21329674240

Names of 21329674240

• Cardinal: 21329674240 can be written as Twenty-one billion, three hundred twenty-nine million, six hundred seventy-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.132967424 × 10¹⁰

Factors of 21329674240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 578

Divisors of 21329674240

• Number of divisors d(n): 272
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 64 68 70 80 85 112 119 128 136 140 160 170 224 238 256 272 280 320 340 448 476 512 544 547 560 595 640 680 896 952 1024 1088 1094 1120 1190 1280 1360 1792 1904 2048 2176 2188 2240 2380 2560 2720 2735 3584 3808 3829 4096 4352 4376 4480 4760 5120 5440 5470 7168 7616 7658 8192 8704 8752 8960 9299 9520 10240 10880 10940 14336 15232 15316 16384 17408 17504 17920 18598 19040 19145 20480 21760 21880 28672 30464 30632 32768 34816 35008 35840 37196 38080 38290 40960 43520 43760 46495 57344 60928 61264 65093 65536 69632 70016 71680 74392 76160 76580 81920 87040 87520 92990 114688 121856 122528 130186 139264 140032 143360 148784 152320 153160 163840 174080 175040 185980 229376 243712 245056 260372 278528 280064 286720 297568 304640 306320 325465 327680 348160 350080 371960 458752 487424 490112 520744 557056 560128 573440 595136 609280 612640 650930 696320 700160 743920 974848 980224 1041488 1114112 1120256 1146880 1190272 1218560 1225280 1301860 1392640 1400320 1487840 1949696 1960448 2082976 2240512 2293760 2380544 2437120 2450560 2603720 2785280 2800640 2975680 3899392 3920896 4165952 4481024 4761088 4874240 4901120 5207440 5570560 5601280 5951360 7798784 7841792 8331904 8962048 9522176 9748480 9802240 10414880 11202560 11902720 15683584 16663808 17924096 19044352 19496960 19604480 20829760 22405120 23805440 31367168 33327616 35848192 38088704 38993920 39208960 41659520 44810240 47610880 62734336 66655232 76177408 78417920 83319040 89620480 95221760 125468672 133310464 152354816 156835840 166638080 179240960 190443520 250937344 266620928 304709632 313671680 333276160 380887040 533241856 609419264 627343360 666552320 761774080 1066483712 1254686720 1333104640 1523548160 2132967424 2666209280 3047096320 4265934848 5332418560 10664837120 21329674240
• Sum of all divisors σ(n): 62058448512
• Sum of proper divisors (its aliquot sum) s(n): 40728774272
• 21329674240 is an abundant number, because the sum of its proper divisors (40728774272) is greater than itself. Its abundance is 19399100032

Bases of 21329674240

• Binary: 10011110111010110010000000000000000₂
• Hexadecimal: 0x4F7590000
• Base-36: 9SR4XZ4

Squares and roots of 21329674240

• 21329674240 squared (21329674240²) is 454955003184519577600
• 21329674240 cubed (21329674240³) is 9704042011783965201110401024000
• The square root of 21329674240 is 146046.8220811395
• The cube root of 21329674240 is 2773.2865212349

Scales and comparisons

• 21,329,674,240 seconds is equal to 678 years, 11 weeks, 2 days, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 21,329,674,240 would take you about one thousand, three hundred fifty-six 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 21329674240 cubic inches would be around 231.1 feet tall.

Recreational maths with 21329674240

• 21329674240 backwards is 04247692312
• 21329674240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21329674240's digits is 40
• More coming soon!