389494980

Names of 389494980

• Cardinal: 389494980 can be written as Three hundred eighty-nine million, four hundred ninety-four thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 3.8949498 × 10⁸

Factors of 389494980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 124

Divisors of 389494980

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 107 108 126 135 140 162 180 189 210 214 243 252 270 315 321 324 378 405 420 428 486 535 540 567 630 642 749 756 810 945 963 972 1070 1134 1215 1260 1284 1498 1605 1620 1701 1890 1926 2140 2247 2268 2430 2835 2889 2996 3210 3402 3745 3780 3852 4494 4815 4860 5670 5778 6420 6741 6804 7490 8505 8667 8988 9630 11235 11340 11449 11556 13482 14445 14980 17010 17334 19260 20223 22470 22898 26001 26964 28890 33705 34020 34347 34668 40446 43335 44940 45796 52002 57245 57780 60669 67410 68694 80143 80892 86670 101115 103041 104004 114490 121338 130005 134820 137388 160286 171735 173340 182007 202230 206082 228980 240429 242676 260010 303345 309123 320572 343470 364014 400715 404460 412164 480858 515205 520020 606690 618246 686940 721287 728028 801430 910035 927369 961716 1030410 1202145 1213380 1236492 1442574 1545615 1602860 1820070 1854738 2060820 2163861 2404290 2782107 2885148 3091230 3606435 3640140 3709476 4327722 4636845 4808580 5564214 6182460 6491583 7212870 8655444 9273690 10819305 11128428 12983166 13910535 14425740 18547380 19474749 21638610 25966332 27821070 32457915 38949498 43277220 55642140 64915830 77898996 97373745 129831660 194747490 389494980
• Sum of all divisors σ(n): 1413467328
• Sum of proper divisors (its aliquot sum) s(n): 1023972348
• 389494980 is an abundant number, because the sum of its proper divisors (1023972348) is greater than itself. Its abundance is 634477368

Bases of 389494980

• Binary: 10111001101110011100011000100₂
• Hexadecimal: 0x173738C4
• Base-36: 6FW890

Squares and roots of 389494980

• 389494980 squared (389494980²) is 151706339445200400
• 389494980 cubed (389494980³) is 59088857648081540893992000
• The square root of 389494980 is 19735.6271752381
• The cube root of 389494980 is 730.2988580543

Scales and comparisons

• 389,494,980 seconds is equal to 12 years, 20 weeks, 1 hour, 3 minutes.
• To count from 1 to 389,494,980 would take you about eighteen 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 389494980 cubic inches would be around 60.9 feet tall.

Recreational maths with 389494980

• 389494980 backwards is 089494983
• 389494980 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 389494980's digits is 54
• More coming soon!