389515230

Names of 389515230

• Cardinal: 389515230 can be written as Three hundred eighty-nine million, five hundred fifteen thousand, two hundred thirty.

Scientific notation

• Scientific notation: 3.8951523 × 10⁸

Factors of 389515230

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 615

Divisors of 389515230

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 71 78 81 90 117 130 135 142 162 195 213 234 270 351 355 390 405 426 521 585 639 702 710 810 923 1042 1053 1065 1170 1278 1563 1755 1846 1917 2106 2130 2605 2769 3126 3195 3510 3834 4615 4689 5210 5265 5538 5751 6390 6773 7815 8307 9230 9378 9585 10530 11502 13546 13845 14067 15630 16614 19170 20319 23445 24921 27690 28134 28755 33865 36991 40638 41535 42201 46890 49842 57510 60957 67730 70335 73982 74763 83070 84402 101595 110973 121914 124605 140670 149526 182871 184955 203190 211005 221946 249210 304785 332919 365742 369910 373815 422010 480883 548613 554865 609570 665838 747630 914355 961766 998757 1097226 1109730 1442649 1664595 1828710 1997514 2404415 2743065 2885298 2996271 3329190 4327947 4808830 4993785 5486130 5992542 7213245 8655894 9987570 12983841 14426490 14981355 21639735 25967682 29962710 38951523 43279470 64919205 77903046 129838410 194757615 389515230
• Sum of all divisors σ(n): 1146011328
• Sum of proper divisors (its aliquot sum) s(n): 756496098
• 389515230 is an abundant number, because the sum of its proper divisors (756496098) is greater than itself. Its abundance is 366980868

Bases of 389515230

• Binary: 10111001101111000011111011110₂
• Hexadecimal: 0x173787DE
• Base-36: 6FWNVI

Squares and roots of 389515230

• 389515230 squared (389515230²) is 151722114401952900
• 389515230 cubed (389515230³) is 59098074287362996292667000
• The square root of 389515230 is 19736.1402001505
• The cube root of 389515230 is 730.3115140115

Scales and comparisons

• 389,515,230 seconds is equal to 12 years, 20 weeks, 6 hours, 40 minutes, 30 seconds.
• To count from 1 to 389,515,230 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 389515230 cubic inches would be around 60.9 feet tall.

Recreational maths with 389515230

• 389515230 backwards is 032515983
• The number of decimal digits it has is: 9
• The sum of 389515230's digits is 36
• More coming soon!