21409733952

Names of 21409733952

• Cardinal: 21409733952 can be written as Twenty-one billion, four hundred nine million, seven hundred thirty-three thousand, nine hundred fifty-two.

Scientific notation

• Scientific notation: 2.1409733952 × 10¹⁰

Factors of 21409733952

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 456

Divisors of 21409733952

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 144 174 192 193 229 232 261 288 348 386 458 464 522 576 579 687 696 772 841 916 928 1044 1158 1374 1392 1544 1682 1737 1832 1856 2061 2088 2316 2523 2748 2784 3088 3364 3474 3664 4122 4176 4632 5046 5496 5568 5597 6176 6641 6728 6948 7328 7569 8244 8352 9264 10092 10992 11194 12352 13282 13456 13896 14656 15138 16488 16704 16791 18528 19923 20184 21984 22388 26564 26912 27792 30276 32976 33582 37056 39846 40368 43968 44197 44776 50373 53128 53824 55584 59769 60552 65952 67164 79692 80736 88394 89552 100746 106256 111168 119538 121104 131904 132591 134328 159384 161472 162313 176788 179104 192589 201492 212512 239076 242208 265182 268656 318768 324626 353576 358208 385178 397773 402984 425024 478152 484416 486939 530364 537312 577767 637536 649252 707152 770356 795546 805968 956304 973878 1060728 1074624 1155534 1275072 1281713 1298504 1414304 1460817 1540712 1591092 1611936 1733301 1912608 1947756 2121456 2311068 2563426 2597008 2828608 2921634 3081424 3182184 3223872 3466602 3825216 3845139 3895512 4242912 4622136 5126852 5194016 5843268 6162848 6364368 6933204 7690278 7791024 8485824 9244272 10253704 10388032 11535417 11686536 12325696 12728736 13866408 15380556 15582048 18488544 20507408 23070834 23373072 25457472 27732816 30761112 31164096 36977088 37169677 41014816 46141668 46746144 55465632 61522224 74339354 82029632 92283336 93492288 110931264 111509031 123044448 148678708 184566672 223018062 246088896 297357416 334527093 369133344 446036124 594714832 669054186 738266688 892072248 1189429664 1338108372 1784144496 2378859328 2676216744 3568288992 5352433488 7136577984 10704866976 21409733952
• Sum of all divisors σ(n): 64164497020
• Sum of proper divisors (its aliquot sum) s(n): 42754763068
• 21409733952 is an abundant number, because the sum of its proper divisors (42754763068) is greater than itself. Its abundance is 21345029116

Bases of 21409733952

• Binary: 10011111100000111101001110101000000₂
• Hexadecimal: 0x4FC1E9D40
• Base-36: 9U2SWG0

Squares and roots of 21409733952

• 21409733952 squared (21409733952²) is 458376707895421538304
• 21409733952 cubed (21409733952³) is 9813723365834592973979217297408
• The square root of 21409733952 is 146320.6545638723
• The cube root of 21409733952 is 2776.7519798107

Scales and comparisons

• 21,409,733,952 seconds is equal to 680 years, 39 weeks, 4 days, 20 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,409,733,952 would take you about one thousand, three hundred sixty-one 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 21409733952 cubic inches would be around 231.4 feet tall.

Recreational maths with 21409733952

• 21409733952 backwards is 25933790412
• The number of decimal digits it has is: 11
• The sum of 21409733952's digits is 45
• More coming soon!