121661021790

Names of 121661021790

• Cardinal: 121661021790 can be written as One hundred twenty-one billion, six hundred sixty-one million, twenty-one thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.2166102179 × 10¹¹

Factors of 121661021790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 190

Divisors of 121661021790

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 31 33 35 42 45 54 55 62 63 66 70 77 90 93 99 105 110 121 126 131 135 154 155 165 186 189 198 210 217 231 242 262 270 279 297 310 315 330 341 363 378 385 393 434 462 465 495 558 594 605 630 651 655 682 693 726 770 786 837 847 917 930 945 990 1023 1085 1089 1155 1179 1210 1302 1310 1386 1395 1441 1485 1674 1694 1705 1815 1834 1890 1953 1965 2046 2079 2170 2178 2310 2358 2387 2541 2751 2790 2882 2970 3069 3255 3267 3410 3465 3537 3630 3751 3906 3930 4061 4158 4185 4235 4323 4585 4774 5082 5115 5445 5502 5859 5895 6138 6510 6534 6930 7074 7161 7205 7502 7623 8122 8253 8370 8470 8646 9170 9207 9765 10087 10230 10395 10890 11253 11718 11790 11935 12183 12705 12969 13755 14322 14410 15246 15345 15851 16335 16506 17161 17685 18414 18755 19530 20174 20305 20790 21483 21615 22506 22869 23870 24366 24759 25410 25938 26257 27510 28427 29295 30261 30690 31702 32670 33759 34322 35370 35805 36549 37510 38115 38907 40610 41265 42966 43230 44671 45738 46035 47553 49518 50435 51483 52514 56265 56854 58590 60522 60915 64449 64845 67518 71610 73098 76230 77814 78771 79255 82530 85281 85805 89342 90783 92070 95106 100870 101277 102966 107415 109647 110957 112530 114345 120127 121830 123795 128898 129690 131285 134013 142135 142659 151305 154449 157542 158510 168795 170562 171610 181566 182745 188771 194535 202554 214830 219294 221914 223355 228690 236313 237765 240254 247590 255843 257415 262570 268026 272349 284270 285318 302610 308898 312697 322245 332871 337590 360381 365490 377542 389070 393855 402039 426405 427977 446710 453915 463347 472626 475530 491381 506385 511686 514830 531991 544698 548235 554785 566313 600635 625394 644490 665742 670065 708939 713295 720762 767529 772245 787710 804078 852810 855954 907830 926694 938091 943855 982762 998613 1012770 1063982 1081143 1096470 1109570 1132626 1181565 1201270 1206117 1279215 1321397 1340130 1361745 1417878 1426590 1474143 1535058 1544490 1563485 1595973 1664355 1698939 1801905 1876182 1887710 1997226 2010195 2076481 2139885 2162286 2316735 2363130 2412234 2456905 2558430 2642794 2659955 2723490 2814273 2831565 2948286 2995839 3126970 3191946 3243429 3328710 3397878 3439667 3544695 3603810 3723937 3837645 3964191 4020390 4152962 4279770 4422429 4633470 4690455 4787919 4913810 4993065 5096817 5319910 5405715 5628546 5663130 5851901 5991678 6030585 6229443 6486858 6606985 6879334 7089390 7370715 7447874 7675290 7928382 7979865 8442819 8494695 8844858 9380910 9575838 9986130 10193634 10319001 10382405 10811430 11171811 11703802 11892573 12061170 12458886 13213970 13267287 14071365 14363757 14535367 14741430 14979195 15959730 16217145 16885638 16989390 17198335 17555703 18619685 18688329 19820955 20638002 20764810 22112145 22343622 23785146 23939595 25484085 26534574 28142730 28727514 29070734 29259505 29958390 30957003 31147215 32434290 33515433 34396670 35111406 35677719 37239370 37376658 39641910 40963307 42214095 43606101 44224290 47879190 50968170 51595005 52667109 55859055 56064987 58519010 59462865 61914006 62294430 64370911 66336435 67030866 71355438 71818785 72676835 81926614 84428190 87212202 87778515 92871009 93441645 100546299 103190010 105334218 111718110 112129974 118925730 122889921 128741822 130818303 132672870 143637570 145353670 154785015 158001327 167577165 175557030 178388595 185742018 186883290 193112733 201092598 204816535 218030505 245779842 261636606 263335545 280324935 309570030 316002654 321854555 335154330 356777190 368669763 386225466 392454909 409633070 436061010 450596377 464355045 502731495 526671090 560649870 579338199 614449605 643709110 654091515 737339526 784909818 790006635 901192754 928710090 965563665 1005462990 1106009289 1158676398 1228899210 1308183030 1351789131 1580013270 1738014597 1843348815 1931127330 1962274545 2212018578 2252981885 2703578262 2896690995 3476029194 3686697630 3924549090 4055367393 4505963770 5530046445 5793381990 6758945655 8110734786 8690072985 11060092890 12166102179 13517891310 17380145970 20276836965 24332204358 40553673930 60830510895 121661021790
• Sum of all divisors σ(n): 423930286080
• Sum of proper divisors (its aliquot sum) s(n): 302269264290
• 121661021790 is an abundant number, because the sum of its proper divisors (302269264290) is greater than itself. Its abundance is 180608242500

Bases of 121661021790

• Binary: 1110001010011100011111101111001011110₂
• Hexadecimal: 0x1C538FDE5E
• Base-36: 1JW1TX7I

Squares and roots of 121661021790

• 121661021790 squared (121661021790²) is 14801404222986854804100
• 121661021790 cubed (121661021790³) is 1800753961695401761205176281339000
• The square root of 121661021790 is 348799.4005012049
• The cube root of 121661021790 is 4955.0779002247

Scales and comparisons

• 121,661,021,790 seconds is equal to 3,868 years, 23 weeks, 16 hours, 16 minutes, 30 seconds.
• To count from 1 to 121,661,021,790 would take you about seven thousand, seven hundred thirty-six 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 121661021790 cubic inches would be around 412.9 feet tall.

Recreational maths with 121661021790

• 121661021790 backwards is 097120166121
• The number of decimal digits it has is: 12
• The sum of 121661021790's digits is 36
• More coming soon!