21362724864

Names of 21362724864

• Cardinal: 21362724864 can be written as Twenty-one billion, three hundred sixty-two million, seven hundred twenty-four thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.1362724864 × 10¹⁰

Factors of 21362724864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 145

Divisors of 21362724864

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 127 128 144 156 162 169 192 208 216 234 243 254 256 288 312 324 338 351 381 384 416 432 468 486 507 508 512 576 624 648 676 702 762 768 832 864 936 972 1014 1016 1024 1053 1143 1152 1248 1296 1352 1404 1521 1524 1536 1651 1664 1728 1872 1944 2028 2032 2048 2106 2286 2304 2496 2592 2704 2808 3042 3048 3072 3159 3302 3328 3429 3456 3744 3888 4056 4064 4096 4212 4563 4572 4608 4953 4992 5184 5408 5616 6084 6096 6144 6318 6604 6656 6858 6912 7488 7776 8112 8128 8424 9126 9144 9216 9906 9984 10287 10368 10816 11232 12168 12192 12288 12636 13208 13312 13689 13716 13824 14859 14976 15552 16224 16256 16848 18252 18288 18432 19812 19968 20574 20736 21463 21632 22464 24336 24384 25272 26416 26624 27378 27432 27648 29718 29952 30861 31104 32448 32512 33696 36504 36576 36864 39624 39936 41067 41148 41472 42926 43264 44577 44928 48672 48768 50544 52832 53248 54756 54864 55296 59436 59904 61722 62208 64389 64896 65024 67392 73008 73152 79248 79872 82134 82296 82944 85852 86528 89154 89856 97344 97536 101088 105664 109512 109728 110592 118872 119808 123444 124416 128778 129792 130048 133731 134784 146016 146304 158496 159744 164268 164592 165888 171704 173056 178308 179712 193167 194688 195072 202176 211328 219024 219456 237744 239616 246888 248832 257556 259584 260096 267462 269568 292032 292608 316992 328536 329184 331776 343408 346112 356616 359424 386334 389376 390144 401193 404352 422656 438048 438912 475488 479232 493776 497664 515112 519168 520192 534924 539136 579501 584064 585216 633984 657072 658368 686816 692224 713232 718848 772668 778752 780288 802386 808704 845312 876096 877824 950976 987552 995328 1030224 1038336 1069848 1078272 1159002 1168128 1170432 1267968 1314144 1316736 1373632 1426464 1437696 1545336 1557504 1560576 1604772 1617408 1690624 1738503 1752192 1755648 1901952 1975104 2060448 2076672 2139696 2156544 2318004 2336256 2340864 2535936 2628288 2633472 2747264 2852928 3090672 3115008 3209544 3234816 3381248 3477006 3504384 3511296 3803904 3950208 4120896 4279392 4313088 4636008 4672512 4681728 5071872 5215509 5256576 5266944 5494528 5705856 6181344 6230016 6419088 6469632 6762496 6954012 7008768 7022592 7607808 7900416 8241792 8558784 9272016 9345024 10143744 10431018 10513152 10533888 10989056 11411712 12362688 12838176 12939264 13908024 14017536 14045184 15215616 15800832 16483584 17117568 18544032 18690048 20287488 20862036 21026304 21067776 21978112 22823424 24725376 25676352 27816048 28035072 30431232 31601664 32967168 34235136 37088064 41724072 42052608 42135552 43956224 45646848 49450752 51352704 55632096 56070144 60862464 63203328 65934336 68470272 74176128 83448144 84105216 87912448 91293696 98901504 102705408 111264192 126406656 131868672 136940544 148352256 166896288 168210432 182587392 197803008 205410816 222528384 263737344 273881088 296704512 333792576 395606016 410821632 445056768 547762176 593409024 667585152 791212032 821643264 890113536 1186818048 1335170304 1643286528 1780227072 2373636096 2670340608 3560454144 5340681216 7120908288 10681362432 21362724864
• Sum of all divisors σ(n): 69839218176
• Sum of proper divisors (its aliquot sum) s(n): 48476493312
• 21362724864 is an abundant number, because the sum of its proper divisors (48476493312) is greater than itself. Its abundance is 27113768448

Bases of 21362724864

• Binary: 10011111001010100010101000000000000₂
• Hexadecimal: 0x4F9515000
• Base-36: 9TATC00

Squares and roots of 21362724864

• 21362724864 squared (21362724864²) is 456366013614963818496
• 21362724864 cubed (21362724864³) is 9749221586136950087844882284544
• The square root of 21362724864 is 146159.9290640221
• The cube root of 21362724864 is 2774.7181972421

Scales and comparisons

• 21,362,724,864 seconds is equal to 679 years, 13 weeks, 6 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,362,724,864 would take you about one thousand, three hundred fifty-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 21362724864 cubic inches would be around 231.2 feet tall.

Recreational maths with 21362724864

• 21362724864 backwards is 46842726312
• The number of decimal digits it has is: 11
• The sum of 21362724864's digits is 45
• More coming soon!