21342904380

Names of 21342904380

• Cardinal: 21342904380 can be written as Twenty-one billion, three hundred forty-two million, nine hundred four thousand, three hundred eighty.

Scientific notation

• Scientific notation: 2.134290438 × 10¹⁰

Factors of 21342904380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1882

Divisors of 21342904380

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 29 30 35 36 42 45 54 58 60 63 70 84 87 90 105 108 113 116 126 135 140 145 174 180 189 203 210 226 252 261 270 290 315 339 348 378 406 420 435 452 522 540 565 580 609 630 678 756 783 791 812 870 945 1015 1017 1044 1130 1218 1260 1305 1356 1566 1582 1695 1723 1740 1827 1890 2030 2034 2260 2373 2436 2610 3045 3051 3132 3164 3277 3390 3446 3654 3780 3915 3955 4060 4068 4746 5085 5169 5220 5481 6090 6102 6554 6780 6892 7119 7308 7830 7910 8615 9135 9492 9831 10170 10338 10962 11865 12061 12180 12204 13108 14238 15255 15507 15660 15820 16385 17230 18270 19662 20340 20676 21357 21924 22939 23730 24122 25845 27405 28476 29493 30510 31014 32770 34460 35595 36183 36540 39324 42714 45878 46521 47460 48244 49155 49967 51690 54810 58986 60305 61020 62028 65540 68817 71190 72366 77535 85428 88479 91756 93042 98310 99934 103380 106785 108549 109620 114695 117972 120610 137634 142380 144732 147465 149901 155070 176958 180915 186084 194699 196620 199868 206451 213570 217098 229390 232605 241220 249835 275268 294930 299802 310140 325647 344085 349769 353916 361830 389398 412902 427140 434196 442395 449703 458780 465210 499670 542745 584097 589860 599604 619353 651294 688170 699538 723660 749505 778796 825804 884790 899406 930420 973495 999340 1032255 1049307 1085490 1168194 1238706 1302588 1349109 1362893 1376340 1399076 1499010 1628235 1748845 1752291 1769580 1798812 1946990 2064510 2098614 2170980 2248515 2336388 2477412 2698218 2725786 2920485 2998020 3096765 3147921 3256470 3497690 3504582 3893980 4088679 4129020 4197228 4497030 5246535 5256873 5396436 5451572 5646271 5840970 6193530 6295842 6512940 6745545 6814465 6995380 7009164 8177358 8761455 8994060 9443763 10493070 10513746 11292542 11681940 12266037 12387060 12591684 13491090 13628930 15739605 16354716 16938813 17522910 18887526 20443395 20986140 21027492 22585084 24532074 26284365 26982180 27257860 28231355 31479210 33877626 35045820 36798111 37775052 39523897 40886790 47218815 49064148 50816439 52568730 56462710 61330185 62958420 67755252 73596222 79047794 81773580 84694065 94437630 101632878 105137460 112925420 118571691 122660370 147192444 152449317 158095588 169388130 183990555 188875260 197619485 203265756 237143382 245320740 254082195 304898634 338776260 355715073 367981110 395238970 474286764 508164390 592858455 609797268 711430146 735962220 762246585 790477940 1016328780 1067145219 1185716910 1422860292 1524493170 1778575365 2134290438 2371433820 3048986340 3557150730 4268580876 5335726095 7114301460 10671452190 21342904380
• Sum of all divisors σ(n): 79243315200
• Sum of proper divisors (its aliquot sum) s(n): 57900410820
• 21342904380 is an abundant number, because the sum of its proper divisors (57900410820) is greater than itself. Its abundance is 36557506440

Bases of 21342904380

• Binary: 10011111000001000101110000000111100₂
• Hexadecimal: 0x4F822E03C
• Base-36: 9SZ0IF0

Squares and roots of 21342904380

• 21342904380 squared (21342904380²) is 455519567373823184400
• 21342904380 cubed (21342904380³) is 9722110569678475939676307672000
• The square root of 21342904380 is 146092.1092324975
• The cube root of 21342904380 is 2773.8597974609

Scales and comparisons

• 21,342,904,380 seconds is equal to 678 years, 33 weeks, 1 day, 8 hours, 33 minutes.
• To count from 1 to 21,342,904,380 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 21342904380 cubic inches would be around 231.2 feet tall.

Recreational maths with 21342904380

• 21342904380 backwards is 08340924312
• 21342904380 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21342904380's digits is 36
• More coming soon!