21026688900
21,026,688,900 is an even composite number composed of six prime numbers multiplied together.
21026688900 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 21026688900:
22 × 3 × 52 × 73 × 233 × 877
(2 × 2 × 3 × 5 × 5 × 7 × 7 × 7 × 233 × 877)See below for interesting mathematical facts about the number 21026688900 from the Numbermatics database.
Names of 21026688900
- Cardinal: 21026688900 can be written as Twenty-one billion, twenty-six million, six hundred eighty-eight thousand, nine hundred.
Scientific notation
- Scientific notation: 2.10266889 × 1010
Factors of 21026688900
Divisors of 21026688900
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 49 50 60 70 75 84 98 100 105 140 147 150 175 196 210 233 245 294 300 343 350 420 466 490 525 588 686 699 700 735 877 932 980 1029 1050 1165 1225 1372 1398 1470 1631 1715 1754 2058 2100 2330 2450 2631 2796 2940 3262 3430 3495 3508 3675 4116 4385 4660 4893 4900 5145 5262 5825 6139 6524 6860 6990 7350 8155 8575 8770 9786 10290 10524 11417 11650 12278 13155 13980 14700 16310 17150 17475 17540 18417 19572 20580 21925 22834 23300 24465 24556 25725 26310 30695 32620 34251 34300 34950 36834 40775 42973 43850 45668 48930 51450 52620 57085 61390 65775 68502 69900 73668 79919 81550 85946 87700 92085 97860 102900 114170 122325 122780 128919 131550 137004 153475 159838 163100 171255 171892 184170 204341 214865 228340 239757 244650 257838 263100 285425 300811 306950 319676 342510 368340 399595 408682 429730 460425 479514 489300 515676 570850 601622 613023 613900 644595 685020 799190 817364 856275 859460 902433 920850 959028 1021705 1074325 1141700 1198785 1203244 1226046 1289190 1430387 1504055 1598380 1712550 1804866 1841700 1997975 2043410 2148650 2397570 2452092 2578380 2860774 3008110 3065115 3222975 3425100 3609732 3995950 4086820 4291161 4297300 4512165 4795140 5108525 5721548 5993925 6016220 6130230 6445950 7151935 7520275 7991900 8582322 9024330 10012709 10217050 11987850 12260460 12891900 14303870 15040550 15325575 17164644 18048660 20025418 20434100 21455805 22560825 23975700 28607740 30038127 30081100 30651150 35759675 40050836 42911610 45121650 50063545 60076254 61302300 70088963 71519350 85823220 90243300 100127090 107279025 120152508 140177926 143038700 150190635 200254180 210266889 214558050 250317725 280355852 300381270 350444815 420533778 429116100 500635450 600762540 700889630 750953175 841067556 1001270900 1051334445 1401779260 1501906350 1752224075 2102668890 3003812700 3504448150 4205337780 5256672225 7008896300 10513344450 21026688900
- Sum of all divisors σ(n): 71332934400
- Sum of proper divisors (its aliquot sum) s(n): 50306245500
- 21026688900 is an abundant number, because the sum of its proper divisors (50306245500) is greater than itself. Its abundance is 29279556600
Bases of 21026688900
- Binary: 100111001010100100111001111100001002
- Hexadecimal: 0x4E549CF84
- Base-36: 9NQQWZO
Squares and roots of 21026688900
- 21026688900 squared (210266889002) is 442121646097383210000
- 21026688900 cubed (210266889003) is 9296354308445575860753369000000
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The
square root of 21026688900 is 145005.8236761545 -
The
cube root of 21026688900 is 2760.0924538447
Scales and comparisons
How big is 21026688900?- 21,026,688,900 seconds is equal to 668 years, 30 weeks, 2 days, 10 hours, 55 minutes.
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To count from 1 to 21,026,688,900 would take you about one thousand, three hundred thirty-seven 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 21026688900 cubic inches would be around 230 feet tall.
Recreational maths with 21026688900
- 21026688900 backwards is 00988662012
- 21026688900 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21026688900's digits is 42
- More coming soon!
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