389929036620

Names of 389929036620

• Cardinal: 389929036620 can be written as Three hundred eighty-nine billion, nine hundred twenty-nine million, thirty-six thousand, six hundred twenty.

Scientific notation

• Scientific notation: 3.8992903662 × 10¹¹

Factors of 389929036620

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 268

Divisors of 389929036620

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 227 310 372 454 465 620 681 908 930 961 1135 1362 1860 1922 2270 2724 2883 3405 3844 4540 4805 5766 6810 7037 9610 11532 13620 14074 14415 19220 21111 28148 28830 29791 35185 42222 57660 59582 70370 84444 89373 105555 119164 140740 148955 178746 211110 218147 297910 357492 422220 436294 446865 595820 654441 872588 893730 923521 1090735 1308882 1787460 1847042 2181470 2617764 2770563 3272205 3694084 4362940 4617605 5541126 6544410 6762557 9235210 11082252 13088820 13525114 13852815 18470420 20287671 27050228 27705630 28629151 33812785 40575342 55411260 57258302 67625570 81150684 85887453 101438355 114516604 135251140 143145755 171774906 202876710 209639267 286291510 343549812 405753420 419278534 429437265 572583020 628917801 838557068 858874530 1048196335 1257835602 1717749060 2096392670 2515671204 3144589005 4192785340 6289178010 6498817277 12578356020 12997634554 19496451831 25995269108 32494086385 38992903662 64988172770 77985807324 97482259155 129976345540 194964518310 389929036620
• Sum of all divisors σ(n): 1133164698624
• Sum of proper divisors (its aliquot sum) s(n): 743235662004
• 389929036620 is an abundant number, because the sum of its proper divisors (743235662004) is greater than itself. Its abundance is 353306625384

Bases of 389929036620

• Binary: 101101011001001100101001110101101001100₂
• Hexadecimal: 0x5AC994EB4C
• Base-36: 4Z4POI8C

Squares and roots of 389929036620

• 389929036620 squared (389929036620²) is 152044653599401301024400
• 389929036620 cubed (389929036620³) is 59286625301236164717218911113528000
• The square root of 389929036620 is 624442.9810799381
• The cube root of 389929036620 is 7305.7004115907

Scales and comparisons

• 389,929,036,620 seconds is equal to 12,398 years, 27 weeks, 6 days, 13 hours, 17 minutes.
• To count from 1 to 389,929,036,620 would take you about twenty-four thousand, seven hundred ninety-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 389929036620 cubic inches would be around 608.8 feet tall.

Recreational maths with 389929036620

• 389929036620 backwards is 026630929983
• The number of decimal digits it has is: 12
• The sum of 389929036620's digits is 57
• More coming soon!