21830640440

Names of 21830640440

• Cardinal: 21830640440 can be written as Twenty-one billion, eight hundred thirty million, six hundred forty thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.183064044 × 10¹⁰

Factors of 21830640440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 199457

Divisors of 21830640440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 23 28 34 35 40 46 56 68 70 85 92 115 119 136 140 161 170 184 230 238 280 322 340 391 460 476 595 644 680 782 805 920 952 1190 1288 1564 1610 1955 2380 2737 3128 3220 3910 4760 5474 6440 7820 10948 13685 15640 21896 27370 54740 109480 199403 398806 797612 997015 1395821 1595224 1994030 2791642 3389851 3988060 4586269 5583284 6779702 6979105 7976120 9172538 11166568 13559404 13958210 16949255 18345076 22931345 23728957 27118808 27916420 32103883 33898510 36690152 45862690 47457914 55832840 64207766 67797020 77966573 91725380 94915828 118644785 128415532 135594040 155933146 160519415 183450760 189831656 237289570 256831064 311866292 321038830 389832865 474579140 545766011 623732584 642077660 779665730 949158280 1091532022 1284155320 1559331460 2183064044 2728830055 3118662920 4366128088 5457660110 10915320220 21830640440
• Sum of all divisors σ(n): 62022620160
• Sum of proper divisors (its aliquot sum) s(n): 40191979720
• 21830640440 is an abundant number, because the sum of its proper divisors (40191979720) is greater than itself. Its abundance is 18361339280

Bases of 21830640440

• Binary: 10100010101001101010010001100111000₂
• Hexadecimal: 0x515352338
• Base-36: A11EDYW

Squares and roots of 21830640440

• 21830640440 squared (21830640440²) is 476576862020563393600
• 21830640440 cubed (21830640440³) is 10403978116794411331907797184000
• The square root of 21830640440 is 147751.9557907779
• The cube root of 21830640440 is 2794.8306168773

Scales and comparisons

• 21,830,640,440 seconds is equal to 694 years, 7 weeks, 4 days, 10 hours, 47 minutes, 20 seconds.
• To count from 1 to 21,830,640,440 would take you about one thousand, three hundred eighty-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 21830640440 cubic inches would be around 232.9 feet tall.

Recreational maths with 21830640440

• 21830640440 backwards is 04404603812
• The number of decimal digits it has is: 11
• The sum of 21830640440's digits is 32
• More coming soon!