21981008000
21,981,008,000 is an even composite number composed of five prime numbers multiplied together.
21981008000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21981008000:
27 × 53 × 72 × 232 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 7 × 7 × 23 × 23 × 53)See below for interesting mathematical facts about the number 21981008000 from the Numbermatics database.
Names of 21981008000
- Cardinal: 21981008000 can be written as Twenty-one billion, nine hundred eighty-one million, eight thousand.
Scientific notation
- Scientific notation: 2.1981008 × 1010
Factors of 21981008000
Divisors of 21981008000
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 23 25 28 32 35 40 46 49 50 53 56 64 70 80 92 98 100 106 112 115 125 128 140 160 161 175 184 196 200 212 224 230 245 250 265 280 320 322 350 368 371 392 400 424 448 460 490 500 529 530 560 575 640 644 700 736 742 784 800 805 848 875 896 920 980 1000 1058 1060 1120 1127 1150 1219 1225 1288 1325 1400 1472 1484 1568 1600 1610 1696 1750 1840 1855 1960 2000 2116 2120 2240 2254 2300 2438 2450 2576 2597 2645 2650 2800 2875 2944 2968 3136 3200 3220 3392 3500 3680 3703 3710 3920 4000 4025 4232 4240 4480 4508 4600 4876 4900 5152 5194 5290 5300 5600 5635 5750 5936 6095 6125 6272 6440 6625 6784 7000 7360 7406 7420 7840 8000 8050 8464 8480 8533 9016 9200 9275 9752 9800 10304 10388 10580 10600 11200 11270 11500 11872 12190 12250 12880 12985 13225 13250 14000 14720 14812 14840 15680 16000 16100 16928 16960 17066 18032 18400 18515 18550 19504 19600 20125 20608 20776 21160 21200 22400 22540 23000 23744 24380 24500 25760 25921 25970 26450 26500 28000 28037 28175 29624 29680 30475 31360 32200 33856 33920 34132 36064 36800 37030 37100 39008 39200 40250 41552 42320 42400 42665 45080 46000 46375 47488 48760 49000 51520 51842 51940 52900 53000 56000 56074 56350 59248 59360 59731 60950 64400 64925 66125 67712 68264 72128 73600 74060 74200 78016 78400 80500 83104 84640 84800 85330 90160 92000 92575 92750 97520 98000 103040 103684 103880 105800 106000 112000 112148 112700 118496 118720 119462 121900 128800 129605 129850 132250 136528 140185 140875 144256 148120 148400 152375 156032 156800 161000 166208 169280 169600 170660 180320 184000 185150 185500 195040 196000 196259 207368 207760 211600 212000 213325 224296 225400 236992 237440 238924 243800 257600 259210 259700 264500 273056 280370 281750 296240 296800 298655 304750 322000 324625 332416 338560 341320 360640 368000 370300 371000 390080 392000 392518 414736 415520 423200 424000 426650 448592 450800 462875 473984 477848 487600 515200 518420 519400 529000 546112 560740 563500 592480 593600 597310 609500 644000 648025 649250 682640 700925 721280 740600 742000 780160 784000 785036 829472 831040 846400 848000 853300 897184 901600 925750 955696 975200 981295 1036840 1038800 1058000 1066625 1092224 1121480 1127000 1184960 1187200 1194620 1219000 1288000 1296050 1298500 1365280 1373813 1401850 1481200 1484000 1493275 1570072 1658944 1662080 1692800 1706600 1794368 1803200 1851500 1911392 1950400 1962590 2073680 2077600 2116000 2133250 2242960 2254000 2369920 2389240 2438000 2576000 2592100 2597000 2730560 2747626 2803700 2962400 2968000 2986550 3140144 3240125 3317888 3413200 3504625 3588736 3606400 3703000 3822784 3900800 3925180 4147360 4155200 4232000 4266500 4485920 4508000 4778480 4876000 4906475 5184200 5194000 5461120 5495252 5607400 5924800 5936000 5973100 6280288 6480250 6826400 6869065 7009250 7406000 7466375 7645568 7850360 8294720 8310400 8464000 8533000 8971840 9016000 9556960 9752000 9812950 10368400 10388000 10990504 11214800 11849600 11946200 12560576 12960500 13652800 13738130 14018500 14812000 14932750 15700720 16589440 17066000 17943680 18032000 19113920 19504000 19625900 20736800 20776000 21981008 22429600 23892400 24532375 25121152 25921000 27305600 27476260 28037000 29624000 29865500 31401440 34132000 34345325 38227840 39251800 41473600 41552000 43962016 44859200 47784800 49064750 51842000 54952520 56074000 59248000 59731000 62802880 68264000 68690650 78503600 82947200 87924032 89718400 95569600 98129500 103684000 109905040 112148000 119462000 125605760 136528000 137381300 157007200 171726625 175848064 191139200 196259000 207368000 219810080 224296000 238924000 274762600 314014400 343453250 392518000 414736000 439620160 448592000 477848000 549525200 628028800 686906500 785036000 879240320 955696000 1099050400 1373813000 1570072000 2198100800 2747626000 3140144000 4396201600 5495252000 10990504000 21981008000
- Sum of all divisors σ(n): 67710890520
- Sum of proper divisors (its aliquot sum) s(n): 45729882520
- 21981008000 is an abundant number, because the sum of its proper divisors (45729882520) is greater than itself. Its abundance is 23748874520
Bases of 21981008000
- Binary: 101000111100010101110010000100000002
- Hexadecimal: 0x51E2B9080
- Base-36: A3IXABK
Squares and roots of 21981008000
- 21981008000 squared (219810080002) is 483164712696064000000
- 21981008000 cubed (219810080003) is 10620447415089884352512000000000
-
The
square root of 21981008000 is 148259.9338998909 -
The
cube root of 21981008000 is 2801.2327904777
Scales and comparisons
How big is 21981008000?- 21,981,008,000 seconds is equal to 698 years, 48 weeks, 1 day, 19 hours, 33 minutes, 20 seconds.
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To count from 1 to 21,981,008,000 would take you about one thousand, three hundred ninety-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 21981008000 cubic inches would be around 233.4 feet tall.
Recreational maths with 21981008000
- 21981008000 backwards is 00080018912
- The number of decimal digits it has is: 11
- The sum of 21981008000's digits is 29
- More coming soon!
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