21211473920

Names of 21211473920

• Cardinal: 21211473920 can be written as Twenty-one billion, two hundred eleven million, four hundred seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.121147392 × 10¹⁰

Factors of 21211473920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 147

Divisors of 21211473920

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 17 20 26 28 32 34 35 40 52 56 64 65 68 70 80 85 91 103 104 112 119 128 130 136 140 160 169 170 182 206 208 221 224 238 256 260 272 280 320 338 340 364 412 416 442 448 455 476 512 515 520 544 560 595 640 676 680 721 728 824 832 845 884 896 910 952 1024 1030 1040 1088 1105 1120 1183 1190 1280 1339 1352 1360 1442 1456 1547 1648 1664 1690 1751 1768 1792 1820 1904 2048 2060 2080 2176 2210 2240 2366 2380 2560 2678 2704 2720 2873 2884 2912 3094 3296 3328 3380 3502 3536 3584 3605 3640 3808 4120 4160 4352 4420 4480 4732 4760 5120 5356 5408 5440 5746 5768 5824 5915 6188 6592 6656 6695 6760 7004 7072 7168 7210 7280 7616 7735 8240 8320 8704 8755 8840 8960 9373 9464 9520 10240 10712 10816 10880 11492 11536 11648 11830 12257 12376 13184 13312 13390 13520 14008 14144 14336 14365 14420 14560 15232 15470 16480 16640 17407 17408 17510 17680 17920 18746 18928 19040 20111 21424 21632 21760 22763 22984 23072 23296 23660 24514 24752 26368 26624 26780 27040 28016 28288 28730 28840 29120 30464 30940 32960 33280 34814 34816 35020 35360 35840 37492 37856 38080 40222 42848 43264 43520 45526 45968 46144 46592 46865 47320 49028 49504 52736 53560 54080 56032 56576 57460 57680 58240 60928 61285 61880 65920 66560 69628 70040 70720 71680 74984 75712 76160 80444 85696 86528 87035 87040 91052 91936 92288 93184 93730 94640 98056 99008 100555 105472 107120 108160 112064 113152 113815 114920 115360 116480 121849 121856 122570 123760 131840 133120 139256 140080 141440 149968 151424 152320 159341 160888 171392 173056 174070 174080 182104 183872 184576 186368 187460 189280 196112 198016 201110 210944 214240 216320 224128 226304 227630 229840 230720 232960 243698 243712 245140 247520 263680 278512 280160 282880 295919 299936 302848 304640 318682 321776 342784 346112 348140 364208 367744 369152 374920 378560 392224 396032 402220 428480 432640 448256 452608 455260 459680 461440 465920 487396 490280 495040 527360 557024 560320 565760 591838 599872 605696 609245 609280 637364 643552 685568 696280 728416 735488 738304 749840 757120 784448 792064 796705 804440 856960 865280 896512 910520 919360 922880 931840 974792 980560 990080 1054720 1114048 1120640 1131520 1183676 1199744 1211392 1218490 1218560 1274728 1287104 1371136 1392560 1456832 1470976 1476608 1479595 1499680 1514240 1568896 1584128 1593410 1608880 1713920 1730560 1793024 1821040 1838720 1845760 1949584 1961120 1980160 2071433 2228096 2241280 2263040 2367352 2399488 2422784 2436980 2549456 2574208 2742272 2785120 2913664 2941952 2959190 2999360 3028480 3137792 3168256 3186820 3217760 3427840 3586048 3642080 3677440 3691520 3899168 3922240 3960320 4142866 4456192 4482560 4734704 4798976 4873960 5098912 5148416 5570240 5827328 5883904 5918380 5998720 6056960 6275584 6373640 6435520 6855680 7284160 7354880 7383040 7798336 7844480 7920640 8285732 8912384 8965120 9469408 9597952 9747920 10197824 10296832 10357165 11140480 11654656 11836760 11997440 12113920 12551168 12747280 12871040 13711360 14568320 14709760 15596672 15688960 15841280 16571464 17824768 17930240 18938816 19195904 19495840 20395648 20593664 20714330 22280960 23309312 23673520 23994880 25102336 25494560 25742080 29136640 29419520 31193344 31377920 33142928 35649536 37877632 38991680 40791296 41187328 41428660 44561920 46618624 47347040 47989760 50989120 51484160 58273280 62386688 62755840 66285856 75755264 77983360 81582592 82857320 89123840 94694080 95979520 101978240 102968320 116546560 124773376 125511680 132571712 151510528 155966720 163165184 165714640 178247680 189388160 203956480 205936640 233093120 249546752 265143424 303021056 311933440 326330368 331429280 378776320 407912960 530286848 606042112 623866880 662858560 757552640 815825920 1060573696 1247733760 1325717120 1515105280 1631651840 2121147392 2651434240 3030210560 4242294784 5302868480 10605736960 21211473920
• Sum of all divisors σ(n): 67336738560
• Sum of proper divisors (its aliquot sum) s(n): 46125264640
• 21211473920 is an abundant number, because the sum of its proper divisors (46125264640) is greater than itself. Its abundance is 24913790720

Bases of 21211473920

• Binary: 10011110000010011010110100000000000₂
• Hexadecimal: 0x4F04D6800
• Base-36: 9QSRI0W

Squares and roots of 21211473920

• 21211473920 squared (21211473920²) is 449926625858840166400
• 21211473920 cubed (21211473920³) is 9543606890318385791042060288000
• The square root of 21211473920 is 145641.5940588403
• The cube root of 21211473920 is 2768.1542230887

Scales and comparisons

• 21,211,473,920 seconds is equal to 674 years, 23 weeks, 6 days, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,211,473,920 would take you about one thousand, three hundred forty-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 21211473920 cubic inches would be around 230.7 feet tall.

Recreational maths with 21211473920

• 21211473920 backwards is 02937411212
• 21211473920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21211473920's digits is 32
• More coming soon!