21394419520

Names of 21394419520

• Cardinal: 21394419520 can be written as Twenty-one billion, three hundred ninety-four million, four hundred nineteen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.139441952 × 10¹⁰

Factors of 21394419520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 201

Divisors of 21394419520

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 43 59 64 73 76 80 86 95 118 146 152 160 172 190 215 236 292 295 304 320 344 361 365 380 430 472 584 590 608 688 722 730 760 817 860 944 1121 1168 1180 1216 1376 1387 1444 1460 1520 1634 1720 1805 1888 2242 2336 2360 2537 2752 2774 2888 2920 3040 3139 3268 3440 3610 3776 4085 4307 4484 4672 4720 5074 5548 5605 5776 5840 6080 6278 6536 6880 6935 7220 8170 8614 8968 9440 10148 11096 11210 11552 11680 12556 12685 13072 13760 13870 14440 15523 15695 16340 17228 17936 18880 20296 21299 21535 22192 22420 23104 23360 25112 25370 26144 26353 27740 28880 31046 31390 32680 34456 35872 40592 42598 43070 44384 44840 48203 50224 50740 52288 52706 55480 57760 59641 62092 62780 65360 68912 71744 77615 81184 81833 85196 86140 88768 89680 96406 100448 101480 105412 106495 110960 115520 119282 124184 125560 130720 131765 137824 155230 162368 163666 170392 172280 179360 185201 192812 200896 202960 210824 212990 221920 238564 241015 248368 251120 261440 263530 275648 298205 310460 327332 340784 344560 358720 370402 385624 405920 409165 421648 425980 443840 477128 482030 496736 502240 527060 596410 620920 654664 681568 689120 740804 771248 811840 818330 843296 851960 915857 926005 954256 964060 993472 1004480 1054120 1133179 1192820 1241840 1309328 1363136 1378240 1481608 1542496 1554827 1636660 1686592 1703920 1831714 1852010 1908512 1928120 2108240 2266358 2385640 2483680 2618656 2963216 3084992 3109654 3273320 3407840 3518819 3663428 3704020 3817024 3856240 4216480 4532716 4579285 4771280 4967360 5237312 5665895 5926432 6219308 6546640 6815680 7037638 7326856 7408040 7712480 7774135 8432960 9065432 9158570 9542560 11331790 11852864 12438616 13093280 14075276 14653712 14816080 15424960 15548270 17594095 18130864 18317140 19085120 22663580 24877232 26186560 28150552 29307424 29632160 31096540 35188190 36261728 36634280 45327160 49754464 56301104 58614848 59264320 62193080 66857561 70376380 72523456 73268560 90654320 99508928 112602208 124386160 133715122 140752760 146537120 181308640 225204416 248772320 267430244 281505520 293074240 334287805 362617280 497544640 534860488 563011040 668575610 1069720976 1126022080 1337151220 2139441952 2674302440 4278883904 5348604880 10697209760 21394419520
• Sum of all divisors σ(n): 56717305920
• Sum of proper divisors (its aliquot sum) s(n): 35322886400
• 21394419520 is an abundant number, because the sum of its proper divisors (35322886400) is greater than itself. Its abundance is 13928466880

Bases of 21394419520

• Binary: 10011111011001101001110111101000000₂
• Hexadecimal: 0x4FB34EF40
• Base-36: 9TTONR4

Squares and roots of 21394419520

• 21394419520 squared (21394419520²) is 457721186597757030400
• 21394419520 cubed (21394419520³) is 9792679089264615399406993408000
• The square root of 21394419520 is 146268.3134516837
• The cube root of 21394419520 is 2776.0897495255

Scales and comparisons

• 21,394,419,520 seconds is equal to 680 years, 14 weeks, 2 days, 14 hours, 18 minutes, 40 seconds.
• To count from 1 to 21,394,419,520 would take you about one thousand, three hundred sixty 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 21394419520 cubic inches would be around 231.3 feet tall.

Recreational maths with 21394419520

• 21394419520 backwards is 02591449312
• 21394419520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21394419520's digits is 40
• More coming soon!