1661309838972

Names of 1661309838972

• Cardinal: 1661309838972 can be written as One trillion, six hundred sixty-one billion, three hundred nine million, eight hundred thirty-eight thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.661309838972 × 10¹²

Factors of 1661309838972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 114

Divisors of 1661309838972

• Number of divisors d(n): 594
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 23 27 28 36 42 46 49 54 63 69 79 81 84 92 98 108 126 138 147 158 161 162 189 196 207 237 243 252 276 294 316 322 324 378 414 441 474 483 486 553 567 588 621 644 711 729 756 828 882 948 966 972 1106 1127 1134 1242 1323 1422 1449 1458 1659 1701 1764 1817 1863 1932 2133 2187 2212 2254 2268 2484 2646 2844 2898 2916 3318 3381 3402 3634 3726 3871 3969 4266 4347 4374 4508 4977 5103 5292 5451 5589 5796 6241 6399 6561 6636 6762 6804 7268 7452 7742 7938 8532 8694 8748 9954 10143 10206 10902 11178 11613 11907 12482 12719 12798 13041 13122 13524 14931 15309 15484 15876 16353 16767 17388 18723 19197 19683 19908 20286 20412 21804 22356 23226 23814 24964 25438 25596 26082 26244 29862 30429 30618 32706 33534 34839 35721 37446 38157 38394 39123 39366 40572 43687 44793 45927 46452 47628 49059 50301 50876 52164 56169 57591 59049 59724 60858 61236 65412 67068 69678 71442 74892 76314 76788 78246 78732 87374 89033 89586 91287 91854 98118 100602 104517 107163 112338 114471 115182 117369 118098 121716 131061 134379 137781 139356 142884 143543 147177 150903 152628 156492 168507 172773 174748 178066 179172 182574 183708 196236 201204 209034 214326 224676 228942 230364 234738 236196 262122 267099 268758 273861 275562 287086 294354 301806 305809 313551 321489 337014 343413 345546 352107 356132 365148 393183 403137 413343 418068 428652 430629 441531 452709 457884 469476 505521 518319 524244 534198 537516 547722 551124 574172 588708 603612 611618 627102 642978 674028 686826 691092 704214 786366 801297 806274 821583 826686 861258 883062 905418 917427 940653 964467 1004801 1011042 1030239 1036638 1056321 1068396 1095444 1179549 1209411 1223236 1254204 1285956 1291887 1324593 1358127 1373652 1408428 1516563 1554957 1572732 1602594 1612548 1643166 1653372 1722516 1766124 1810836 1834854 1881306 1928934 2009602 2022084 2060478 2073276 2112642 2359098 2403891 2418822 2464749 2583774 2649186 2716254 2752281 2821959 2893401 3014403 3033126 3090717 3109914 3168963 3205188 3286332 3538647 3628233 3669708 3762612 3857868 3875661 3973779 4019204 4120956 4225284 4549689 4664871 4718196 4807782 4837644 4929498 5167548 5298372 5432508 5504562 5643918 5786802 6028806 6066252 6181434 6219828 6337926 7033607 7077294 7211673 7256466 7394247 7751322 7947558 8256843 8465877 9043209 9099378 9272151 9329742 9506889 9615564 9858996 10615941 10884699 11009124 11287836 11573604 11626983 11921337 12057612 12362868 12675852 13649067 14067214 14154588 14423346 14512932 14788494 15502644 15895116 16513686 16931754 18086418 18198756 18544302 18659484 19013778 21100821 21231882 21635019 21769398 22182741 23253966 23842674 24770529 25397631 27129627 27298134 27816453 28134428 28846692 29576988 31847823 32654097 33027372 33863508 34880949 35764011 36172836 37088604 38027556 40947201 42201642 42463764 43270038 43538796 44365482 46507932 47685348 49541058 50795262 54259254 54596268 55632906 63302463 63695646 64905057 65308194 66548223 69761898 71528022 74311587 76192893 81388881 81894402 83449359 84403284 86540076 88730964 95543469 99082116 101590524 104642847 107292033 108518508 111265812 122841603 126604926 127391292 129810114 130616388 133096446 139523796 143056044 148623174 152385786 162777762 163788804 166898718 189907389 191086938 194715171 209285694 214584066 222934761 228578679 244166643 245683206 250348077 253209852 259620228 266192892 286630407 297246348 304771572 313928541 325555524 333797436 368524809 379814778 382173876 389430342 418571388 429168132 445869522 457157358 488333286 491366412 500696154 569722167 573260814 584145513 627857082 668804283 732499929 737049618 751044231 759629556 778860684 859891221 891739044 914314716 941785623 976666572 1001392308 1139444334 1146521628 1168291026 1255714164 1337608566 1464999858 1474099236 1502088462 1709166501 1719782442 1752436539 1883571246 2006412849 2197499787 2278888668 2336582052 2579673663 2675217132 2825356869 2929999716 3004176924 3418333002 3439564884 3504873078 3767142492 4012825698 4394999574 5127499503 5159347326 5257309617 5650713738 6019238547 6592499361 6836666004 7009746156 8025651396 8476070607 8789999148 10254999006 10318694652 10514619234 11301427476 12038477094 13184998722 15382498509 16952141214 18057715641 19777498083 20509998012 21029238468 24076954188 26369997444 30764997018 33904282428 36115431282 39554996166 46147495527 59332494249 61529994036 72230862564 79109992332 92294991054 118664988498 138442486581 184589982108 237329976996 276884973162 415327459743 553769946324 830654919486 1661309838972
• Sum of all divisors σ(n): 5361314478408
• Sum of proper divisors (its aliquot sum) s(n): 3700004639436
• 1661309838972 is an abundant number, because the sum of its proper divisors (3700004639436) is greater than itself. Its abundance is 2038694800464

Bases of 1661309838972

• Binary: 11000001011001101110010000110011001111100₂
• Hexadecimal: 0x182CDC8667C
• Base-36: L770ZFR0

Squares and roots of 1661309838972

• 1661309838972 squared (1661309838972²) is 2759950381065172570016784
• 1661309838972 cubed (1661309838972³) is 4585132723138091880131974822377306048
• The square root of 1661309838972 is 1288918.0885424797
• The cube root of 1661309838972 is 11843.5949386143

Scales and comparisons

• 1,661,309,838,972 seconds is equal to 52,824 years, 26 weeks, 5 days, 3 hours, 16 minutes, 12 seconds.
• To count from 1 to 1,661,309,838,972 would take you about one hundred thirty-two thousand and sixty-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 1661309838972 cubic inches would be around 987 feet tall.

Recreational maths with 1661309838972

• 1661309838972 backwards is 2798389031661
• 1661309838972 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1661309838972's digits is 63
• More coming soon!