6438982990440

Names of 6438982990440

• Cardinal: 6438982990440 can be written as Six trillion, four hundred thirty-eight billion, nine hundred eighty-two million, nine hundred ninety thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.43898299044 × 10¹²

Factors of 6438982990440

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 185541

Divisors of 6438982990440

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 13 14 15 17 20 21 22 24 26 28 30 33 34 35 39 40 42 44 51 52 55 56 60 65 66 68 70 77 78 84 85 88 91 102 104 105 110 119 120 130 132 136 140 143 154 156 165 168 170 182 187 195 204 210 220 221 231 238 255 260 264 273 280 286 289 308 312 330 340 357 364 374 385 390 408 420 429 440 442 455 462 476 510 520 546 561 572 578 595 616 660 663 680 714 715 728 748 770 780 840 858 867 884 910 924 935 952 1001 1020 1092 1105 1122 1144 1155 1156 1190 1309 1320 1326 1365 1428 1430 1445 1496 1540 1547 1560 1716 1734 1768 1785 1820 1848 1870 2002 2023 2040 2145 2184 2210 2244 2310 2312 2380 2431 2618 2652 2730 2805 2856 2860 2890 3003 3080 3094 3179 3315 3432 3468 3570 3640 3740 3757 3927 4004 4046 4290 4335 4420 4488 4620 4641 4760 4862 5005 5236 5304 5460 5610 5720 5780 6006 6069 6188 6358 6545 6630 6936 7140 7293 7480 7514 7735 7854 8008 8092 8580 8670 8840 9240 9282 9537 9724 10010 10115 10472 10920 11220 11271 11560 12012 12138 12155 12376 12716 13090 13260 14280 14586 15015 15028 15470 15708 15895 16184 17017 17160 17340 18564 18785 19074 19448 19635 20020 20230 22253 22440 22542 23205 24024 24276 24310 25432 26180 26299 26520 29172 30030 30056 30345 30940 31416 31790 34034 34680 36465 37128 37570 38148 39270 40040 40460 41327 44506 45084 46410 47685 48552 48620 51051 52360 52598 56355 58344 60060 60690 61880 63580 66759 68068 72930 75140 76296 78540 78897 80920 82654 85085 89012 90168 92820 95370 97240 102102 105196 111265 112710 120120 121380 123981 127160 131495 133518 136136 145860 150280 157080 157794 165308 170170 178024 185483 185640 190740 204204 206635 210392 222530 225420 242760 247962 255255 262990 267036 289289 291720 315588 330616 333795 340340 370966 381480 394485 408408 413270 445060 450840 495924 510510 525980 534072 556449 578578 619905 631176 667590 680680 741932 788970 826540 867867 890120 927415 991848 1021020 1051960 1112898 1157156 1239810 1298381 1335180 1446445 1483864 1577940 1653080 1735734 1854830 2040313 2042040 2225796 2314312 2411279 2479620 2596762 2670360 2782245 2892890 3153211 3155880 3471468 3709660 3895143 4080626 4339335 4451592 4822558 4959240 5193524 5564490 5785780 6120939 6306422 6491905 6942936 7233837 7419320 7790286 8161252 8678670 9459633 9645116 10201565 10387048 11128980 11571560 12056395 12241878 12612844 12983810 14282191 14467674 15580572 15766055 16322504 16878953 17357340 18919266 19290232 19475715 20403130 22072477 22257960 24112790 24483756 25225688 25967620 26524069 28564382 28935348 30604695 31161144 31532110 33757906 34685321 34714680 36169185 37838532 38951430 40806260 40991743 42846573 44144954 47298165 48225580 48967512 50636859 51935240 53048138 53604587 57128764 57870696 61209390 63064220 66217431 67515812 69370642 71410955 72338370 75677064 77902860 79572207 81612520 81983486 84394765 85693146 88289908 94596330 96451160 101273718 104055963 106096276 107209174 110362385 114257528 122418780 122975229 126128440 132434862 132620345 135031624 138741284 142821910 144676740 155805720 159144414 160813761 163966972 168789530 171386292 173426605 176579816 185668483 189192660 202547436 204958715 208111926 212192552 214232865 214418348 220724770 242797247 244837560 245950458 253184295 264869724 265240690 268022935 277482568 285643820 286942201 289353480 318288828 321627522 327933944 331087155 337579060 342772584 346853210 371336966 375232109 378385320 397861035 405094872 409917430 416223852 428465730 428836696 441449540 450909173 485594494 491900916 506368590 520279815 529739448 530481380 536045870 557005449 571287640 573884402 589650457 614876145 636577656 643255044 662174310 675158120 693706420 696859631 728391741 742673932 750464218 795722070 804068805 819834860 832447704 856931460 860826603 882899080 901818346 928342415 971188988 983801832 1012737180 1040559630 1060962760 1072091740 1114010898 1125696327 1147768804 1179300914 1213986235 1229752290 1286510088 1324348620 1352727519 1387412840 1393719262 1434711005 1456783482 1485347864 1500928436 1591444140 1608137610 1639669720 1713862920 1721653206 1768951371 1803636692 1856684830 1876160545 1942377976 2025474360 2081119260 2090578893 2144183480 2228021796 2251392654 2254545865 2295537608 2358601828 2427972470 2459504580 2648697240 2705455038 2785027245 2787438524 2869422010 2913566964 2948252285 3001856872 3156364211 3182888280 3216275220 3443306412 3484298155 3537902742 3607273384 3641958705 3713369660 3752321090 4127553199 4162238520 4181157786 4304133015 4456043592 4502785308 4509091730 4717203656 4855944940 4878017417 4919009160 5410910076 5570054490 5574877048 5628481635 5738844020 5827133928 5896504570 6312728422 6432550440 6763637595 6886612824 6968596310 7075805484 7283917410 7426739320 7504642180 7665455941 8255106398 8362315572 8608266030 8844756855 9005570616 9018183460 9469092633 9711889880 9756034834 10452894465 10821820152 11140108980 11256963270 11477688040 11793009140 12382659597 12625456844 13527275190 13937192620 14151610968 14567834820 14634052251 15009284360 15330911882 15781821055 16510212796 16724631144 17216532060 17689513710 18036366920 18938185266 19512069668 20637765995 20905788930 22280217960 22513926540 22996367823 23586018280 24390087085 24765319194 25250913688 27054550380 27874385240 29135669640 29268104502 30661823764 31563642110 33020425592 34433064120 35379027420 37876370532 38327279705 39024139336 41275531990 41811577860 45027853080 45992735646 47345463165 48780174170 49530638388 53658191587 54109100760 58536209004 61323647528 61913297985 63127284220 70758054840 73170261255 75752741064 76654559410 82551063980 83623155720 91985471292 94690926330 97560348340 99061276776 107316383174 114981839115 117072418008 123826595970 126254568440 146340522510 153309118820 160974574761 165102127960 183970942584 189381852660 195120696680 214632766348 229963678230 247653191940 268290957935 292681045020 306618237640 321949149522 378763705320 429265532696 459927356460 495306383880 536581915870 585362090040 643898299044 804872873805 919854712920 1073163831740 1287796598088 1609745747610 2146327663480 3219491495220 6438982990440
• Sum of all divisors σ(n): 27551585617920
• Sum of proper divisors (its aliquot sum) s(n): 21112602627480
• 6438982990440 is an abundant number, because the sum of its proper divisors (21112602627480) is greater than itself. Its abundance is 14673619637040

Bases of 6438982990440

• Binary: 1011101101100110001010010110011101001101000₂
• Hexadecimal: 0x5DB314B3A68
• Base-36: 2A61080VC

Squares and roots of 6438982990440

• 6438982990440 squared (6438982990440²) is 41460501951175645131393600
• 6438982990440 cubed (6438982990440³) is 266963466838724410361836989252677184000
• The square root of 6438982990440 is 2537515.1212239111
• The cube root of 6438982990440 is 18603.9755159299

Scales and comparisons

• 6,438,982,990,440 seconds is equal to 204,739 years, 38 weeks, 4 days, 2 hours, 14 minutes.
• To count from 1 to 6,438,982,990,440 would take you about five hundred eleven thousand, eight hundred forty-nine 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 6438982990440 cubic inches would be around 1550.3 feet tall.

Recreational maths with 6438982990440

• 6438982990440 backwards is 0440992898346
• 6438982990440 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 6438982990440's digits is 66
• More coming soon!