161789430746790

Names of 161789430746790

• Cardinal: 161789430746790 can be written as One hundred sixty-one trillion, seven hundred eighty-nine billion, four hundred thirty million, seven hundred forty-six thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.6178943074679 × 10¹⁴

Factors of 161789430746790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2160

Divisors of 161789430746790

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 27 30 33 35 42 45 54 55 63 66 70 77 81 90 99 105 110 126 135 154 162 165 189 198 210 231 243 270 297 315 330 378 385 405 409 462 486 495 567 594 630 693 729 770 810 818 891 945 990 1134 1155 1215 1227 1386 1458 1485 1701 1723 1782 1890 2045 2079 2310 2430 2454 2673 2835 2863 2970 3402 3446 3465 3645 3681 4090 4158 4455 4499 5103 5169 5346 5670 5726 6135 6237 6930 7290 7362 8019 8505 8589 8615 8910 8998 10206 10338 10395 11043 12061 12270 12474 13365 13497 14315 15507 16038 17010 17178 17230 18405 18711 18953 20790 22086 22495 24122 25515 25767 25845 26730 26994 28630 31014 31185 31493 33129 36183 36810 37422 37906 40095 40491 42945 44990 46521 51030 51534 51690 55215 56133 56859 60305 62370 62986 66258 67485 72366 77301 77535 80190 80982 85890 93042 93555 94479 94765 99387 108549 110430 112266 113718 120610 121473 128835 132671 134970 139563 154602 155070 157465 165645 167281 170577 180915 187110 188958 189530 198774 202455 217098 231903 232605 242946 257670 265342 279126 280665 283437 284295 298161 314930 325647 331290 334562 341154 361830 364419 386505 398013 404910 418689 463806 465210 472395 496935 501843 511731 542745 561330 566874 568590 596322 607365 651294 663355 695709 697815 704707 728838 773010 796026 836405 837378 850311 852885 944790 976941 993870 1003686 1023462 1085490 1093257 1159515 1170967 1194039 1214730 1256067 1326710 1391418 1395630 1409414 1417185 1490805 1505529 1535193 1628235 1672810 1700622 1705770 1822095 1840091 1953882 1990065 2087127 2093445 2114121 2186514 2319030 2341934 2388078 2509215 2512134 2550933 2558655 2834370 2930823 2981610 3011058 3070386 3256470 3279771 3478545 3512901 3523535 3582117 3644190 3680182 3980130 4174254 4186890 4228242 4251555 4516587 4605579 4884705 4932949 5018430 5101866 5117310 5466285 5520273 5854835 5861646 5970195 6280335 6342363 6559542 6957090 7025802 7047070 7164234 7527645 7652799 7675965 7751777 8503110 8792469 9033174 9200455 9211158 9769410 9865898 10435635 10538703 10570605 10746351 10932570 11040546 11709670 11940390 12560670 12684726 12754665 12880637 13549761 13816737 14654115 14798847 15055290 15305598 15351930 15503554 16398855 16560819 17564505 17584938 17910585 18400910 19027089 20871270 21077406 21141210 21492702 22582935 22958397 23027895 23255331 24664745 25509330 25761274 27099522 27601365 27633474 29308230 29597694 31616109 31711815 32239053 32797710 33121638 35129010 35821170 38054178 38263995 38641911 38758885 40649283 43962345 44396541 45165870 45916794 46055790 46510662 49329490 49682457 52693515 53731755 54262439 55202730 57081267 63232218 63423630 64403185 64478106 67748805 69083685 69765993 73994235 76527990 77283822 77517770 81298566 82804095 87924690 88793082 94848327 95135445 96717159 99364914 105387030 107463510 108524878 114162534 114791985 115925733 116276655 121947849 128806370 133189623 135497610 138167370 139531986 147988470 149047371 158080545 161195265 162787317 165608190 171243801 189696654 190270890 193209555 193434318 203246415 209297979 221982705 229583970 231851466 232553310 243895698 248412285 266379246 271312195 284544981 285406335 288225163 298094742 316161090 322390530 325574634 342487602 347777199 348829965 386419110 399568869 406492830 418595958 443965410 447142113 474241635 483585795 488361951 496824570 513731403 542624390 569089962 570812670 576450326 579628665 609739245 627893937 665948115 695554398 697659930 745236855 799137738 813936585 853634943 856219005 864675489 894284226 948483270 967171590 976723902 1027462806 1043331597 1046489895 1159257330 1198706607 1219478490 1255787874 1331896230 1341426339 1422724905 1441125815 1465085853 1490473710 1627873170 1707269886 1712438010 1729350978 1738885995 1883681811 1997844345 2017576141 2086663194 2092979790 2235710565 2397413214 2441809755 2568657015 2594026467 2682852678 2845449810 2882251630 2930171706 3129994791 3139469685 3170476793 3477771990 3596119821 3767363622 3995688690 4035152282 4268174715 4323377445 4395257559 4471421130 4883619510 5137314030 5188052934 5216657985 5651045433 5993533035 6052728423 6259989582 6278939370 6340953586 6707131695 7192239642 7325429265 7782079401 8536349430 8646754890 8790515118 9389984373 9418409055 9511430379 10087880705 10433315970 11302090866 11987066070 12105456846 12970132335 13185772677 13414263390 14650858530 15564158802 15649973955 15852383965 17980599105 18158185269 18779968746 18836818110 19022860758 20175761410 21976287795 22193337551 23346238203 25940264670 26371545354 28255227165 28534291137 30263642115 31299947910 31704767930 35961198210 36316370538 38910397005 39557318031 43952575590 44386675102 46692476406 46949921865 47557151895 54474555807 56510454330 57068582274 60527284230 65928863385 66580012653 70038714609 77820794010 79114636062 85602873411 90790926345 93899843730 95114303790 108949111614 110966687755 116731191015 131857726770 133160025306 140077429218 142671455685 163423667421 171205746822 181581852690 197786590155 199740037959 210116143827 221933375510 233462382030 256808620233 272372779035 285342911370 326847334842 332900063265 350193573045 395573180310 399480075918 420232287654 428014367055 490271002263 513617240466 544745558070 599220113877 665800126530 700387146090 770425860699 817118337105 856028734110 980542004526 998700189795 1050580719135 1198440227754 1284043101165 1470813006789 1540851721398 1634236674210 1797660341631 1997400379590 2101161438270 2311277582097 2451355011315 2568086202330 2941626013578 2996100569385 3595320683262 3852129303495 4622555164194 4902710022630 5392981024893 5992201138770 7354065033945 7704258606990 8988301708155 10785962049786 11556387910485 14708130067890 16178943074679 17976603416310 23112775820970 26964905124465 32357886149358 53929810248930 80894715373395 161789430746790
• Sum of all divisors σ(n): 546022974087936
• Sum of proper divisors (its aliquot sum) s(n): 384233543341146
• 161789430746790 is an abundant number, because the sum of its proper divisors (384233543341146) is greater than itself. Its abundance is 222444112594356

Bases of 161789430746790

• Binary: 100100110010010110001001100011000100111010100110₂
• Hexadecimal: 0x9325898C4EA6
• Base-36: 1LCL1DSCDI

Squares and roots of 161789430746790

• 161789430746790 squared (161789430746790²) is 26175819901370357417095304100
• 161789430746790 cubed (161789430746790³) is 4234971001173206889552490721528265148839000
• The square root of 161789430746790 is 12719647.4301291071
• The cube root of 161789430746790 is 54489.9884252079

Scales and comparisons

• 161,789,430,746,790 seconds is equal to 5,144,403 years, 23 weeks, 2 days, 20 hours, 46 minutes, 30 seconds.
• To count from 1 to 161,789,430,746,790 would take you about twelve million, eight hundred sixty-one thousand and 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 161789430746790 cubic inches would be around 4540.8 feet tall.

Recreational maths with 161789430746790

• 161789430746790 backwards is 097647034987161
• The number of decimal digits it has is: 15
• The sum of 161789430746790's digits is 72
• More coming soon!