161189143720164

Names of 161189143720164

• Cardinal: 161189143720164 can be written as One hundred sixty-one trillion, one hundred eighty-nine billion, one hundred forty-three million, seven hundred twenty thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 1.61189143720164 × 10¹⁴

Factors of 161189143720164

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 359

Divisors of 161189143720164

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 243 252 294 324 347 378 441 486 567 588 694 729 756 882 972 1041 1134 1323 1388 1458 1701 1764 2082 2187 2268 2429 2646 2916 3123 3402 3969 4164 4374 4858 5103 5292 6246 6561 6804 7287 7938 8748 9369 9716 10206 11907 12492 13122 14574 15309 15876 17003 18738 19683 20412 21861 23814 26244 28107 29148 30618 34006 35721 37476 39366 43722 45927 47628 51009 56214 61236 65583 68012 71442 78732 84321 87444 91854 102018 107163 112428 120409 131166 137781 142884 153027 168642 183708 196749 204036 214326 240818 252963 262332 275562 306054 321489 337284 361227 393498 428652 459081 481636 505926 551124 590247 612108 642978 722454 758889 786996 842863 918162 964467 1011852 1083681 1180494 1285956 1377243 1444908 1517778 1685726 1770741 1836324 1928934 2167362 2276667 2360988 2528589 2754486 3035556 3251043 3371452 3541482 3857868 4131729 4334724 4553334 5057178 5312223 5508972 5900041 6502086 6830001 7082964 7585767 8263458 9106668 9753129 10114356 10624446 11800082 12395187 13004172 13660002 15171534 15936669 16526916 17700123 19506258 21248892 22757301 23600164 24790374 27320004 29259387 30343068 31873338 35400246 37185561 39012516 41781923 45514602 47810007 49580748 53100369 58518774 63746676 68271903 70800492 74371122 83563846 87778161 91029204 95620014 106200738 111556683 117037548 125345769 136543806 148742244 159301107 167127692 175556322 191240028 204815709 212401476 223113366 250691538 263334483 273087612 292473461 318602214 334670049 351112644 376037307 409631418 446226732 477903321 501383076 526668966 584946922 614447127 637204428 669340098 752074614 790003449 819262836 877420383 955806642 1053337932 1128111921 1169893844 1228894254 1338680196 1433709963 1504149228 1580006898 1754840766 1843341381 1911613284 2047314227 2256223842 2370010347 2457788508 2632261149 2867419926 3160013796 3384335763 3509681532 3686682762 4094628454 4301129889 4512447684 4740020694 5264522298 5530024143 5734839852 6141942681 6768671526 7373365524 7896783447 8189256908 8602259778 9480041388 10153007289 10529044596 11060048286 12283885362 12903389667 13537343052 15793566894 16590072429 17204519556 18425828043 20306014578 22120096572 23690350341 24567770724 25806779334 30459021867 31587133788 33180144858 36851656086 38710169001 40612029156 47380700682 51613558668 55277484129 60918043734 66360289716 71071051023 73703312172 77420338002 91377065601 94761401364 110554968258 116130507003 121836087468 142142102046 154840676004 165832452387 182754131202 213213153069 221109936516 232261014006 274131196803 284284204092 331664904774 365508262404 426426306138 464522028012 497497357161 548262393606 639639459207 663329809548 822393590409 852852612276 994994714322 1096524787212 1279278918414 1492492071483 1644787180818 1918918377621 1989989428644 2558557836828 2984984142966 3289574361636 3837836755242 4477476214449 5756755132863 5969968285932 7675673510484 8954952428898 11513510265726 13432428643347 17909904857796 23027020531452 26864857286694 40297285930041 53729714573388 80594571860082 161189143720164
• Sum of all divisors σ(n): 493616755003680
• Sum of proper divisors (its aliquot sum) s(n): 332427611283516
• 161189143720164 is an abundant number, because the sum of its proper divisors (332427611283516) is greater than itself. Its abundance is 171238467563352

Bases of 161189143720164

• Binary: 100100101001100111000101101001110011000011100100₂
• Hexadecimal: 0x9299C5A730E4
• Base-36: 1L4X9QE290

Squares and roots of 161189143720164

• 161189143720164 squared (161189143720164²) is 25981940053239685477540186896
• 161189143720164 cubed (161189143720164³) is 4188006669370337152215553326073321283770944
• The square root of 161189143720164 is 12696028.6593944013
• The cube root of 161189143720164 is 54422.5135377583

Scales and comparisons

• 161,189,143,720,164 seconds is equal to 5,125,316 years, 9 weeks, 2 days, 8 hours, 29 minutes, 24 seconds.
• To count from 1 to 161,189,143,720,164 would take you about twelve million, eight hundred thirteen thousand, two hundred ninety 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 161189143720164 cubic inches would be around 4535.2 feet tall.

Recreational maths with 161189143720164

• 161189143720164 backwards is 461027341981161
• 161189143720164 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 161189143720164's digits is 54
• More coming soon!