21041326768

Names of 21041326768

• Cardinal: 21041326768 can be written as Twenty-one billion, forty-one million, three hundred twenty-six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1041326768 × 10¹⁰

Factors of 21041326768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 167

Divisors of 21041326768

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 22 28 29 34 44 49 56 58 68 77 88 98 101 112 116 119 136 154 176 187 196 202 203 232 238 272 308 319 343 374 392 404 406 464 476 493 539 616 638 686 707 748 784 808 812 833 952 986 1078 1111 1232 1276 1309 1372 1414 1421 1496 1616 1624 1666 1717 1904 1972 2156 2222 2233 2401 2552 2618 2744 2828 2842 2929 2992 3248 3332 3434 3451 3773 3944 4312 4444 4466 4802 4949 5104 5236 5423 5488 5656 5684 5831 5858 6664 6868 6902 7546 7777 7888 8624 8888 8932 9163 9604 9898 9947 10472 10846 11312 11368 11662 11716 12019 13328 13736 13804 15092 15554 15631 17776 17864 18326 18887 19208 19796 19894 20503 20944 21692 22736 23324 23432 24038 24157 26411 27472 27608 30184 31108 31262 32219 34643 35728 36652 37774 37961 38416 39592 39788 40817 41006 43384 46648 46864 48076 48314 49793 52822 54439 55216 60368 62216 62524 64141 64438 69286 69629 73304 75548 75922 79184 79576 81634 82012 84133 86768 93296 96152 96628 99586 105644 108878 109417 124432 125048 128282 128876 132209 138572 139258 143521 146608 151096 151844 159152 163268 164024 168266 169099 192304 193256 199172 211288 217756 218834 225533 242501 250096 256564 257752 264418 265727 277144 278516 287042 302192 303688 326536 328048 336532 338198 348551 381073 386512 398344 422576 435512 437668 448987 451066 485002 513128 515504 528836 531454 547723 554288 557032 574084 588931 607376 653072 673064 676396 697102 762146 765919 796688 871024 875336 897974 902132 925463 970004 1004647 1026256 1057672 1062908 1095446 1114064 1148168 1177862 1183693 1346128 1352792 1394204 1524292 1531838 1578731 1750672 1795948 1804264 1850926 1860089 1940008 2009294 2115344 2125816 2190892 2296336 2355724 2367386 2439857 2667511 2705584 2788408 3048584 3063676 3157462 3591896 3608528 3701852 3720178 3834061 3880016 4018588 4122517 4251632 4381784 4711448 4734772 4879714 5335022 5576816 6097168 6127352 6314924 6478241 7032529 7183792 7403704 7440356 7668122 8037176 8245034 8763568 9422896 9469544 9759428 10670044 11051117 12254704 12629848 12956482 13020623 14065058 14807408 14880712 15336244 16074352 16490068 17078999 18939088 19518856 21340088 22102234 25259696 25912964 26041246 26838427 28130116 29761424 30672488 32980136 34157998 39037712 42680176 44204468 45347687 51825928 52082492 53676854 56260232 61344976 65960272 68315996 77357819 88408936 90695374 103651856 104164984 107353708 112520464 119552993 136631992 154715638 176817872 181390748 187868989 208329968 214707416 239105986 273263984 309431276 362781496 375737978 429414832 478211972 618862552 725562992 751475956 956423944 1237725104 1315082923 1502951912 1912847888 2630165846 3005903824 5260331692 10520663384 21041326768
• Sum of all divisors σ(n): 57391817760
• Sum of proper divisors (its aliquot sum) s(n): 36350490992
• 21041326768 is an abundant number, because the sum of its proper divisors (36350490992) is greater than itself. Its abundance is 15309164224

Bases of 21041326768

• Binary: 10011100110001010010010101010110000₂
• Hexadecimal: 0x4E6292AB0
• Base-36: 9NZGNN4

Squares and roots of 21041326768

• 21041326768 squared (21041326768²) is 442737432157753325824
• 21041326768 cubed (21041326768³) is 9315782982456519053401556856832
• The square root of 21041326768 is 145056.2882745867
• The cube root of 21041326768 is 2760.7327907911

Scales and comparisons

• 21,041,326,768 seconds is equal to 669 years, 2 weeks, 3 days, 20 hours, 59 minutes, 28 seconds.
• To count from 1 to 21,041,326,768 would take you about one thousand, three hundred thirty-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 21041326768 cubic inches would be around 230.1 feet tall.

Recreational maths with 21041326768

• 21041326768 backwards is 86762314012
• The number of decimal digits it has is: 11
• The sum of 21041326768's digits is 40
• More coming soon!