21991006980
21,991,006,980 is an even composite number composed of seven prime numbers multiplied together.
21991006980 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 21991006980:
22 × 33 × 5 × 19 × 37 × 53 × 1093
(2 × 2 × 3 × 3 × 3 × 5 × 19 × 37 × 53 × 1093)See below for interesting mathematical facts about the number 21991006980 from the Numbermatics database.
Names of 21991006980
- Cardinal: 21991006980 can be written as Twenty-one billion, nine hundred ninety-one million, six thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 2.199100698 × 1010
Factors of 21991006980
Divisors of 21991006980
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 27 30 36 37 38 45 53 54 57 60 74 76 90 95 106 108 111 114 135 148 159 171 180 185 190 212 222 228 265 270 285 318 333 342 370 380 444 477 513 530 540 555 570 636 666 684 703 740 795 855 954 999 1007 1026 1060 1093 1110 1140 1332 1406 1431 1590 1665 1710 1908 1961 1998 2014 2052 2109 2186 2220 2385 2565 2812 2862 3021 3180 3279 3330 3420 3515 3922 3996 4028 4218 4372 4770 4995 5035 5130 5465 5724 5883 6042 6327 6558 6660 7030 7155 7844 8436 9063 9540 9805 9837 9990 10070 10260 10545 10930 11766 12084 12654 13116 14060 14310 15105 16395 17649 18126 18981 19610 19674 19980 20140 20767 21090 21860 23532 25308 27189 28620 29415 29511 30210 31635 32790 35298 36252 37259 37962 39220 39348 40441 41534 42180 45315 49185 52947 54378 57929 58830 59022 60420 62301 63270 65580 70596 74518 75924 80882 83068 88245 90630 94905 98370 103835 105894 108756 111777 115858 117660 118044 121323 124602 126540 135945 147555 149036 161764 173787 176490 181260 186295 186903 189810 196740 202205 207670 211788 223554 231716 242646 249204 264735 271890 289645 295110 311505 335331 347574 352980 363969 372590 373806 379620 404410 415340 447108 485292 521361 529470 543780 558885 560709 579290 590220 606615 623010 670662 695148 727938 745180 747612 768379 808820 868935 934515 1005993 1042722 1058940 1091907 1100651 1117770 1121418 1158580 1213230 1246020 1341324 1455876 1536758 1564083 1676655 1737870 1819845 1869030 2011986 2085444 2143373 2183814 2201302 2235540 2242836 2305137 2426460 2606805 2803545 3073516 3128166 3301953 3353310 3475740 3639690 3738060 3841895 4023972 4286746 4367628 4402604 4610274 5029965 5213610 5459535 5503255 5607090 6256332 6430119 6603906 6706620 6915411 7279380 7683790 7820415 8573492 9220548 9905859 10059930 10427220 10716865 10919070 11006510 11214180 11525685 12860238 13207812 13830822 15367580 15640830 16509765 19290357 19811718 20119860 20746233 21433730 21838140 22013020 23051370 25720476 27661644 29717577 31281660 32150595 33019530 34577055 38580714 39623436 40724087 41492466 42867460 46102740 49529295 57871071 59435154 64301190 66039060 69154110 77161428 81448174 82984932 96451785 99058590 103731165 115742142 118870308 122172261 128602380 138308220 148587885 162896348 192903570 198117180 203620435 207462330 231484284 244344522 289355355 297175770 366516783 385807140 407240870 414924660 488689044 578710710 594351540 610861305 733033566 814481740 1099550349 1157421420 1221722610 1466067132 1832583915 2199100698 2443445220 3665167830 4398201396 5497751745 7330335660 10995503490 21991006980
- Sum of all divisors σ(n): 75428236800
- Sum of proper divisors (its aliquot sum) s(n): 53437229820
- 21991006980 is an abundant number, because the sum of its proper divisors (53437229820) is greater than itself. Its abundance is 31446222840
Bases of 21991006980
- Binary: 101000111101100010000100011000001002
- Hexadecimal: 0x51EC42304
- Base-36: A3OVLL0
Squares and roots of 21991006980
- 21991006980 squared (219910069802) is 483604387994408720400
- 21991006980 cubed (219910069803) is 10634947471943670371289268392000
-
The
square root of 21991006980 is 148293.6511790037 -
The
cube root of 21991006980 is 2801.6574786847
Scales and comparisons
How big is 21991006980?- 21,991,006,980 seconds is equal to 699 years, 12 weeks, 5 days, 13 hours, 3 minutes.
-
To count from 1 to 21,991,006,980 would take you about one thousand, three hundred ninety-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 21991006980 cubic inches would be around 233.5 feet tall.
Recreational maths with 21991006980
- 21991006980 backwards is 08960019912
- 21991006980 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21991006980's digits is 45
- More coming soon!
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The information we have on file for 21991006980 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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