21125705564160

Names of 21125705564160

• Cardinal: 21125705564160 can be written as Twenty-one trillion, one hundred twenty-five billion, seven hundred five million, five hundred sixty-four thousand, one hundred sixty.

Scientific notation

• Scientific notation: 2.112570556416 × 10¹³

Factors of 21125705564160

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 7163403

Divisors of 21125705564160

• Number of divisors d(n): 204
• 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 96 120 128 144 160 180 192 240 256 288 320 360 384 480 512 576 640 720 768 960 1024 1152 1280 1440 1536 1920 2048 2304 2560 2880 3072 3840 4096 4608 5120 5760 6144 7680 8192 9216 10240 11520 12288 15360 16384 18432 20480 23040 24576 30720 32768 36864 40960 46080 49152 61440 65536 73728 81920 92160 98304 122880 147456 163840 184320 196608 245760 294912 327680 368640 491520 589824 737280 983040 1474560 2949120 7163393 14326786 21490179 28653572 35816965 42980358 57307144 64470537 71633930 85960716 107450895 114614288 128941074 143267860 171921432 214901790 229228576 257882148 286535720 322352685 343842864 429803580 458457152 515764296 573071440 644705370 687685728 859607160 916914304 1031528592 1146142880 1289410740 1375371456 1719214320 1833828608 2063057184 2292285760 2578821480 2750742912 3438428640 3667657216 4126114368 4584571520 5157642960 5501485824 6876857280 7335314432 8252228736 9169143040 10315285920 11002971648 13753714560 14670628864 16504457472 18338286080 20630571840 22005943296 27507429120 29341257728 33008914944 36676572160 41261143680 44011886592 55014858240 58682515456 66017829888 73353144320 82522287360 88023773184 110029716480 117365030912 132035659776 146706288640 165044574720 176047546368 220059432960 234730061824 264071319552 293412577280 330089149440 352095092736 440118865920 469460123648 528142639104 586825154560 660178298880 704190185472 880237731840 1056285278208 1173650309120 1320356597760 1408380370944 1760475463680 2112570556416 2347300618240 2640713195520 3520950927360 4225141112832 5281426391040 7041901854720 10562852782080 21125705564160
• Sum of all divisors σ(n): 73235230767972
• Sum of proper divisors (its aliquot sum) s(n): 52109525203812
• 21125705564160 is an abundant number, because the sum of its proper divisors (52109525203812) is greater than itself. Its abundance is 30983819639652

Bases of 21125705564160

• Binary: 100110011011010110110001011010000000000000000₂
• Hexadecimal: 0x1336B62D0000
• Base-36: 7HL0JN5S0

Squares and roots of 21125705564160

• 21125705564160 squared (21125705564160²) is 446295435583580783876505600
• 21125705564160 cubed (21125705564160³) is 9428305966767263422676748768217399296000
• The square root of 21125705564160 is 4596270.8323335343
• The cube root of 21125705564160 is 27644.1818287043

Scales and comparisons

• 21,125,705,564,160 seconds is equal to 671,732 years, 4 weeks, 5 days, 1 hour, 36 minutes.
• To count from 1 to 21,125,705,564,160 would take you about one million, six hundred seventy-nine thousand, three hundred thirty 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 21125705564160 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21125705564160

• 21125705564160 backwards is 06146550752112
• 21125705564160 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21125705564160's digits is 45
• More coming soon!