40389428820
40,389,428,820 is an even composite number composed of seven prime numbers multiplied together.
40389428820 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 40389428820:
22 × 3 × 5 × 13 × 41 × 733 × 1723
(2 × 2 × 3 × 5 × 13 × 41 × 733 × 1723)See below for interesting mathematical facts about the number 40389428820 from the Numbermatics database.
Names of 40389428820
- Cardinal: 40389428820 can be written as Forty billion, three hundred eighty-nine million, four hundred twenty-eight thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 4.038942882 × 1010
Factors of 40389428820
Divisors of 40389428820
- Number of divisors d(n): 192
-
Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 20 26 30 39 41 52 60 65 78 82 123 130 156 164 195 205 246 260 390 410 492 533 615 733 780 820 1066 1230 1466 1599 1723 2132 2199 2460 2665 2932 3198 3446 3665 4398 5169 5330 6396 6892 7330 7995 8615 8796 9529 10338 10660 10995 14660 15990 17230 19058 20676 21990 22399 25845 28587 30053 31980 34460 38116 43980 44798 47645 51690 57174 60106 67197 70643 89596 90159 95290 103380 111995 114348 120212 134394 141286 142935 150265 180318 190580 211929 223990 268788 282572 285870 300530 335985 353215 360636 390689 423858 447980 450795 571740 601060 671970 706430 781378 847716 901590 918359 1059645 1172067 1262959 1343940 1412860 1562756 1803180 1836718 1953445 2119290 2344134 2525918 2755077 3673436 3788877 3906890 4238580 4591795 4688268 5051836 5510154 5860335 6314795 7577754 7813780 9183590 11020308 11720670 12629590 13775385 15155508 16418467 18367180 18944385 23441340 25259180 27550770 32836934 37888770 49255401 51781319 55101540 65673868 75777540 82092335 98510802 103562638 155343957 164184670 197021604 207125276 246277005 258906595 310687914 328369340 492554010 517813190 621375828 673157147 776719785 985108020 1035626380 1346314294 1553439570 2019471441 2692628588 3106879140 3365785735 4038942882 6731571470 8077885764 10097357205 13463142940 20194714410 40389428820
- Sum of all divisors σ(n): 125002854144
- Sum of proper divisors (its aliquot sum) s(n): 84613425324
- 40389428820 is an abundant number, because the sum of its proper divisors (84613425324) is greater than itself. Its abundance is 44223996504
Bases of 40389428820
- Binary: 1001011001110110010111000110010101002
- Hexadecimal: 0x96765C654
- Base-36: IJYTMQC
Squares and roots of 40389428820
- 40389428820 squared (403894288202) is 1631305960405846592400
- 40389428820 cubed (403894288203) is 65887515971453679255579352968000
-
The
square root of 40389428820 is 200971.2139088581 -
The
cube root of 40389428820 is 3431.0146346497
Scales and comparisons
How big is 40389428820?- 40,389,428,820 seconds is equal to 1,284 years, 13 weeks, 3 days, 5 hours, 47 minutes.
-
To count from 1 to 40,389,428,820 would take you about two thousand, five hundred sixty-eight 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 40389428820 cubic inches would be around 285.9 feet tall.
Recreational maths with 40389428820
- 40389428820 backwards is 02882498304
- The number of decimal digits it has is: 11
- The sum of 40389428820's digits is 48
- More coming soon!
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