8381085393720

Names of 8381085393720

• Cardinal: 8381085393720 can be written as Eight trillion, three hundred eighty-one billion, eighty-five million, three hundred ninety-three thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 8.38108539372 × 10¹²

Factors of 8381085393720

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7575

Divisors of 8381085393720

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 17 20 24 26 30 34 39 40 41 51 52 60 61 65 68 78 82 85 102 104 120 122 123 130 136 156 164 170 183 195 204 205 221 244 246 255 260 289 305 312 328 340 366 390 408 410 442 488 492 510 520 533 578 610 615 663 680 697 732 780 793 820 867 884 915 984 1020 1037 1066 1105 1156 1220 1230 1326 1394 1445 1464 1560 1586 1599 1640 1734 1768 1830 2040 2074 2091 2132 2210 2312 2379 2440 2460 2501 2652 2665 2788 2890 3111 3172 3198 3315 3468 3485 3660 3757 3965 4148 4182 4264 4335 4420 4758 4920 5002 5185 5304 5330 5576 5780 6222 6344 6396 6630 6936 6970 7320 7433 7503 7514 7930 7995 8296 8364 8670 8840 9061 9516 10004 10370 10455 10660 11271 11560 11849 11895 12444 12505 12792 13260 13481 13940 14866 15006 15028 15555 15860 15990 16728 17340 17629 18122 18785 19032 20008 20740 20910 21320 22299 22542 23698 23790 24888 25010 26520 26962 27183 27880 29732 30012 30056 31110 31720 31980 32513 34680 35258 35547 36244 37165 37515 37570 40443 41480 41820 42517 44598 45084 45305 47396 47580 50020 52887 53924 54366 56355 59245 59464 60024 62220 63960 65026 67405 70516 71094 72488 74330 75030 75140 80886 83640 85034 88145 89196 90168 90610 94792 95160 96629 97539 100040 105774 107848 108732 111495 112710 118490 124440 126361 127551 130052 134810 135915 141032 142188 148660 150060 150280 154037 161772 162565 170068 176290 177735 178392 181220 193258 195078 202215 211548 212585 217464 222990 225420 229177 236980 252722 255102 260104 264435 269620 271830 284376 289887 297320 300120 304753 308074 323544 325130 340136 352580 355470 362440 379083 386516 390156 404430 423096 425170 445980 450840 453413 458354 462111 473960 483145 487695 505444 510204 528870 539240 543660 552721 579774 609506 616148 631805 637755 650260 687531 705160 710940 722789 758166 770185 773032 780312 808860 850340 891960 906826 914259 916708 924222 966290 975390 1010888 1020408 1057740 1087320 1105442 1145885 1159548 1219012 1232296 1263610 1275510 1300520 1360239 1375062 1421880 1445578 1449435 1516332 1523765 1540370 1617720 1642693 1658163 1700680 1813652 1828518 1833416 1848444 1895415 1932580 1950780 2115480 2148137 2168367 2210884 2267065 2291770 2310555 2319096 2438024 2527220 2551020 2720478 2750124 2763605 2891156 2898870 3032664 3047530 3080740 3285386 3316326 3437655 3613945 3627304 3657036 3696888 3790830 3865160 3901560 3961789 4296274 4336734 4421768 4534130 4571295 4583540 4621110 4928079 5054440 5102040 5180801 5440956 5500248 5527210 5782312 5797740 5894369 6095060 6161480 6444411 6570772 6632652 6801195 6875310 7227890 7314072 7581660 7708021 7923578 8213465 8290815 8592548 8673468 9068260 9142590 9167080 9242220 9396257 9856158 10361602 10740685 10841835 10881912 11054420 11595480 11788738 11885367 12190120 12888822 13141544 13265304 13602390 13750620 14455780 15163320 15416042 15542403 15847156 16426930 16581630 17185096 17346936 17683107 18136520 18285180 18484440 18589933 18792514 19712316 19808945 20723204 21481370 21683670 22108840 23124063 23577476 23770734 24640395 25777644 25904005 27204780 27501240 27925781 28188771 28911560 29471845 30832084 31084806 31694312 32222055 32853860 33163260 35366214 36570360 37179866 37585028 38540105 39424632 39617890 41446408 42962740 43367340 46248126 46981285 47154952 47541468 49280790 51555288 51808010 54409560 55769799 55851562 56377542 58943690 59426835 61664168 62169612 64444110 65707720 66326520 67350413 70732428 74359732 75170056 77080210 77712015 79235780 83777343 85925480 86734680 88073617 88415535 92496252 92949665 93962570 95082936 98561580 100204273 103616020 111539598 111703124 112755084 115620315 117887380 118853670 124339224 128888220 131036357 134700826 139628905 140943855 141464856 148719464 154160420 155424030 158471560 167554686 176147234 176831070 184992504 185899330 187925140 197123160 200408546 202051239 207232040 223079196 223406248 225510168 231240630 235774760 237707340 241669129 257776440 262072714 264220851 269401652 278848995 279257810 281887710 300612819 308320840 310848060 316028861 335109372 336752065 352294468 353662140 371798660 375850280 393109071 400817092 404102478 418886715 440368085 446158392 462481260 475414680 483338258 501021365 524145428 528441702 538803304 557697990 558515620 563775420 601225638 621696120 632057722 655181785 670218744 673504130 704588936 707324280 725007387 743597320 786218142 801634184 808204956 837773430 880736170 924962520 948086583 966676516 1002042730 1010256195 1048290856 1056883404 1115395980 1117031240 1127550840 1144957021 1202451276 1208345645 1264115444 1310363570 1321104255 1347008260 1450014774 1503064095 1572436284 1580144305 1616409912 1675546860 1703472641 1761472340 1896173166 1933353032 1965545355 2004085460 2020512390 2113766808 2230791960 2289914042 2404902552 2416691290 2528230888 2620727140 2642208510 2694016520 2900029548 3006128190 3144872568 3160288610 3351093720 3406945282 3434871063 3522944680 3625036935 3792346332 3931090710 4008170920 4041024780 4108375193 4579828084 4740432915 4833382580 5110417923 5241454280 5284417020 5372490637 5724785105 5800059096 6012256380 6320577220 6813890564 6869742126 7250073870 7584692664 7862181420 8082049560 8216750386 8517363205 9159656168 9480865830 9666765160 10220835846 10568834040 10744981274 11449570210 12024512760 12325125579 12641154440 13627781128 13739484252 14500147740 15724362840 16117471911 16433500772 17034726410 17174355315 18961731660 20441671692 20541875965 21489962548 22899140420 24650251158 25552089615 26862453185 27478968504 29000295480 32234943822 32867001544 34069452820 34348710630 37923463320 40883343384 41083751930 42979925096 45798280840 49300502316 51104179230 53724906370 61625627895 64469887644 68138905640 68697421260 69842378281 80587359555 82167503860 98601004632 102208358460 107449812740 123251255790 128939775288 137394842520 139684756562 161174719110 164335007720 204416716920 209527134843 214899625480 246502511580 279369513124 322349438220 349211891405 419054269686 493005023160 558739026248 644698876440 698423782810 838108539372 1047635674215 1396847565620 1676217078744 2095271348430 2793695131240 4190542696860 8381085393720
• Sum of all divisors σ(n): 29952456670080
• Sum of proper divisors (its aliquot sum) s(n): 21571371276360
• 8381085393720 is an abundant number, because the sum of its proper divisors (21571371276360) is greater than itself. Its abundance is 13190285882640

Bases of 8381085393720

• Binary: 1111001111101011111100111100010001100111000₂
• Hexadecimal: 0x79F5F9E2338
• Base-36: 2YY7TULVC

Squares and roots of 8381085393720

• 8381085393720 squared (8381085393720²) is 70242592376826727415438400
• 8381085393720 cubed (8381085393720³) is 588709164986450303344838660670406848000
• The square root of 8381085393720 is 2895010.4306755097
• The cube root of 8381085393720 is 20312.6579421007

Scales and comparisons

• 8,381,085,393,720 seconds is equal to 266,492 years, 30 weeks, 5 days, 4 hours, 2 minutes.
• To count from 1 to 8,381,085,393,720 would take you about six hundred sixty-six thousand, two hundred thirty-one 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 8381085393720 cubic inches would be around 1692.7 feet tall.

Recreational maths with 8381085393720

• 8381085393720 backwards is 0273935801838
• The number of decimal digits it has is: 13
• The sum of 8381085393720's digits is 57
• More coming soon!