21340139520

Names of 21340139520

• Cardinal: 21340139520 can be written as Twenty-one billion, three hundred forty million, one hundred thirty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.134013952 × 10¹⁰

Factors of 21340139520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 105

Divisors of 21340139520

• Number of divisors d(n): 624
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 32 35 40 42 48 56 58 59 60 64 70 80 84 87 96 105 112 116 118 120 128 140 145 160 168 174 177 192 203 210 224 232 236 240 256 280 290 295 320 336 348 354 384 406 413 420 435 448 464 472 480 512 560 580 590 609 640 672 696 708 768 812 826 840 841 870 885 896 928 944 960 1015 1024 1120 1160 1180 1218 1239 1280 1344 1392 1416 1536 1624 1652 1680 1682 1711 1740 1770 1792 1856 1888 1920 2030 2048 2065 2240 2320 2360 2436 2478 2523 2560 2688 2784 2832 3045 3072 3248 3304 3360 3364 3422 3480 3540 3584 3712 3776 3840 4060 4096 4130 4205 4480 4640 4720 4872 4956 5046 5120 5133 5376 5568 5664 5887 6090 6144 6195 6496 6608 6720 6728 6844 6960 7080 7168 7424 7552 7680 8120 8260 8410 8555 8960 9280 9440 9744 9912 10092 10240 10266 10752 11136 11328 11774 11977 12180 12288 12390 12615 12992 13216 13440 13456 13688 13920 14160 14336 14848 15104 15360 16240 16520 16820 17110 17661 17920 18560 18880 19488 19824 20184 20480 20532 21504 22272 22656 23548 23954 24360 24780 25230 25665 25984 26432 26880 26912 27376 27840 28320 28672 29435 29696 30208 30720 32480 33040 33640 34220 35322 35840 35931 37120 37760 38976 39648 40368 41064 43008 44544 45312 47096 47908 48720 49560 49619 50460 51330 51968 52864 53760 53824 54752 55680 56640 58870 59392 59885 60416 61440 64960 66080 67280 68440 70644 71680 71862 74240 75520 77952 79296 80736 82128 86016 88305 89088 90624 94192 95816 97440 99120 99238 100920 102660 103936 105728 107520 107648 109504 111360 113280 117740 118784 119770 120832 129920 132160 134560 136880 141288 143360 143724 148480 148857 151040 155904 158592 161472 164256 176610 178176 179655 181248 188384 191632 194880 198240 198476 201840 205320 207872 211456 215040 215296 219008 222720 226560 235480 239540 241664 248095 259840 264320 269120 273760 282576 287448 296960 297714 302080 311808 317184 322944 328512 347333 353220 356352 359310 362496 376768 383264 389760 396480 396952 403680 410640 415744 422912 430080 430592 438016 445440 453120 470960 479080 496190 519680 528640 538240 547520 565152 574896 593920 595428 604160 623616 634368 645888 657024 694666 706440 718620 724992 744285 753536 766528 779520 792960 793904 807360 821280 831488 845824 861184 876032 890880 906240 941920 958160 992380 1039360 1041999 1057280 1076480 1095040 1130304 1149792 1190856 1208320 1247232 1268736 1291776 1314048 1389332 1412880 1437240 1488570 1507072 1533056 1559040 1585920 1587808 1614720 1642560 1691648 1722368 1736665 1752064 1781760 1812480 1883840 1916320 1984760 2078720 2083998 2114560 2152960 2190080 2260608 2299584 2381712 2494464 2537472 2583552 2628096 2778664 2825760 2874480 2977140 3014144 3066112 3118080 3171840 3175616 3229440 3285120 3444736 3473330 3504128 3624960 3767680 3832640 3969520 4157440 4167996 4229120 4305920 4380160 4521216 4599168 4763424 5074944 5167104 5209995 5256192 5557328 5651520 5748960 5954280 6028288 6132224 6236160 6343680 6351232 6458880 6570240 6946660 7008256 7535360 7665280 7939040 8335992 8458240 8611840 8760320 9042432 9198336 9526848 10334208 10419990 10512384 11114656 11303040 11497920 11908560 12056576 12264448 12472320 12687360 12702464 12917760 13140480 13893320 15070720 15330560 15878080 16671984 17223680 17520640 18084864 18396672 19053696 20839980 21024768 22229312 22606080 22995840 23817120 24113152 24528896 25374720 25404928 25835520 26280960 27786640 30141440 30661120 31756160 33343968 35041280 36169728 36793344 38107392 41679960 44458624 45212160 45991680 47634240 49057792 50809856 51671040 52561920 55573280 60282880 61322240 63512320 66687936 72339456 73586688 76214784 83359920 88917248 90424320 91983360 95268480 101619712 105123840 111146560 120565760 122644480 127024640 133375872 147173376 152429568 166719840 177834496 180848640 183966720 190536960 203239424 222293120 245288960 254049280 266751744 304859136 333439680 355668992 361697280 367933440 381073920 444586240 508098560 533503488 609718272 666879360 711337984 735866880 762147840 889172480 1016197120 1067006976 1333758720 1422675968 1524295680 1778344960 2134013952 2667517440 3048591360 3556689920 4268027904 5335034880 7113379840 10670069760 21340139520
• Sum of all divisors σ(n): 82187838720
• Sum of proper divisors (its aliquot sum) s(n): 60847699200
• 21340139520 is an abundant number, because the sum of its proper divisors (60847699200) is greater than itself. Its abundance is 39507559680

Bases of 21340139520

• Binary: 10011110111111110001011000000000000₂
• Hexadecimal: 0x4F7F8B000
• Base-36: 9SXD91C

Squares and roots of 21340139520

• 21340139520 squared (21340139520²) is 455401554733065830400
• 21340139520 cubed (21340139520³) is 9718332715628541178080657408000
• The square root of 21340139520 is 146082.6461972811
• The cube root of 21340139520 is 2773.7400126827

Scales and comparisons

• 21,340,139,520 seconds is equal to 678 years, 28 weeks, 4 days, 8 hours, 32 minutes.
• To count from 1 to 21,340,139,520 would take you about one thousand, three hundred fifty-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 21340139520 cubic inches would be around 231.1 feet tall.

Recreational maths with 21340139520

• 21340139520 backwards is 02593104312
• 21340139520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21340139520's digits is 30
• More coming soon!