7981272048420

Names of 7981272048420

• Cardinal: 7981272048420 can be written as Seven trillion, nine hundred eighty-one billion, two hundred seventy-two million, forty-eight thousand, four hundred twenty.

Scientific notation

• Scientific notation: 7.98127204842 × 10¹²

Factors of 7981272048420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 124

Divisors of 7981272048420

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 103 108 110 121 132 135 162 165 180 198 206 220 242 243 270 297 309 324 330 363 396 405 412 484 486 495 515 540 594 605 618 660 726 729 810 891 927 972 990 1030 1089 1133 1188 1210 1215 1236 1331 1452 1458 1485 1545 1620 1782 1815 1854 1980 2060 2178 2187 2266 2420 2430 2662 2673 2781 2916 2970 3090 3267 3399 3564 3630 3645 3708 3993 4356 4374 4455 4532 4635 4860 5324 5346 5445 5562 5665 5940 6180 6534 6655 6798 7260 7290 7986 8019 8343 8748 8910 9270 9801 10197 10692 10890 10935 11124 11330 11979 12463 13068 13310 13365 13596 13905 14580 14641 15972 16038 16335 16686 16995 17820 18540 19602 19965 20394 21780 21870 22660 23958 24057 24926 25029 26620 26730 27810 29282 29403 30591 32076 32670 33372 33990 35937 37389 39204 39930 40095 40788 41715 43740 43923 47916 48114 49005 49852 50058 50985 53460 55620 58564 58806 59895 61182 62315 65340 67980 71874 73205 74778 75087 79860 80190 83430 87846 88209 91773 96228 98010 100116 101970 107811 112167 117612 119790 120285 122364 124630 125145 131769 137093 143748 146410 147015 149556 150174 152955 160380 161051 166860 175692 176418 179685 183546 186945 196020 203940 215622 219615 224334 225261 239580 240570 249260 250290 263538 264627 274186 275319 292820 294030 300348 305910 322102 323433 336501 352836 359370 367092 373890 375435 395307 411279 431244 439230 441045 448668 450522 458865 481140 483153 500580 527076 529254 539055 548372 550638 560835 588060 611820 644204 646866 658845 673002 685465 718740 747780 750870 790614 805255 822558 825957 878460 882090 901044 917730 966306 970299 1009503 1058508 1078110 1101276 1121670 1126305 1185921 1233837 1293732 1317690 1323135 1346004 1370930 1376595 1449459 1501740 1508023 1581228 1610510 1617165 1645116 1651914 1682505 1764180 1771561 1835460 1932612 1940598 1976535 2019006 2056395 2156220 2243340 2252610 2371842 2415765 2467674 2477871 2635380 2646270 2741860 2753190 2898918 2910897 3016046 3028509 3221020 3234330 3303828 3365010 3543122 3557763 3701511 3881196 3953070 4038012 4112790 4129785 4348377 4505220 4524069 4743684 4831530 4851495 4935348 4955742 5047515 5292540 5314683 5506380 5797836 5821794 5929605 6032092 6057018 6169185 6468660 6730020 7086244 7115526 7247295 7403022 7540115 7906140 8225580 8259570 8696754 8857805 9048138 9085527 9663060 9702990 9911484 10095030 10629366 10673289 11104533 11643588 11859210 12114036 12338370 12389355 13045131 13572207 14231052 14494590 14554485 14806044 15080230 15142545 15944049 16519140 16588253 17393508 17715610 17788815 18096276 18171054 18507555 19405980 20190060 21258732 21346578 21741885 22209066 22620345 23718420 24676740 24778710 26090262 26573415 27144414 27256581 28989180 29108970 30160460 30285090 31888098 32019867 33176506 33313599 35431220 35577630 36342108 37015110 39135393 40716621 42693156 43483770 44418132 45240690 45427635 47832147 49557420 49764759 52180524 53146830 53366445 54288828 54513162 55522665 58217940 60570180 63776196 64039734 65225655 66353012 66627198 67861035 71155260 74030220 78270786 79720245 81433242 82941265 86967540 90481380 90855270 95664294 99529518 99940797 106293660 106732890 109026324 111045330 117406179 122149863 128079468 130451310 133254396 135722070 136282905 143496441 149294277 156541572 159440490 160099335 162866484 165882530 166567995 181710540 182470783 191328588 195676965 199059036 199881594 203583105 213465780 222090660 234812358 239160735 244299726 248823795 260902620 271444140 272565810 286992882 298588554 299822391 318880980 320198670 331765060 333135990 352218537 364941566 366449589 391353930 399763188 407166210 430489323 447882831 469624716 478321470 488599452 497647590 499703985 545131620 547412349 573985764 587030895 597177108 599644782 610749315 640397340 666271980 704437074 717482205 729883132 732899178 746471385 782707860 814332420 860978646 895765662 912353915 956642940 995295180 999407970 1094824698 1099348767 1174061790 1199289564 1221498630 1291467969 1343648493 1408874148 1434964410 1465798356 1492942770 1499111955 1642237047 1721957292 1761092685 1791531324 1824707830 1832247945 1998815940 2152446615 2189649396 2198697534 2239414155 2348123580 2442997260 2582935938 2687296986 2737061745 2869928820 2985885540 2998223910 3284474094 3298046301 3522185370 3649415660 3664495890 3874403907 4030945479 4304893230 4397395068 4478828310 4926711141 5165871876 5374593972 5474123490 5496743835 5996447820 6457339845 6568948188 6596092602 6718242465 7044370740 7328991780 7748807814 8061890958 8211185235 8609786460 8957656620 9853422282 10948246980 10993487670 12092836437 12914679690 13192185204 13436484930 14780133423 15497615628 16123781916 16422370470 16490231505 19372019535 19706844564 20154727395 21986975340 24185672874 24633555705 25829359380 26872969860 29560266846 32844740940 32980463010 36278509311 38744039070 40309454790 44340400269 48371345748 49267111410 59120533692 60464182185 65960926020 72557018622 73900667115 77488078140 80618909580 88680800538 98534222820 120928364370 133021200807 145114037244 147801334230 177361601076 181392546555 221702001345 241856728740 266042401614 295602668460 362785093110 399063602421 443404002690 532084803228 665106004035 725570186220 798127204842 886808005380 1330212008070 1596254409684 1995318012105 2660424016140 3990636024210 7981272048420
• Sum of all divisors σ(n): 27919346407680
• Sum of proper divisors (its aliquot sum) s(n): 19938074359260
• 7981272048420 is an abundant number, because the sum of its proper divisors (19938074359260) is greater than itself. Its abundance is 11956802310840

Bases of 7981272048420

• Binary: 1110100001001001000111000101010001100100100₂
• Hexadecimal: 0x74248E2A324
• Base-36: 2TUJNB290

Squares and roots of 7981272048420

• 7981272048420 squared (7981272048420²) is 63700703510890382824496400
• 7981272048420 cubed (7981272048420³) is 508412644396159171503746367782915688000
• The square root of 7981272048420 is 2825114.5195230583
• The cube root of 7981272048420 is 19984.3811794807

Scales and comparisons

• 7,981,272,048,420 seconds is equal to 253,779 years, 39 weeks, 4 days, 21 hours, 27 minutes.
• To count from 1 to 7,981,272,048,420 would take you about six hundred thirty-four thousand, four 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 7981272048420 cubic inches would be around 1665.4 feet tall.

Recreational maths with 7981272048420

• 7981272048420 backwards is 0248402721897
• 7981272048420 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 7981272048420's digits is 54
• More coming soon!