21308040000

Names of 21308040000

• Cardinal: 21308040000 can be written as Twenty-one billion, three hundred eight million, forty thousand.

Scientific notation

• Scientific notation: 2.130804 × 10¹⁰

Factors of 21308040000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 209

Divisors of 21308040000

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 29 30 32 36 39 40 45 48 50 52 58 60 64 65 72 75 78 80 87 90 96 100 104 116 117 120 125 130 144 145 150 156 157 160 174 180 192 195 200 208 225 232 234 240 250 260 261 288 290 300 312 314 320 325 348 360 375 377 390 400 416 435 450 464 468 471 480 500 520 522 576 580 585 600 624 625 628 650 696 720 725 750 754 780 785 800 832 870 900 928 936 942 960 975 1000 1040 1044 1125 1131 1160 1170 1200 1248 1250 1256 1300 1305 1392 1413 1440 1450 1500 1508 1560 1570 1600 1625 1740 1800 1856 1872 1875 1884 1885 1950 2000 2041 2080 2088 2175 2250 2262 2320 2340 2355 2400 2496 2500 2512 2600 2610 2784 2826 2880 2900 2925 3000 3016 3120 3140 3250 3393 3480 3600 3625 3744 3750 3768 3770 3900 3925 4000 4082 4160 4176 4350 4500 4524 4553 4640 4680 4710 4800 4875 5000 5024 5200 5220 5568 5625 5652 5655 5800 5850 6000 6032 6123 6240 6280 6500 6525 6786 6960 7065 7200 7250 7488 7500 7536 7540 7800 7850 8000 8125 8164 8352 8700 9000 9048 9106 9280 9360 9420 9425 9750 10000 10048 10205 10400 10440 10875 11250 11304 11310 11600 11700 11775 12000 12064 12246 12480 12560 13000 13050 13572 13659 13920 14130 14400 14500 14625 15000 15072 15080 15600 15700 16250 16328 16704 16965 17400 18000 18096 18125 18212 18369 18720 18840 18850 19500 19625 20000 20410 20800 20880 21750 22500 22608 22620 22765 23200 23400 23550 24000 24128 24375 24492 25120 26000 26100 27144 27318 27840 28260 28275 29000 29250 30000 30144 30160 30615 31200 31400 32500 32625 32656 33930 34800 35325 36000 36192 36250 36424 36738 37440 37680 37700 39000 39250 40000 40820 40977 41760 43500 45000 45216 45240 45530 46400 46800 47100 47125 48750 48984 50240 51025 52000 52200 54288 54375 54636 56520 56550 58000 58500 58875 59189 60000 60320 61230 62400 62800 65000 65250 65312 67860 68295 69600 70650 72000 72384 72500 72848 73125 73476 75360 75400 78000 78500 81640 81954 83520 84825 87000 90000 90432 90480 91060 91845 93600 94200 94250 97500 97968 98125 102050 104000 104400 108576 108750 109272 113040 113100 113825 116000 117000 117750 118378 120000 120640 122460 125600 130000 130500 130624 135720 136590 139200 141300 141375 145000 145696 146250 146952 150720 150800 153075 156000 157000 163125 163280 163908 169650 174000 176625 177567 180000 180960 182120 183690 187200 188400 188500 195000 195936 196250 204100 204885 208800 217152 217500 218544 226080 226200 227650 232000 234000 235500 235625 236756 244920 251200 255125 260000 261000 271440 273180 282600 282750 290000 291392 292500 293904 294375 295945 301600 306150 312000 314000 326250 326560 327816 339300 341475 348000 353250 355134 360000 361920 364240 367380 376800 377000 390000 391872 392500 408200 409770 417600 424125 435000 437088 452160 452400 455300 459225 468000 471000 471250 473512 489840 510250 520000 522000 532701 542880 546360 565200 565500 569125 580000 585000 587808 588750 591890 603200 612300 628000 652500 653120 655632 678600 682950 696000 706500 706875 710268 728480 734760 753600 754000 765375 780000 785000 816400 819540 848250 870000 874176 883125 887835 904800 910600 918450 936000 942000 942500 947024 979680 1020500 1024425 1044000 1065402 1085760 1092720 1130400 1131000 1138250 1160000 1170000 1175616 1177500 1183780 1224600 1256000 1275625 1305000 1311264 1357200 1365900 1413000 1413750 1420536 1456960 1469520 1479725 1508000 1530750 1560000 1570000 1632800 1639080 1696500 1707375 1740000 1766250 1775670 1809600 1821200 1836900 1884000 1885000 1894048 1959360 2041000 2048850 2088000 2120625 2130804 2185440 2260800 2262000 2276500 2296125 2340000 2355000 2367560 2449200 2551250 2610000 2622528 2663505 2714400 2731800 2826000 2827500 2841072 2845625 2939040 2959450 3016000 3061500 3140000 3265600 3278160 3393000 3414750 3480000 3532500 3551340 3642400 3673800 3768000 3770000 3788096 3826875 4082000 4097700 4241250 4261608 4370880 4439175 4524000 4553000 4592250 4680000 4710000 4735120 4898400 5102500 5122125 5220000 5327010 5428800 5463600 5652000 5655000 5682144 5691250 5878080 5918900 6123000 6280000 6556320 6786000 6829500 7065000 7102680 7284800 7347600 7398625 7540000 7653750 8164000 8195400 8482500 8523216 8536875 8878350 9048000 9106000 9184500 9420000 9470240 9796800 10205000 10244250 10440000 10654020 10927200 11304000 11310000 11364288 11382500 11480625 11837800 12246000 13112640 13317525 13572000 13659000 14130000 14205360 14695200 14797250 15080000 15307500 16328000 16390800 16965000 17046432 17073750 17756700 18212000 18369000 18840000 18940480 20410000 20488500 21308040 21854400 22195875 22620000 22765000 22961250 23675600 24492000 25610625 26635050 27144000 27318000 28260000 28410720 29390400 29594500 30615000 32781600 33930000 34092864 34147500 35513400 36424000 36738000 36993125 40820000 40977000 42616080 44391750 45240000 45530000 45922500 47351200 48984000 51221250 53270100 54636000 56520000 56821440 59189000 61230000 65563200 66587625 67860000 68295000 71026800 73476000 73986250 81640000 81954000 85232160 88783500 91060000 91845000 94702400 102442500 106540200 109272000 110979375 118378000 122460000 133175250 135720000 136590000 142053600 146952000 147972500 163908000 170464320 177567000 182120000 183690000 204885000 213080400 221958750 236756000 244920000 266350500 273180000 284107200 295945000 327816000 332938125 355134000 367380000 409770000 426160800 443917500 473512000 532701000 546360000 591890000 665876250 710268000 734760000 819540000 852321600 887835000 1065402000 1183780000 1331752500 1420536000 1639080000 1775670000 2130804000 2367560000 2663505000 3551340000 4261608000 5327010000 7102680000 10654020000 21308040000
• Sum of all divisors σ(n): 85566641160
• Sum of proper divisors (its aliquot sum) s(n): 64258601160
• 21308040000 is an abundant number, because the sum of its proper divisors (64258601160) is greater than itself. Its abundance is 42950561160

Bases of 21308040000

• Binary: 10011110110000011101110001101000000₂
• Hexadecimal: 0x4F60EE340
• Base-36: 9SE98W0

Squares and roots of 21308040000

• 21308040000 squared (21308040000²) is 454032568641600000000
• 21308040000 cubed (21308040000³) is 9674544133917958464000000000000
• The square root of 21308040000 is 145972.7371806119
• The cube root of 21308040000 is 2772.3485753191

Scales and comparisons

• 21,308,040,000 seconds is equal to 677 years, 27 weeks, 3 days, 20 hours.
• To count from 1 to 21,308,040,000 would take you about one thousand, three hundred fifty-five 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 21308040000 cubic inches would be around 231 feet tall.

Recreational maths with 21308040000

• 21308040000 backwards is 00004080312
• 21308040000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21308040000's digits is 18
• More coming soon!