161620818294364632

Names of 161620818294364632

• Cardinal: 161620818294364632 can be written as One hundred sixty-one quadrillion, six hundred twenty trillion, eight hundred eighteen billion, two hundred ninety-four million, three hundred sixty-four thousand, six hundred thirty-two.

Scientific notation

• Scientific notation: 1.61620818294364632 × 10¹⁷

Factors of 161620818294364632

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 31615520766

Divisors of 161620818294364632

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 23 24 27 28 36 42 46 49 54 56 63 69 72 81 84 92 98 108 126 138 147 161 162 168 184 189 196 207 216 252 276 294 322 324 343 378 392 414 441 483 504 552 567 588 621 644 648 686 756 828 882 966 1029 1127 1134 1176 1242 1288 1323 1372 1449 1512 1656 1764 1863 1932 2058 2254 2268 2484 2646 2744 2898 3087 3381 3528 3726 3864 3969 4116 4347 4508 4536 4968 5292 5796 6174 6762 7452 7889 7938 8232 8694 9016 9261 10143 10584 11592 12348 13041 13524 14904 15778 15876 17388 18522 20286 23667 24696 26082 27048 27783 30429 31556 31752 34776 37044 40572 47334 52164 55566 60858 63112 71001 74088 81144 91287 94668 104328 111132 121716 142002 182574 189336 213003 222264 243432 284004 365148 426006 568008 639009 730296 852012 1278018 1704024 2556036 5112072 31615520731 63231041462 94846562193 126462082924 189693124386 221308645117 252924165848 284539686579 379386248772 442617290234 569079373158 663925935351 727156976813 758772497544 853619059737 885234580468 1138158746316 1327851870702 1454313953626 1549160515819 1707238119474 1770469160936 1991777806053 2181470930439 2276317492632 2560857179211 2655703741404 2908627907252 3098321031638 3414476238948 3983555612106 4362941860878 4647481547457 5090098837691 5121714358422 5311407482808 5817255814504 5975333418159 6196642063276 6544412791317 6828952477896 7967111224212 8725883721756 9294963094914 10180197675382 10243428716844 10844123610733 11950666836318 12393284126552 13088825582634 13942444642371 15270296513073 15934222448424 17451767443512 17926000254477 18589926189828 19633238373951 20360395350764 20486857433688 21688247221466 23901333672636 26177651165268 27884889284742 30540593026146 32532370832199 35630691863837 35852000508954 37179852379656 39266476747902 40720790701528 41827333927113 43376494442932 45810889539219 47802667345272 52355302330536 55769778569484 58899715121853 61081186052292 65064741664398 71261383727674 71704001017908 78532953495804 83654667854226 86752988885864 91621779078438 97597112496597 106892075591511 111539557138968 117799430243706 122162372104584 125482001781339 130129483328796 137432668617657 142522767455348 143408002035816 157065906991608 167309335708452 183243558156876 195194224993194 213784151183022 235598860487412 249414843046859 250964003562678 260258966657592 274865337235314 285045534910696 292791337489791 320676226774533 334618671416904 366487116313752 390388449986388 412298005852971 427568302366044 471197720974824 498829686093718 501928007125356 549730674470628 585582674979582 641352453549066 748244529140577 780776899972776 824596011705942 855136604732088 878374012469373 962028680323599 997659372187436 1003856014250712 1099461348941256 1171165349959164 1282704907098132 1496489058281154 1649192023411884 1756748024938746 1924057360647198 1995318744374872 2244733587421731 2342330699918328 2565409814196264 2886086040970797 2992978116562308 3298384046823768 3513496049877492 3848114721294396 4489467174843462 5772172081941594 5985956233124616 6734200762265193 7026992099754984 7696229442588792 8978934349686924 11544344163883188 13468401524530386 17957868699373848 20202602286795579 23088688327766376 26936803049060772 40405204573591158 53873606098121544 80810409147182316 161620818294364632
• Sum of all divisors σ(n): 550868833234368000
• Sum of proper divisors (its aliquot sum) s(n): 389248014940003368
• 161620818294364632 is an abundant number, because the sum of its proper divisors (389248014940003368) is greater than itself. Its abundance is 227627196645638736

Bases of 161620818294364632

• Binary: 1000111110001100010100011100100110101111100101100111011000₂
• Hexadecimal: 0x23E314726BE59D8
• Base-36: 187DSQXALHI0

Squares and roots of 161620818294364632

• 161620818294364632 squared (161620818294364632²) is 26121288906140029314868488572495424
• 161620818294364632 cubed (161620818294364632³) is 4221744087913860356634616955250837495175652807443968
• The square root of 161620818294364632 is 402020917.7323546083
• The cube root of 161620818294364632 is 544710.5252787835

Scales and comparisons

• 161,620,818,294,364,632 seconds is equal to 5,139,042,095 years, 38 weeks, 5 days, 10 hours, 37 minutes, 12 seconds.
• To count from 1 to 161,620,818,294,364,632 would take you about fifteen billion, four hundred seventeen million, one hundred twenty-six thousand, two hundred eighty-seven 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 161620818294364632 cubic inches would be around 45392.5 feet tall.

Recreational maths with 161620818294364632

• 161620818294364632 backwards is 236463492818026161
• 161620818294364632 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 161620818294364632's digits is 72
• More coming soon!