21001696170

Names of 21001696170

• Cardinal: 21001696170 can be written as Twenty-one billion, one million, six hundred ninety-six thousand, one hundred seventy.

Scientific notation

• Scientific notation: 2.100169617 × 10¹⁰

Factors of 21001696170

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 470

Divisors of 21001696170

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 19 21 26 30 31 35 37 38 39 42 57 62 65 70 74 78 91 93 95 105 111 114 130 133 155 182 185 186 190 195 210 217 222 247 259 266 273 285 310 353 370 390 399 403 434 455 465 481 494 518 546 555 570 589 651 665 703 706 741 777 798 806 910 930 962 1059 1085 1110 1147 1178 1209 1235 1295 1302 1330 1365 1406 1443 1482 1554 1729 1765 1767 1995 2015 2109 2118 2170 2294 2405 2418 2470 2471 2590 2730 2821 2886 2945 3255 3367 3441 3458 3515 3530 3534 3705 3885 3990 4030 4123 4218 4589 4810 4921 4942 5187 5295 5642 5735 5890 6045 6510 6707 6734 6882 7030 7215 7410 7413 7657 7770 8029 8246 8463 8645 8835 9139 9178 9842 10101 10374 10545 10590 10943 11470 12090 12355 12369 13061 13414 13767 14105 14430 14763 14826 14911 15314 16058 16835 16926 17205 17290 17670 18278 20121 20202 20615 21090 21793 21886 22945 22971 24087 24605 24710 24738 25935 26122 27417 27534 28210 29526 29822 32123 32829 33535 33670 34410 37065 38285 39183 40145 40242 41230 42315 43586 44733 45695 45890 45942 46949 48174 49210 50505 51870 53599 54715 54834 61845 63973 64246 65305 65379 65658 67070 68835 73815 74130 74555 76570 76601 78366 80290 84630 87191 89466 91390 91427 93898 96369 100605 101010 104377 107198 108965 109430 114855 120435 123690 127946 130610 130758 137085 137670 140847 142259 147630 149110 152551 153202 160615 160797 164145 169793 174382 182854 191919 192738 195915 201210 207917 208754 217930 223665 229710 229803 234745 240870 248159 261573 267995 274170 274281 281694 283309 284518 305102 313131 319865 321230 321594 326895 328290 339586 383005 383838 391830 404891 415834 426777 435955 447330 457135 457653 459606 469490 481845 496318 509379 521885 523146 535990 548562 566618 610337 623751 626262 639730 653790 704235 711295 744477 762755 766010 803985 809782 848965 849927 853554 871910 914270 915306 959595 963690 995813 1018758 1039585 1043770 1149015 1188551 1214673 1220674 1240795 1247502 1307865 1371405 1408470 1416545 1422590 1455419 1488954 1525510 1565655 1607970 1697930 1699854 1737113 1831011 1919190 1983163 1991626 2024455 2079170 2133885 2288265 2298030 2377102 2429346 2481590 2546895 2615730 2702921 2742810 2833090 2834237 2910838 2987439 3051685 3118755 3131310 3226067 3474226 3565653 3662022 3722385 3966326 4048910 4249635 4267770 4366257 4576530 4979065 5093790 5211339 5263583 5405842 5668474 5942755 5949489 5974878 6073365 6103370 6237510 6452134 7131306 7277095 7444770 7692929 8108763 8499270 8502711 8685565 8732514 9155055 9678201 9915815 9958130 10422678 10527166 11885510 11898978 12146730 13514605 14171185 14554190 14937195 15385858 15790749 16130335 16217526 17005422 17371130 17828265 18310110 18920447 19356402 19831630 21831285 22582469 23078787 26056695 26317915 27029210 28342370 29747445 29874390 31581498 32260670 35656530 36845081 37840894 38464645 40543815 42513555 43662570 45164938 46157574 48391005 52113390 52635830 53850503 56761341 59494890 67747407 73690162 76929290 78953745 81087630 85027110 94602235 96782010 100008077 107701006 110535243 112912345 113522682 115393935 135494814 157907490 161551509 184225405 189204470 200016154 221070486 225824690 230787870 269252515 283806705 300024231 323103018 338737035 368450810 500040385 538505030 552676215 567613410 600048462 677474070 700056539 807757545 1000080770 1105352430 1400113078 1500121155 1615515090 2100169617 3000242310 3500282695 4200339234 7000565390 10500848085 21001696170
• Sum of all divisors σ(n): 69425233920
• Sum of proper divisors (its aliquot sum) s(n): 48423537750
• 21001696170 is an abundant number, because the sum of its proper divisors (48423537750) is greater than itself. Its abundance is 27421841580

Bases of 21001696170

• Binary: 10011100011110011000111001110101010₂
• Hexadecimal: 0x4E3CC73AA
• Base-36: 9NBV8H6

Squares and roots of 21001696170

• 21001696170 squared (21001696170²) is 441071242016992668900
• 21001696170 cubed (21001696170³) is 9263244214165418009355208113000
• The square root of 21001696170 is 144919.6196862247
• The cube root of 21001696170 is 2758.9984538167

Scales and comparisons

• 21,001,696,170 seconds is equal to 667 years, 41 weeks, 4 hours, 29 minutes, 30 seconds.
• To count from 1 to 21,001,696,170 would take you about one thousand, three hundred thirty-five 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 21001696170 cubic inches would be around 229.9 feet tall.

Recreational maths with 21001696170

• 21001696170 backwards is 07169610012
• The number of decimal digits it has is: 11
• The sum of 21001696170's digits is 33
• More coming soon!