12661138440
12,661,138,440 is an even composite number composed of six prime numbers multiplied together.
12661138440 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 12661138440:
23 × 32 × 5 × 23 × 432 × 827
(2 × 2 × 2 × 3 × 3 × 5 × 23 × 43 × 43 × 827)See below for interesting mathematical facts about the number 12661138440 from the Numbermatics database.
Names of 12661138440
- Cardinal: 12661138440 can be written as Twelve billion, six hundred sixty-one million, one hundred thirty-eight thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.266113844 × 1010
Factors of 12661138440
Divisors of 12661138440
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 30 36 40 43 45 46 60 69 72 86 90 92 115 120 129 138 172 180 184 207 215 230 258 276 344 345 360 387 414 430 460 516 552 645 690 774 827 828 860 920 989 1032 1035 1290 1380 1548 1654 1656 1720 1849 1935 1978 2070 2481 2580 2760 2967 3096 3308 3698 3870 3956 4135 4140 4945 4962 5160 5547 5934 6616 7396 7443 7740 7912 8270 8280 8901 9245 9890 9924 11094 11868 12405 14792 14835 14886 15480 16540 16641 17802 18490 19021 19780 19848 22188 23736 24810 27735 29670 29772 33080 33282 35561 35604 36980 37215 38042 39560 42527 44376 44505 49620 55470 57063 59340 59544 66564 71122 71208 73960 74430 76084 83205 85054 89010 95105 99240 106683 110940 114126 118680 127581 133128 142244 148860 152168 166410 170108 171189 177805 178020 190210 212635 213366 221880 228252 255162 284488 285315 297720 320049 332820 340216 342378 355610 356040 380420 382743 425270 426732 456504 510324 533415 570630 637905 640098 665640 684756 711220 760840 765486 817903 850540 853464 855945 1020648 1066830 1141260 1275810 1280196 1369512 1422440 1529123 1530972 1600245 1635806 1701080 1711890 1913715 2133660 2282520 2453709 2551620 2560392 3058246 3061944 3200490 3271612 3423780 3827430 4089515 4267320 4587369 4907418 5103240 6116492 6400980 6543224 6847560 7361127 7645615 7654860 8179030 9174738 9814836 12232984 12268545 12801960 13762107 14722254 15291230 15309720 16358060 18349476 19629672 22936845 24537090 27524214 29444508 30582460 32716120 35169829 36698952 36805635 45873690 49074180 55048428 58889016 61164920 68810535 70339658 73611270 91747380 98148360 105509487 110096856 137621070 140679316 147222540 175849145 183494760 211018974 275242140 281358632 294445080 316528461 351698290 422037948 527547435 550484280 633056922 703396580 844075896 1055094870 1266113844 1406793160 1582642305 2110189740 2532227688 3165284610 4220379480 6330569220 12661138440
- Sum of all divisors σ(n): 44012704320
- Sum of proper divisors (its aliquot sum) s(n): 31351565880
- 12661138440 is an abundant number, because the sum of its proper divisors (31351565880) is greater than itself. Its abundance is 18690427440
Bases of 12661138440
- Binary: 10111100101010100110100100000010002
- Hexadecimal: 0x2F2A9A408
- Base-36: 5TE44Y0
Squares and roots of 12661138440
- 12661138440 squared (126611384402) is 160304426596845633600
- 12661138440 cubed (126611384403) is 2029636537687480634319115584000
-
The
square root of 12661138440 is 112521.7243024653 -
The
cube root of 12661138440 is 2330.7243807385
Scales and comparisons
How big is 12661138440?- 12,661,138,440 seconds is equal to 402 years, 30 weeks, 2 days, 22 hours, 54 minutes.
-
To count from 1 to 12,661,138,440 would take you about eight hundred 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 12661138440 cubic inches would be around 194.2 feet tall.
Recreational maths with 12661138440
- 12661138440 backwards is 04483116621
- 12661138440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12661138440's digits is 36
- More coming soon!
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