161138994026373120

Names of 161138994026373120

• Cardinal: 161138994026373120 can be written as One hundred sixty-one quadrillion, one hundred thirty-eight trillion, nine hundred ninety-four billion, twenty-six million, three hundred seventy-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.6113899402637312 × 10¹⁷

Factors of 161138994026373120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 1145153

Divisors of 161138994026373120

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2048 2560 3072 3840 4096 5120 6144 7680 8192 10240 12288 15360 20480 24576 30720 40960 61440 122880 1145143 2290286 3435429 4580572 5725715 6870858 9161144 11451430 13741716 17177145 18322288 22902860 27483432 34354290 36644576 45805720 54966864 68708580 73289152 91611440 109933728 137417160 146578304 183222880 219867456 274834320 293156608 366445760 439734912 549668640 586313216 732891520 879469824 1099337280 1172626432 1465783040 1758939648 2198674560 2345252864 2931566080 3517879296 4397349120 4690505728 5863132160 7035758592 8794698240 9381011456 11726264320 14071517184 17589396480 23452528640 28143034368 35178792960 46905057280 70357585920 140715171840 1311352490449 2622704980898 3934057471347 5245409961796 6556762452245 7868114942694 10490819923592 13113524904490 15736229885388 19670287356735 20981639847184 26227049808980 31472459770776 39340574713470 41963279694368 52454099617960 62944919541552 78681149426940 83926559388736 104908199235920 125889839083104 157362298853880 167853118777472 209816398471840 251779678166208 314724597707760 335706237554944 419632796943680 503559356332416 629449195415520 671412475109888 839265593887360 1007118712664832 1258898390831040 1342824950219776 1678531187774720 2014237425329664 2517796781662080 2685649900439552 3357062375549440 4028474850659328 5035593563324160 5371299800879104 6714124751098880 8056949701318656 10071187126648320 10742599601758208 13428249502197760 16113899402637312 20142374253296640 26856499004395520 32227798805274624 40284748506593280 53712998008791040 80569497013186560 161138994026373120
• Sum of all divisors σ(n): 515613758686082856
• Sum of proper divisors (its aliquot sum) s(n): 354474764659709736
• 161138994026373120 is an abundant number, because the sum of its proper divisors (354474764659709736) is greater than itself. Its abundance is 193335770633336616

Bases of 161138994026373120

• Binary: 1000111100011110110000111110110010011001111110000000000000₂
• Hexadecimal: 0x23C7B0FB267E000
• Base-36: 182N07WTRO5C

Squares and roots of 161138994026373120

• 161138994026373120 squared (161138994026373120²) is 25965775395831512051578101458534400
• 161138994026373120 cubed (161138994026373120³) is 4184098926399040155897483348575881389531702755328000
• The square root of 161138994026373120 is 401421217.7082486007
• The cube root of 161138994026373120 is 544168.6891550091

Scales and comparisons

• 161,138,994,026,373,120 seconds is equal to 5,123,721,574 years, 21 weeks, 32 minutes.
• To count from 1 to 161,138,994,026,373,120 would take you about fifteen billion, three hundred seventy-one million, one hundred sixty-four thousand, seven hundred twenty-three 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 161138994026373120 cubic inches would be around 45347.4 feet tall.

Recreational maths with 161138994026373120

• 161138994026373120 backwards is 021373620499831161
• The number of decimal digits it has is: 18
• The sum of 161138994026373120's digits is 66
• More coming soon!