18029206720

Names of 18029206720

• Cardinal: 18029206720 can be written as Eighteen billion, twenty-nine million, two hundred six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.802920672 × 10¹⁰

Factors of 18029206720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 518

Divisors of 18029206720

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 151 160 224 280 302 320 353 448 560 604 706 755 1057 1120 1208 1412 1510 1765 2114 2240 2416 2471 2824 3020 3530 4228 4832 4942 5285 5648 6040 7060 8456 9664 9884 10570 11296 12080 12355 14120 16912 19768 21140 22592 22801 24160 24710 28240 33824 39536 42280 45602 48320 49420 53303 56480 67648 79072 84560 91204 98840 106606 112960 114005 158144 159607 169120 182408 197680 213212 228010 266515 319214 338240 364816 373121 395360 426424 456020 533030 638428 729632 746242 790720 798035 852848 912040 1066060 1276856 1459264 1492484 1596070 1705696 1824080 1865605 2132120 2553712 2984968 3192140 3411392 3648160 3731210 4264240 5107424 5969936 6384280 7296320 7462420 8048753 8528480 10214848 11939872 12768560 14924840 16097506 17056960 23879744 25537120 29849680 32195012 40243765 51074240 56341271 59699360 64390024 80487530 112682542 119398720 128780048 160975060 225365084 257560096 281706355 321950120 450730168 515120192 563412710 643900240 901460336 1126825420 1287800480 1802920672 2253650840 2575600960 3605841344 4507301680 9014603360 18029206720
• Sum of all divisors σ(n): 49532206752
• Sum of proper divisors (its aliquot sum) s(n): 31503000032
• 18029206720 is an abundant number, because the sum of its proper divisors (31503000032) is greater than itself. Its abundance is 13473793312

Bases of 18029206720

• Binary: 10000110010100111111101110011000000₂
• Hexadecimal: 0x4329FDCC0
• Base-36: 8A64GXS

Squares and roots of 18029206720

• 18029206720 squared (18029206720²) is 325052294952493158400
• 18029206720 cubed (18029206720³) is 5860435020508911732179304448000
• The square root of 18029206720 is 134272.8815509669
• The cube root of 18029206720 is 2622.1580960197

Scales and comparisons

• 18,029,206,720 seconds is equal to 573 years, 14 weeks, 1 day, 8 hours, 58 minutes, 40 seconds.
• To count from 1 to 18,029,206,720 would take you about one thousand, one hundred forty-six 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 18029206720 cubic inches would be around 218.5 feet tall.

Recreational maths with 18029206720

• 18029206720 backwards is 02760292081
• The number of decimal digits it has is: 11
• The sum of 18029206720's digits is 37
• More coming soon!