20489117184

Names of 20489117184

• Cardinal: 20489117184 can be written as Twenty billion, four hundred eighty-nine million, one hundred seventeen thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 2.0489117184 × 10¹⁰

Factors of 20489117184

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 15973

Divisors of 20489117184

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 81 93 96 108 124 128 144 162 186 192 216 248 256 279 288 324 372 384 432 496 512 558 576 648 744 768 837 864 992 1116 1152 1296 1488 1536 1674 1728 1984 2232 2304 2511 2592 2976 3348 3456 3968 4464 4608 5022 5184 5952 6696 6912 7936 8928 10044 10368 11904 13392 13824 15872 15937 17856 20088 20736 23808 26784 31874 35712 40176 41472 47616 47811 53568 63748 71424 80352 95622 107136 127496 142848 143433 160704 191244 214272 254992 286866 321408 382488 428544 430299 494047 509984 573732 642816 764976 860598 988094 1019968 1147464 1285632 1290897 1482141 1529952 1721196 1976188 2039936 2294928 2581794 2964282 3059904 3442392 3952376 4079872 4446423 4589856 5163588 5928564 6119808 6884784 7904752 8159744 8892846 9179712 10327176 11857128 12239616 13339269 13769568 15809504 17785692 18359424 20654352 23714256 24479232 26678538 27539136 31619008 35571384 36718848 40017807 41308704 47428512 53357076 55078272 63238016 71142768 73437696 80035614 82617408 94857024 106714152 110156544 126476032 142285536 160071228 165234816 189714048 213428304 220313088 252952064 284571072 320142456 330469632 379428096 426856608 569142144 640284912 660939264 758856192 853713216 1138284288 1280569824 1707426432 2276568576 2561139648 3414852864 5122279296 6829705728 10244558592 20489117184
• Sum of all divisors σ(n): 63131310528
• Sum of proper divisors (its aliquot sum) s(n): 42642193344
• 20489117184 is an abundant number, because the sum of its proper divisors (42642193344) is greater than itself. Its abundance is 22153076160

Bases of 20489117184

• Binary: 10011000101001111110001111000000000₂
• Hexadecimal: 0x4C53F1E00
• Base-36: 9EUOW00

Squares and roots of 20489117184

• 20489117184 squared (20489117184²) is 419803922979684089856
• 20489117184 cubed (20489117184³) is 8601411772233657768359969685504
• The square root of 20489117184 is 143140.2011455901
• The cube root of 20489117184 is 2736.3674483407

Scales and comparisons

• 20,489,117,184 seconds is equal to 651 years, 25 weeks, 3 days, 13 hours, 26 minutes, 24 seconds.
• To count from 1 to 20,489,117,184 would take you about one thousand, three hundred two 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 20489117184 cubic inches would be around 228 feet tall.

Recreational maths with 20489117184

• 20489117184 backwards is 48171198402
• The number of decimal digits it has is: 11
• The sum of 20489117184's digits is 45
• More coming soon!