161109180672

Names of 161109180672

• Cardinal: 161109180672 can be written as One hundred sixty-one billion, one hundred nine million, one hundred eighty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 1.61109180672 × 10¹¹

Factors of 161109180672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 413

Divisors of 161109180672

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 121 128 132 176 192 242 256 264 352 363 384 397 484 528 704 726 768 794 968 1056 1191 1331 1408 1452 1588 1936 2112 2382 2662 2816 2904 3176 3872 3993 4224 4367 4764 5324 5808 6352 7744 7986 8448 8734 9528 10648 11616 12704 13101 15488 15972 17468 19056 21296 23232 25408 26202 30976 31944 34936 38112 42592 46464 48037 50816 52404 63888 69872 76224 85184 92928 96074 101632 104808 127776 139744 144111 152448 157609 170368 192148 209616 255552 279488 288222 304896 315218 340736 384296 419232 472827 511104 528407 558976 576444 630436 768592 838464 945654 1022208 1056814 1117952 1152888 1260872 1537184 1585221 1676928 1733699 1891308 2113628 2305776 2521744 3074368 3170442 3353856 3467398 3782616 4227256 4611552 5043488 5201097 6148736 6340884 6934796 7565232 8454512 9223104 10086976 10402194 12297472 12681768 13869592 15130464 16909024 18446208 19070689 20173952 20804388 25363536 27739184 30260928 33818048 36892416 38141378 40347904 41608776 50727072 55478368 57212067 60521856 67636096 76282756 83217552 101454144 110956736 114424134 121043712 135272192 152565512 166435104 202908288 209777579 221913472 228848268 305131024 332870208 405816576 419555158 443826944 457696536 610262048 629332737 665740416 839110316 915393072 1220524096 1258665474 1331480832 1678220632 1830786144 2441048192 2517330948 3356441264 3661572288 4882096384 5034661896 6712882528 7323144576 10069323792 13425765056 14646289152 20138647584 26851530112 40277295168 53703060224 80554590336 161109180672
• Sum of all divisors σ(n): 472822674912
• Sum of proper divisors (its aliquot sum) s(n): 311713494240
• 161109180672 is an abundant number, because the sum of its proper divisors (311713494240) is greater than itself. Its abundance is 150604313568

Bases of 161109180672

• Binary: 10010110000010110110110000000100000000₂
• Hexadecimal: 0x2582DB0100
• Base-36: 220G8VEO

Squares and roots of 161109180672

• 161109180672 squared (161109180672²) is 25956168096803138371584
• 161109180672 cubed (161109180672³) is 4181776975460659205524142526824448
• The square root of 161109180672 is 401384.0812389051
• The cube root of 161109180672 is 5441.3512704361

Scales and comparisons

• 161,109,180,672 seconds is equal to 5,122 years, 40 weeks, 1 day, 14 hours, 11 minutes, 12 seconds.
• To count from 1 to 161,109,180,672 would take you about ten thousand, two hundred forty-five 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 161109180672 cubic inches would be around 453.4 feet tall.

Recreational maths with 161109180672

• 161109180672 backwards is 276081901161
• The number of decimal digits it has is: 12
• The sum of 161109180672's digits is 42
• More coming soon!