1990486945920

Names of 1990486945920

• Cardinal: 1990486945920 can be written as One trillion, nine hundred ninety billion, four hundred eighty-six million, nine hundred forty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.99048694592 × 10¹²

Factors of 1990486945920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 338

Divisors of 1990486945920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 31 32 33 40 44 48 55 59 60 62 64 66 80 88 93 96 110 118 120 124 128 132 155 160 165 176 177 186 192 220 227 236 240 248 264 295 310 320 330 341 352 354 372 384 440 454 465 472 480 496 528 590 620 640 649 660 681 682 704 708 744 880 885 908 930 944 960 992 1023 1056 1135 1180 1240 1298 1320 1362 1364 1408 1416 1488 1705 1760 1770 1816 1829 1860 1888 1920 1947 1984 2046 2112 2270 2360 2480 2497 2596 2640 2724 2728 2832 2976 3245 3405 3410 3520 3540 3632 3658 3720 3776 3894 3968 4092 4224 4540 4720 4960 4994 5115 5192 5280 5448 5456 5487 5664 5952 6490 6810 6820 7037 7040 7080 7264 7316 7440 7491 7552 7788 8184 9080 9145 9440 9735 9920 9988 10230 10384 10560 10896 10912 10974 11328 11904 12485 12980 13393 13620 13640 14074 14160 14528 14632 14880 14982 15576 16368 18160 18290 18880 19470 19840 19976 20119 20460 20768 21111 21120 21792 21824 21948 22656 24970 25960 26786 27240 27280 27435 28148 28320 29056 29264 29760 29964 31152 32736 35185 36320 36580 37455 37760 38940 39952 40179 40238 40920 41536 42222 43584 43648 43896 49940 51529 51920 53572 54480 54560 54870 56296 56640 58528 59520 59928 60357 62304 65472 66965 70370 72640 73160 74910 77407 77880 79904 80358 80476 81840 83072 84444 87168 87792 99880 100595 103058 103840 105555 107144 108960 109120 109740 112592 113280 117056 119856 120714 124608 130944 133930 140740 145280 146320 147323 149820 154587 154814 155760 159808 160716 160952 163680 168888 175584 199760 200895 201190 206116 207680 211110 214288 217920 218240 219480 225184 232221 234112 239712 241428 249216 257645 267860 281480 292640 294646 299640 301785 309174 309628 311520 319616 321432 321904 327360 337776 351168 387035 399520 401790 402380 412232 415183 415360 422220 428576 435840 438960 441969 450368 464442 479424 482856 515290 535720 562960 566819 585280 589292 599280 603570 618348 619256 623040 642864 643808 654720 675552 702336 736615 772935 774070 799040 803580 804760 824464 830366 844440 857152 877920 883938 900736 928884 958848 965712 1030580 1071440 1125920 1133638 1161105 1170560 1178584 1198560 1207140 1236696 1238512 1245549 1246080 1285728 1287616 1351104 1473230 1545870 1548140 1597399 1598080 1607160 1609520 1648928 1660732 1688880 1700457 1714304 1755840 1767876 1857768 1931424 2061160 2075915 2142880 2209845 2251840 2267276 2322210 2357168 2397120 2414280 2473392 2477024 2491098 2571456 2575232 2702208 2834095 2946460 3040211 3091740 3096280 3194798 3214320 3219040 3297856 3321464 3377760 3400914 3511680 3535752 3715536 3862848 4122320 4151830 4285760 4419690 4503680 4534552 4567013 4644420 4714336 4792197 4794240 4828560 4946784 4954048 4982196 5142912 5668190 5892920 6080422 6183480 6192560 6227745 6389596 6428640 6438080 6595712 6642928 6755520 6801828 7071504 7431072 7725696 7986995 8244640 8303660 8502285 8571520 8839380 9069104 9120633 9134026 9288840 9428672 9584394 9657120 9893568 9908096 9964392 11336380 11785840 12160844 12366960 12385120 12455490 12779192 12857280 12876160 13285856 13511040 13603656 13701039 14143008 14862144 15201055 15973990 16489280 16607320 17004570 17571389 17678760 18138208 18241266 18268052 18577680 18857344 19168788 19314240 19787136 19928784 22672760 22835065 23571680 23960985 24321688 24733920 24770240 24910980 25558384 25714560 26571712 27207312 27402078 28286016 29724288 30402110 31947980 32978560 33214640 33442321 34009140 35142778 35357520 36276416 36482532 36536104 37155360 38337576 38628480 39857568 45345520 45603165 45670130 47143360 47921970 48643376 49467840 49540480 49821960 51116768 52714167 53143424 54414624 54804156 56572032 60804220 63895960 66429280 66884642 68018280 68505195 70285556 70715040 72552832 72965064 73072208 74310720 76675152 79715136 87856945 90691040 91206330 91340260 94246541 94286720 95843940 97286752 98935680 99643920 100326963 102233536 105428334 108829248 109608312 121608440 127791920 132858560 133769284 136036560 137010390 140571112 141430080 145930128 146144416 148621440 153350304 159430272 167211605 175713890 181382080 182412660 182680520 188493082 191687880 194573504 199287840 200653926 204467072 210856668 217658496 219216624 243216880 255583840 263570835 265717120 267538568 272073120 274020780 281142224 282739623 282860160 291860256 292288832 306700608 334423210 351427780 362764160 364825320 365361040 376986164 383375760 389147008 398575680 401307852 421713336 438433248 471232705 486433760 501634815 511167680 527141670 535077136 544146240 548041560 562284448 565479246 583720512 584577664 613401216 668846420 702855560 729650640 730722080 753972328 766751520 797151360 802615704 843426672 876866496 942465410 972867520 1003269630 1022335360 1036711951 1054283340 1070154272 1088292480 1096083120 1124568896 1130958492 1167441024 1337692840 1405711120 1413698115 1459301280 1461444160 1507944656 1533503040 1605231408 1686853344 1753732992 1884930820 1945735040 2006539260 2073423902 2108566680 2140308544 2192166240 2249137792 2261916984 2675385680 2811422240 2827396230 2918602560 2922888320 3015889312 3067006080 3110135853 3210462816 3373706688 3769861640 4013078520 4146847804 4217133360 4280617088 4384332480 4523833968 5183559755 5350771360 5622844480 5654792460 5837205120 6031778624 6220271706 6420925632 6747413376 7539723280 8026157040 8293695608 8434266720 8768664960 9047667936 10367119510 10701542720 11245688960 11309584920 12063557248 12440543412 12841851264 15079446560 15550679265 16052314080 16587391216 16868533440 18095335872 20734239020 21403085440 22619169840 24881086824 30158893120 31101358530 32104628160 33174782432 33737066880 36190671744 41468478040 45238339680 49762173648 60317786240 62202717060 64209256320 66349564864 82936956080 90476679360 99524347296 124405434120 132699129728 165873912160 180953358720 199048694592 248810868240 331747824320 398097389184 497621736480 663495648640 995243472960 1990486945920
• Sum of all divisors σ(n): 7297985433600
• Sum of proper divisors (its aliquot sum) s(n): 5307498487680
• 1990486945920 is an abundant number, because the sum of its proper divisors (5307498487680) is greater than itself. Its abundance is 3317011541760

Bases of 1990486945920

• Binary: 11100111101110010010001000111000010000000₂
• Hexadecimal: 0x1CF72447080
• Base-36: PEF0J91C

Squares and roots of 1990486945920

• 1990486945920 squared (1990486945920²) is 3962038281877929004646400
• 1990486945920 cubed (1990486945920³) is 7886385479313322986713198225522688000
• The square root of 1990486945920 is 1410846.1808149037
• The cube root of 1990486945920 is 12579.2025807961

Scales and comparisons

• 1,990,486,945,920 seconds is equal to 63,291 years, 17 weeks, 8 hours, 32 minutes.
• To count from 1 to 1,990,486,945,920 would take you about one hundred fifty-eight thousand, two hundred twenty-eight 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 1990486945920 cubic inches would be around 1048.3 feet tall.

Recreational maths with 1990486945920

• 1990486945920 backwards is 0295496840991
• 1990486945920 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1990486945920's digits is 66
• More coming soon!