1999491072

Names of 1999491072

• Cardinal: 1999491072 can be written as One billion, nine hundred ninety-nine million, four hundred ninety-one thousand and seventy-two.

Scientific notation

• Scientific notation: 1.999491072 × 10⁹

Factors of 1999491072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 246

Divisors of 1999491072

• Number of divisors d(n): 208
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 29 31 32 48 58 62 64 87 93 96 116 124 128 174 181 186 192 232 248 256 348 362 372 384 464 496 512 543 696 724 744 768 899 928 992 1024 1086 1392 1448 1488 1536 1798 1856 1984 2048 2172 2697 2784 2896 2976 3072 3596 3712 3968 4096 4344 5249 5394 5568 5611 5792 5952 6144 7192 7424 7936 8688 10498 10788 11136 11222 11584 11904 12288 14384 14848 15747 15872 16833 17376 20996 21576 22272 22444 23168 23808 28768 29696 31494 31744 33666 34752 41992 43152 44544 44888 46336 47616 57536 59392 62988 63488 67332 69504 83984 86304 89088 89776 92672 95232 115072 118784 125976 126976 134664 139008 162719 167968 172608 178176 179552 185344 190464 230144 251952 269328 278016 325438 335936 345216 356352 359104 370688 380928 460288 488157 503904 538656 556032 650876 671872 690432 718208 741376 920576 976314 1007808 1077312 1112064 1301752 1343744 1380864 1436416 1841152 1952628 2015616 2154624 2224128 2603504 2687488 2761728 2872832 3682304 3905256 4031232 4309248 5207008 5374976 5523456 5745664 7810512 8062464 8618496 10414016 10749952 11046912 11491328 15621024 16124928 17236992 20828032 21499904 22982656 31242048 32249856 34473984 41656064 62484096 64499712 68947968 83312128 124968192 166624256 249936384 333248512 499872768 666497024 999745536 1999491072
• Sum of all divisors σ(n): 5724526080
• Sum of proper divisors (its aliquot sum) s(n): 3725035008
• 1999491072 is an abundant number, because the sum of its proper divisors (3725035008) is greater than itself. Its abundance is 1725543936

Bases of 1999491072

• Binary: 1110111001011011101000000000000₂
• Hexadecimal: 0x772DD000
• Base-36: X2G16O

Squares and roots of 1999491072

• 1999491072 squared (1999491072²) is 3997964547007709184
• 1999491072 cubed (1999491072³) is 7993894417914438828580405248
• The square root of 1999491072 is 44715.6691999571
• The cube root of 1999491072 is 1259.8141726455

Scales and comparisons

• 1,999,491,072 seconds is equal to 63 years, 30 weeks, 6 hours, 11 minutes, 12 seconds.
• To count from 1 to 1,999,491,072 would take you about one hundred twenty-seven 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 1999491072 cubic inches would be around 105 feet tall.

Recreational maths with 1999491072

• 1999491072 backwards is 2701949991
• The number of decimal digits it has is: 10
• The sum of 1999491072's digits is 51
• More coming soon!