21328035840

Names of 21328035840

• Cardinal: 21328035840 can be written as Twenty-one billion, three hundred twenty-eight million, thirty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.132803584 × 10¹⁰

Factors of 21328035840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 123

Divisors of 21328035840

• Number of divisors d(n): 276
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 113 120 128 144 160 180 192 226 240 256 288 320 339 360 384 452 480 512 565 576 640 678 720 768 904 960 1017 1024 1130 1152 1280 1356 1440 1536 1695 1808 1920 2034 2048 2260 2304 2560 2712 2880 3072 3390 3616 3840 4068 4096 4520 4608 5085 5120 5424 5760 6144 6780 7232 7680 8136 8192 9040 9216 10170 10240 10848 11520 12288 13560 14464 15360 16272 16384 18080 18432 20340 20480 21696 23040 24576 27120 28928 30720 32544 32768 36160 36864 40680 40960 43392 46080 49152 54240 57856 61440 65088 65536 72320 73728 81360 81920 86784 92160 98304 108480 115712 122880 130176 131072 144640 147456 162720 163840 173568 184320 196608 216960 231424 245760 260352 262144 289280 294912 325440 327680 347136 368640 393216 433920 462848 491520 520704 524288 578560 589824 650880 655360 694272 737280 786432 867840 925696 983040 1041408 1048576 1157120 1179648 1301760 1310720 1388544 1474560 1572864 1735680 1851392 1966080 2082816 2097152 2314240 2359296 2603520 2621440 2777088 2949120 3145728 3471360 3702784 3932160 4165632 4194304 4628480 4718592 5207040 5242880 5554176 5898240 6291456 6942720 7405568 7864320 8331264 9256960 9437184 10414080 10485760 11108352 11796480 12582912 13885440 14811136 15728640 16662528 18513920 18874368 20828160 20971520 22216704 23592960 27770880 29622272 31457280 33325056 37027840 37748736 41656320 44433408 47185920 55541760 59244544 62914560 66650112 74055680 83312640 88866816 94371840 111083520 118489088 133300224 148111360 166625280 177733632 188743680 222167040 236978176 266600448 296222720 333250560 355467264 444334080 473956352 533200896 592445440 666501120 710934528 888668160 1066401792 1184890880 1333002240 1421869056 1777336320 2132803584 2369781760 2666004480 3554672640 4265607168 5332008960 7109345280 10664017920 21328035840
• Sum of all divisors σ(n): 74591493444
• Sum of proper divisors (its aliquot sum) s(n): 53263457604
• 21328035840 is an abundant number, because the sum of its proper divisors (53263457604) is greater than itself. Its abundance is 31935421764

Bases of 21328035840

• Binary: 10011110111010000000000000000000000₂
• Hexadecimal: 0x4F7400000
• Base-36: 9SQ5TS0

Squares and roots of 21328035840

• 21328035840 squared (21328035840²) is 454885112792324505600
• 21328035840 cubed (21328035840³) is 9701805988717139532347080704000
• The square root of 21328035840 is 146041.2128133699
• The cube root of 21328035840 is 2773.2155111023

Scales and comparisons

• 21,328,035,840 seconds is equal to 678 years, 8 weeks, 4 days, 6 hours, 24 minutes.
• To count from 1 to 21,328,035,840 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 21328035840 cubic inches would be around 231.1 feet tall.

Recreational maths with 21328035840

• 21328035840 backwards is 04853082312
• 21328035840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21328035840's digits is 36
• More coming soon!