21013831680
21,013,831,680 is an even composite number composed of six prime numbers multiplied together.
21013831680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21013831680:
213 × 3 × 5 × 41 × 43 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 41 × 43 × 97)See below for interesting mathematical facts about the number 21013831680 from the Numbermatics database.
Names of 21013831680
- Cardinal: 21013831680 can be written as Twenty-one billion, thirteen million, eight hundred thirty-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.101383168 × 1010
Factors of 21013831680
Divisors of 21013831680
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 43 48 60 64 80 82 86 96 97 120 123 128 129 160 164 172 192 194 205 215 240 246 256 258 291 320 328 344 384 388 410 430 480 485 492 512 516 582 615 640 645 656 688 768 776 820 860 960 970 984 1024 1032 1164 1230 1280 1290 1312 1376 1455 1536 1552 1640 1720 1763 1920 1940 1968 2048 2064 2328 2460 2560 2580 2624 2752 2910 3072 3104 3280 3440 3526 3840 3880 3936 3977 4096 4128 4171 4656 4920 5120 5160 5248 5289 5504 5820 6144 6208 6560 6880 7052 7680 7760 7872 7954 8192 8256 8342 8815 9312 9840 10240 10320 10496 10578 11008 11640 11931 12288 12416 12513 13120 13760 14104 15360 15520 15744 15908 16512 16684 17630 18624 19680 19885 20480 20640 20855 20992 21156 22016 23280 23862 24576 24832 25026 26240 26445 27520 28208 30720 31040 31488 31816 33024 33368 35260 37248 39360 39770 40960 41280 41710 41984 42312 44032 46560 47724 49664 50052 52480 52890 55040 56416 59655 61440 62080 62565 62976 63632 66048 66736 70520 74496 78720 79540 82560 83420 83968 84624 88064 93120 95448 99328 100104 104960 105780 110080 112832 119310 122880 124160 125130 125952 127264 132096 133472 141040 148992 157440 159080 165120 166840 167936 169248 171011 176128 186240 190896 198656 200208 209920 211560 220160 225664 238620 248320 250260 251904 254528 264192 266944 282080 297984 314880 318160 330240 333680 335872 338496 342022 352256 372480 381792 397312 400416 419840 423120 440320 451328 477240 496640 500520 503808 509056 513033 528384 533888 564160 595968 629760 636320 660480 667360 676992 684044 744960 763584 794624 800832 839680 846240 855055 880640 902656 954480 993280 1001040 1007616 1018112 1026066 1056768 1067776 1128320 1191936 1259520 1272640 1320960 1334720 1353984 1368088 1489920 1527168 1601664 1679360 1692480 1710110 1761280 1805312 1908960 1986560 2002080 2036224 2052132 2135552 2256640 2383872 2519040 2545280 2565165 2641920 2669440 2707968 2736176 2979840 3054336 3203328 3384960 3420220 3610624 3817920 3973120 4004160 4072448 4104264 4271104 4513280 5038080 5090560 5130330 5283840 5338880 5415936 5472352 5959680 6108672 6406656 6769920 6840440 7221248 7635840 8008320 8144896 8208528 8542208 9026560 10181120 10260660 10677760 10831872 10944704 11919360 12217344 12813312 13539840 13680880 14442496 15271680 16016640 16289792 16417056 17084416 18053120 20362240 20521320 21355520 21663744 21889408 24434688 25626624 27079680 27361760 30543360 32033280 32579584 32834112 34168832 36106240 40724480 41042640 42711040 43327488 43778816 48869376 51253248 54159360 54723520 61086720 64066560 65668224 72212480 81448960 82085280 85422080 87557632 97738752 102506496 108318720 109447040 122173440 128133120 131336448 162897920 164170560 170844160 175115264 216637440 218894080 244346880 256266240 262672896 328341120 350230528 437788160 488693760 512532480 525345792 656682240 700461056 875576320 1050691584 1313364480 1400922112 1751152640 2101383168 2626728960 3502305280 4202766336 5253457920 7004610560 10506915840 21013831680
- Sum of all divisors σ(n): 71208643968
- Sum of proper divisors (its aliquot sum) s(n): 50194812288
- 21013831680 is an abundant number, because the sum of its proper divisors (50194812288) is greater than itself. Its abundance is 29180980608
Bases of 21013831680
- Binary: 100111001001000010110100000000000002
- Hexadecimal: 0x4E485A000
- Base-36: 9NJ3CAO
Squares and roots of 21013831680
- 21013831680 squared (210138316802) is 441581121875371622400
- 21013831680 cubed (210138316803) is 9279311368154625210562117632000
-
The
square root of 21013831680 is 144961.4834361183 -
The
cube root of 21013831680 is 2759.5297665599
Scales and comparisons
How big is 21013831680?- 21,013,831,680 seconds is equal to 668 years, 9 weeks, 15 hours, 28 minutes.
-
To count from 1 to 21,013,831,680 would take you about one thousand, three hundred thirty-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 21013831680 cubic inches would be around 230 feet tall.
Recreational maths with 21013831680
- 21013831680 backwards is 08613831012
- The number of decimal digits it has is: 11
- The sum of 21013831680's digits is 33
- More coming soon!
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The information we have on file for 21013831680 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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