21308613480
21,308,613,480 is an even composite number composed of seven prime numbers multiplied together.
21308613480 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21308613480:
23 × 32 × 5 × 7 × 11 × 41 × 18749
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 11 × 41 × 18749)See below for interesting mathematical facts about the number 21308613480 from the Numbermatics database.
Names of 21308613480
- Cardinal: 21308613480 can be written as Twenty-one billion, three hundred eight million, six hundred thirteen thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.130861348 × 1010
Factors of 21308613480
Divisors of 21308613480
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 28 30 33 35 36 40 41 42 44 45 55 56 60 63 66 70 72 77 82 84 88 90 99 105 110 120 123 126 132 140 154 164 165 168 180 198 205 210 220 231 246 252 264 280 287 308 315 328 330 360 369 385 396 410 420 440 451 462 492 495 504 574 615 616 630 660 693 738 770 792 820 840 861 902 924 984 990 1148 1155 1230 1260 1320 1353 1386 1435 1476 1540 1640 1722 1804 1845 1848 1980 2255 2296 2310 2460 2520 2583 2706 2772 2870 2952 3080 3157 3444 3465 3608 3690 3960 4059 4305 4510 4620 4920 5166 5412 5544 5740 6314 6765 6888 6930 7380 8118 8610 9020 9240 9471 10332 10824 11480 12628 12915 13530 13860 14760 15785 16236 17220 18040 18749 18942 20295 20664 25256 25830 27060 27720 28413 31570 32472 34440 37498 37884 40590 47355 51660 54120 56247 56826 63140 74996 75768 81180 93745 94710 103320 112494 113652 126280 131243 142065 149992 162360 168741 187490 189420 206239 224988 227304 262486 281235 284130 337482 374980 378840 393729 412478 449976 524972 562470 568260 618717 656215 674964 749960 768709 787458 824956 843705 1031195 1049944 1124940 1136520 1181187 1237434 1312430 1349928 1443673 1537418 1574916 1649912 1687410 1856151 1968645 2062390 2249880 2306127 2362374 2474868 2624860 2887346 3074836 3093585 3149832 3374820 3712302 3843545 3937290 4124780 4331019 4612254 4724748 4949736 5249720 5380963 5774692 5905935 6149672 6187170 6749640 6918381 7218365 7424604 7687090 7874580 8249560 8455799 8662038 9224508 9280755 9449496 10761926 11530635 11549384 11811870 12374340 12993057 13836762 14436730 14849208 15374180 15749160 16142889 16911598 17324076 18449016 18561510 21523852 21655095 23061270 23623740 24748680 25367397 25986114 26904815 27673524 28873460 30748360 32285778 33823196 34591905 34648152 37123020 42278995 43047704 43310190 46122540 47247480 48428667 50734794 51972228 53809630 55347048 57746920 59190593 64571556 64965285 67646392 69183810 74246040 76102191 80714445 84557990 86620380 92245080 96857334 101469588 103944456 107619260 118381186 126836985 129143112 129930570 138367620 152204382 161428890 169115980 173240760 177571779 193714668 202939176 215238520 236762372 242143335 253673970 259861140 276735240 295952965 304408764 322857780 338231960 355143558 380510955 387429336 473524744 484286670 507347940 519722280 532715337 591905930 608817528 645715560 710287116 761021910 887858895 968573340 1014695880 1065430674 1183811860 1420574232 1522043820 1775717790 1937146680 2130861348 2367623720 2663576685 3044087640 3551435580 4261722696 5327153370 7102871160 10654306740 21308613480
- Sum of all divisors σ(n): 88452000000
- Sum of proper divisors (its aliquot sum) s(n): 67143386520
- 21308613480 is an abundant number, because the sum of its proper divisors (67143386520) is greater than itself. Its abundance is 45834773040
Bases of 21308613480
- Binary: 100111101100001011110100011011010002
- Hexadecimal: 0x4F617A368
- Base-36: 9SELJE0
Squares and roots of 21308613480
- 21308613480 squared (213086134802) is 454057008440037710400
- 21308613480 cubed (213086134803) is 9675325290733861327537776192000
-
The
square root of 21308613480 is 145974.7015068021 -
The
cube root of 21308613480 is 2772.3734465601
Scales and comparisons
How big is 21308613480?- 21,308,613,480 seconds is equal to 677 years, 28 weeks, 3 days, 11 hours, 18 minutes.
-
To count from 1 to 21,308,613,480 would take you about one thousand, three hundred fifty-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 21308613480 cubic inches would be around 231 feet tall.
Recreational maths with 21308613480
- 21308613480 backwards is 08431680312
- 21308613480 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21308613480's digits is 36
- More coming soon!
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