31379664420
31,379,664,420 is an even composite number composed of seven prime numbers multiplied together.
31379664420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 31379664420:
22 × 32 × 5 × 13 × 53 × 421 × 601
(2 × 2 × 3 × 3 × 5 × 13 × 53 × 421 × 601)See below for interesting mathematical facts about the number 31379664420 from the Numbermatics database.
Names of 31379664420
- Cardinal: 31379664420 can be written as Thirty-one billion, three hundred seventy-nine million, six hundred sixty-four thousand, four hundred twenty.
Scientific notation
- Scientific notation: 3.137966442 × 1010
Factors of 31379664420
Divisors of 31379664420
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 53 60 65 78 90 106 117 130 156 159 180 195 212 234 260 265 318 390 421 468 477 530 585 601 636 689 780 795 842 954 1060 1170 1202 1263 1378 1590 1684 1803 1908 2067 2105 2340 2385 2404 2526 2756 3005 3180 3445 3606 3789 4134 4210 4770 5052 5409 5473 6010 6201 6315 6890 7212 7578 7813 8268 8420 9015 9540 10335 10818 10946 12020 12402 12630 13780 15156 15626 16419 18030 18945 20670 21636 21892 22313 23439 24804 25260 27045 27365 31005 31252 31853 32838 36060 37890 39065 41340 44626 46878 49257 54090 54730 62010 63706 65676 66939 70317 75780 78130 82095 89252 93756 95559 98514 108180 109460 111565 117195 124020 127412 133878 140634 156260 159265 164190 191118 197028 200817 223130 234390 246285 253021 267756 281268 286677 290069 318530 328380 334695 351585 382236 401634 414089 446260 468780 477795 492570 506042 573354 580138 637060 669390 703170 759063 803268 828178 870207 955590 985140 1004085 1012084 1146708 1160276 1242267 1265105 1338780 1406340 1433385 1450345 1518126 1656356 1740414 1911180 2008170 2070445 2277189 2484534 2530210 2610621 2866770 2900690 3036252 3289273 3480828 3726801 3795315 4016340 4140890 4351035 4554378 4969068 5060420 5221242 5733540 5801380 6211335 6578546 7453602 7590630 8281780 8702070 9108756 9867819 10442484 11385945 12422670 13053105 13157092 13410113 14907204 15181260 16446365 17404140 18634005 19735638 22771890 24845340 26106210 26820226 29603457 32892730 37268010 39471276 40230339 45543780 49339095 52212420 53640452 59206914 65785460 67050565 74536020 80460678 98678190 118413828 120691017 134101130 148017285 160921356 174331469 197356380 201151695 241382034 268202260 296034570 348662938 402303390 482764068 522994407 592069140 603455085 697325876 804606780 871657345 1045988814 1206910170 1568983221 1743314690 2091977628 2413820340 2614972035 3137966442 3486629380 5229944070 6275932884 7844916105 10459888140 15689832210 31379664420
- Sum of all divisors σ(n): 104863266144
- Sum of proper divisors (its aliquot sum) s(n): 73483601724
- 31379664420 is an abundant number, because the sum of its proper divisors (73483601724) is greater than itself. Its abundance is 42103937304
Bases of 31379664420
- Binary: 111010011100101111110101110001001002
- Hexadecimal: 0x74E5FAE24
- Base-36: EEYN410
Squares and roots of 31379664420
- 31379664420 squared (313796644202) is 984683339111813936400
- 31379664420 cubed (313796644203) is 30899032741293782181711222888000
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The
square root of 31379664420 is 177143.0620148585 -
The
cube root of 31379664420 is 3154.1530647609
Scales and comparisons
How big is 31379664420?- 31,379,664,420 seconds is equal to 997 years, 40 weeks, 2 days, 13 hours, 27 minutes.
-
To count from 1 to 31,379,664,420 would take you about one thousand, nine hundred ninety-five 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 31379664420 cubic inches would be around 262.8 feet tall.
Recreational maths with 31379664420
- 31379664420 backwards is 02446697313
- 31379664420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31379664420's digits is 45
- More coming soon!
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