20388991480
20,388,991,480 is an even composite number composed of six prime numbers multiplied together.
20388991480 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20388991480:
23 × 5 × 11 × 132 × 17 × 1272
(2 × 2 × 2 × 5 × 11 × 13 × 13 × 17 × 127 × 127)See below for interesting mathematical facts about the number 20388991480 from the Numbermatics database.
Names of 20388991480
- Cardinal: 20388991480 can be written as Twenty billion, three hundred eighty-eight million, nine hundred ninety-one thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.038899148 × 1010
Factors of 20388991480
Divisors of 20388991480
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 8 10 11 13 17 20 22 26 34 40 44 52 55 65 68 85 88 104 110 127 130 136 143 169 170 187 220 221 254 260 286 338 340 374 440 442 508 520 572 635 676 680 715 748 845 884 935 1016 1105 1144 1270 1352 1397 1430 1496 1651 1690 1768 1859 1870 2159 2210 2431 2540 2794 2860 2873 3302 3380 3718 3740 4318 4420 4862 5080 5588 5720 5746 6604 6760 6985 7436 7480 8255 8636 8840 9295 9724 10795 11176 11492 12155 13208 13970 14365 14872 16129 16510 17272 18161 18590 19448 21463 21590 22984 23749 24310 27940 28067 28730 31603 32258 33020 36322 37180 42926 43180 47498 48620 55880 56134 57460 63206 64516 66040 72644 74360 80645 85852 86360 90805 94996 97240 107315 112268 114920 118745 126412 129032 140335 145288 158015 161290 171704 177419 181610 189992 209677 214630 224536 236093 237490 252824 274193 280670 308737 316030 322580 354838 363220 364871 419354 429260 472186 474980 548386 561340 617474 632060 645160 709676 726440 729742 838708 858520 887095 944372 949960 1048385 1096772 1122680 1180465 1234948 1264120 1370965 1419352 1459484 1543685 1677416 1774190 1824355 1888744 2096770 2193544 2306447 2360930 2469896 2725801 2741930 2918968 3016123 3087370 3548380 3564509 3648710 4013581 4193540 4612894 4721860 5451602 5483860 6032246 6174740 7096760 7129018 7297420 8027162 8387080 9225788 9443720 10903204 10967720 11532235 12064492 12349480 13629005 14258036 14594840 15080615 16054324 17822545 18451576 20067905 21806408 23064470 24128984 27258010 28516072 29983811 30161230 32108648 35645090 39209599 40135810 46128940 46338617 54516020 59967622 60322460 71290180 78419198 80271620 92257880 92677234 109032040 119935244 120644920 142580360 149919055 156838396 160543240 185354468 196047995 231693085 239870488 299838110 313676792 370708936 392095990 463386170 509724787 599676220 784191980 926772340 1019449574 1199352440 1568383960 1853544680 2038899148 2548623935 4077798296 5097247870 10194495740 20388991480
- Sum of all divisors σ(n): 57834602640
- Sum of proper divisors (its aliquot sum) s(n): 37445611160
- 20388991480 is an abundant number, because the sum of its proper divisors (37445611160) is greater than itself. Its abundance is 17056619680
Bases of 20388991480
- Binary: 100101111110100011101010001111110002
- Hexadecimal: 0x4BF4751F8
- Base-36: 9D72UIG
Squares and roots of 20388991480
- 20388991480 squared (203889914802) is 415710973571512590400
- 20388991480 cubed (203889914803) is 8475927498292075376378329792000
-
The
square root of 20388991480 is 142790.0258421435 -
The
cube root of 20388991480 is 2731.9028306229
Scales and comparisons
How big is 20388991480?- 20,388,991,480 seconds is equal to 648 years, 15 weeks, 6 days, 16 hours, 44 minutes, 40 seconds.
-
To count from 1 to 20,388,991,480 would take you about one thousand, two hundred ninety-six 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 20388991480 cubic inches would be around 227.7 feet tall.
Recreational maths with 20388991480
- 20388991480 backwards is 08419988302
- 20388991480 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20388991480's digits is 52
- More coming soon!
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