 24343605 24427260 24854310 25236684 26327158 26556660 27339741 29212326 29825172 30377490 31545855 32310603 32458140 35900670 36452988 36640890 37281465 39490737 42061140 43080804 43969068 45566235 48687210 49708620 52654316 53851005 54679482 54961335 58424652 60754980 63091710 64621206 65817895 71801340 73030815 73281780 74562930 78981474 82019223 91132470 96931809 97374420 107702010 109358964 109922670 118472211 126183420 129242412 131635790 136698705 146061630 149125860 157962948 161553015 164038446 182264940 193863618 197453685 215404020 219845340 236944422 263271580 273397410 292123260 323106030 328076892 355416633 387727236 394907370 410096115 473888844 484659045 546794820 592361055 646212060 710833266 789814740 820192230 969318090 1066249899 1184722110 1421666532 1640384460 1777083165 1938636180 2132499798 2369444220 3554166330 4264999596 5331249495 7108332660 10662498990 21324997980
• Sum of all divisors σ(n): 80932842144
• Sum of proper divisors (its aliquot sum) s(n): 59607844164
• 21324997980 is an abundant number, because the sum of its proper divisors (59607844164) is greater than itself. Its abundance is 38282846184

Bases of 21324997980

• Binary: 10011110111000100011010010101011100₂
• Hexadecimal: 0x4F711A55C
• Base-36: 9SOCPR0

Squares and roots of 21324997980

• 21324997980 squared (21324997980²) is 454755538847004080400
• 21324997980 cubed (21324997980³) is 9697660947306173543581757592000
• The square root of 21324997980 is 146030.8117487539
• The cube root of 21324997980 is 2773.0838371473

Scales and comparisons

• 21,324,997,980 seconds is equal to 678 years, 3 weeks, 4 days, 2 hours, 33 minutes.
• To count from 1 to 21,324,997,980 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 21324997980 cubic inches would be around 231.1 feet tall.

Recreational maths with 21324997980

• 21324997980 backwards is 08979942312
• 21324997980 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21324997980's digits is 54
• More coming soon!