18090205120

Names of 18090205120

• Cardinal: 18090205120 can be written as Eighteen billion, ninety million, two hundred five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.809020512 × 10¹⁰

Factors of 18090205120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 597

Divisors of 18090205120

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 97 104 127 130 160 194 208 254 260 320 353 388 416 485 508 520 635 706 776 832 970 1016 1040 1261 1270 1412 1552 1651 1765 1940 2032 2080 2522 2540 2824 3104 3302 3530 3880 4064 4160 4589 5044 5080 5648 6208 6305 6604 7060 7760 8128 8255 9178 10088 10160 11296 12319 12610 13208 14120 15520 16510 18356 20176 20320 22592 22945 24638 25220 26416 28240 31040 33020 34241 36712 40352 40640 44831 45890 49276 50440 52832 56480 61595 66040 68482 73424 80704 89662 91780 98552 100880 105664 112960 123190 132080 136964 146848 160147 171205 179324 183560 197104 201760 224155 246380 264160 273928 293696 320294 342410 358648 367120 394208 403520 445133 448310 492760 528320 547856 582803 640588 684820 717296 734240 788416 800735 890266 896620 985520 1095712 1165606 1281176 1369640 1434592 1468480 1601470 1780532 1793240 1971040 2191424 2225665 2331212 2562352 2739280 2869184 2914015 3202940 3561064 3586480 3942080 4348607 4451330 4662424 5124704 5478560 5828030 6405880 7122128 7172960 8697214 8902660 9324848 10249408 10957120 11656060 12811760 14244256 14345920 17394428 17805320 18649696 21743035 23312120 25623520 28488512 34788856 35610640 37299392 43486070 46624240 51247040 56531891 69577712 71221280 86972140 93248480 113063782 139155424 142442560 173944280 186496960 226127564 278310848 282659455 347888560 452255128 565318910 695777120 904510256 1130637820 1391554240 1809020512 2261275640 3618041024 4522551280 9045102560 18090205120
• Sum of all divisors σ(n): 47372064768
• Sum of proper divisors (its aliquot sum) s(n): 29281859648
• 18090205120 is an abundant number, because the sum of its proper divisors (29281859648) is greater than itself. Its abundance is 11191654528

Bases of 18090205120

• Binary: 10000110110010000101001111111000000₂
• Hexadecimal: 0x436429FC0
• Base-36: 8B6FVLS

Squares and roots of 18090205120

• 18090205120 squared (18090205120²) is 327255521283674214400
• 18090205120 cubed (18090205120³) is 5920119506674192245750857728000
• The square root of 18090205120 is 134499.8331597479
• The cube root of 18090205120 is 2625.1119587017

Scales and comparisons

• 18,090,205,120 seconds is equal to 575 years, 11 weeks, 8 hours, 58 minutes, 40 seconds.
• To count from 1 to 18,090,205,120 would take you about one thousand, one hundred fifty 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 18090205120 cubic inches would be around 218.8 feet tall.

Recreational maths with 18090205120

• 18090205120 backwards is 02150209081
• The number of decimal digits it has is: 11
• The sum of 18090205120's digits is 28
• More coming soon!