1668074490

Names of 1668074490

• Cardinal: 1668074490 can be written as One billion, six hundred sixty-eight million, seventy-four thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.66807449 × 10⁹

Factors of 1668074490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 338

Divisors of 1668074490

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 29 30 43 45 58 86 87 89 90 129 145 167 174 178 215 258 261 267 290 334 387 430 435 445 501 522 534 645 774 801 835 870 890 1002 1247 1290 1305 1335 1503 1602 1670 1935 2494 2505 2581 2610 2670 3006 3741 3827 3870 4005 4843 5010 5162 6235 7181 7482 7515 7654 7743 8010 9686 11223 11481 12470 12905 14362 14529 14863 15030 15486 18705 19135 21543 22446 22962 23229 24215 25810 29058 29726 34443 35905 37410 38270 38715 43086 43587 44589 46458 48430 56115 57405 64629 68886 71810 72645 74315 77430 87174 89178 107715 110983 112230 114810 116145 129258 133767 145290 148630 172215 208249 215430 217935 221966 222945 232290 267534 323145 332949 344430 416498 431027 435870 445890 554915 624747 639109 646290 665898 668835 862054 998847 1041245 1109830 1249494 1278218 1293081 1337670 1664745 1874241 1917327 1997694 2082490 2155135 2586162 3123735 3195545 3329490 3748482 3834654 3879243 4310270 4994235 5751981 6247470 6391090 6465405 7758486 9371205 9586635 9988470 11503962 12930810 18534161 18742410 19173270 19396215 28759905 37068322 38792430 55602483 57519810 92670805 111204966 166807449 185341610 278012415 333614898 556024830 834037245 1668074490
• Sum of all divisors σ(n): 4670265600
• Sum of proper divisors (its aliquot sum) s(n): 3002191110
• 1668074490 is an abundant number, because the sum of its proper divisors (3002191110) is greater than itself. Its abundance is 1334116620

Bases of 1668074490

• Binary: 1100011011011001100101111111010₂
• Hexadecimal: 0x636CCBFA
• Base-36: RL4MII

Squares and roots of 1668074490

• 1668074490 squared (1668074490²) is 2782472504188760100
• 1668074490 cubed (1668074490³) is 4641371403363688867539849000
• The square root of 1668074490 is 40842.0676508915
• The cube root of 1668074490 is 1185.9648393715

Scales and comparisons

• 1,668,074,490 seconds is equal to 53 years, 2 weeks, 10 hours, 1 minute, 30 seconds.
• To count from 1 to 1,668,074,490 would take you about one hundred 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 1668074490 cubic inches would be around 98.8 feet tall.

Recreational maths with 1668074490

• 1668074490 backwards is 0944708661
• 1668074490 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1668074490's digits is 45
• More coming soon!