21461013504

Names of 21461013504

• Cardinal: 21461013504 can be written as Twenty-one billion, four hundred sixty-one million, thirteen thousand, five hundred four.

Scientific notation

• Scientific notation: 2.1461013504 × 10¹⁰

Factors of 21461013504

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 49

Divisors of 21461013504

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 37 42 48 54 56 63 64 72 74 81 84 96 108 111 112 126 128 144 148 162 168 189 192 216 222 224 243 252 256 259 288 296 324 333 336 378 384 432 444 448 486 504 512 518 567 576 592 648 666 672 729 756 768 777 864 888 896 972 999 1008 1024 1036 1134 1152 1184 1296 1332 1344 1369 1458 1512 1536 1554 1701 1728 1776 1792 1944 1998 2016 2072 2187 2268 2304 2331 2368 2592 2664 2688 2738 2916 2997 3024 3072 3108 3402 3456 3552 3584 3888 3996 4032 4107 4144 4374 4536 4608 4662 4736 5103 5184 5328 5376 5476 5832 5994 6048 6216 6804 6912 6993 7104 7168 7776 7992 8064 8214 8288 8748 8991 9072 9216 9324 9472 9583 10206 10368 10656 10752 10952 11664 11988 12096 12321 12432 13608 13824 13986 14208 15309 15552 15984 16128 16428 16576 17496 17982 18144 18648 18944 19166 20412 20736 20979 21312 21504 21904 23328 23976 24192 24642 24864 26973 27216 27648 27972 28416 28749 30618 31104 31968 32256 32856 33152 34992 35964 36288 36963 37296 37888 38332 40824 41472 41958 42624 43808 46656 47952 48384 49284 49728 53946 54432 55944 56832 57498 61236 62208 62937 63936 64512 65712 66304 69984 71928 72576 73926 74592 76664 80919 81648 82944 83916 85248 86247 87616 93312 95904 96768 98568 99456 107892 108864 110889 111888 113664 114996 122472 124416 125874 127872 131424 132608 139968 143856 145152 147852 149184 153328 161838 163296 167832 170496 172494 175232 186624 188811 191808 193536 197136 198912 215784 217728 221778 223776 229992 244944 248832 251748 255744 258741 262848 265216 279936 287712 290304 295704 298368 306656 323676 326592 332667 335664 340992 344988 350464 373248 377622 383616 394272 397824 431568 435456 443556 447552 459984 489888 503496 511488 517482 525696 559872 566433 575424 580608 591408 596736 613312 647352 653184 665334 671328 689976 700928 746496 755244 767232 776223 788544 795648 863136 870912 887112 895104 919968 979776 998001 1006992 1022976 1034964 1051392 1119744 1132866 1150848 1182816 1193472 1226624 1294704 1306368 1330668 1342656 1379952 1401856 1510488 1534464 1552446 1577088 1726272 1741824 1774224 1790208 1839936 1959552 1996002 2013984 2069928 2102784 2239488 2265732 2301696 2328669 2365632 2386944 2453248 2589408 2612736 2661336 2685312 2759904 2994003 3020976 3068928 3104892 3154176 3452544 3548448 3580416 3679872 3919104 3992004 4027968 4139856 4205568 4531464 4603392 4657338 4731264 4906496 5178816 5225472 5322672 5370624 5519808 5988006 6041952 6209784 6308352 6905088 6986007 7096896 7160832 7359744 7838208 7984008 8055936 8279712 9062928 9206784 9314676 9462528 9812992 10357632 10645344 10741248 11039616 11976012 12083904 12419568 12616704 13810176 13972014 14193792 14719488 15676416 15968016 16111872 16559424 18125856 18629352 18925056 20715264 20958021 21290688 21482496 22079232 23952024 24167808 24839136 27620352 27944028 28387584 29438976 31936032 32223744 33118848 36251712 37258704 37850112 41430528 41916042 42581376 44158464 47904048 48335616 49678272 55888056 56775168 63872064 64447488 66237696 72503424 74517408 82861056 83832084 85162752 88316928 95808096 96671232 99356544 111776112 113550336 127744128 132475392 145006848 149034816 167664168 170325504 191616192 193342464 198713088 223552224 255488256 264950784 290013696 298069632 335328336 340651008 383232384 397426176 447104448 510976512 580027392 596139264 670656672 766464768 794852352 894208896 1021953024 1192278528 1341313344 1532929536 1788417792 2384557056 2682626688 3065859072 3576835584 5365253376 7153671168 10730506752 21461013504
• Sum of all divisors σ(n): 75574584960
• Sum of proper divisors (its aliquot sum) s(n): 54113571456
• 21461013504 is an abundant number, because the sum of its proper divisors (54113571456) is greater than itself. Its abundance is 32652557952

Bases of 21461013504

• Binary: 10011111111001011010001010000000000₂
• Hexadecimal: 0x4FF2D1400
• Base-36: 9UXC000

Squares and roots of 21461013504

• 21461013504 squared (21461013504²) is 460575100618870358016
• 21461013504 cubed (21461013504³) is 9884408453987735510606690648064
• The square root of 21461013504 is 146495.7798163483
• The cube root of 21461013504 is 2778.9671259143

Scales and comparisons

• 21,461,013,504 seconds is equal to 682 years, 20 weeks, 3 days, 8 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,461,013,504 would take you about one thousand, three hundred sixty-four 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 21461013504 cubic inches would be around 231.6 feet tall.

Recreational maths with 21461013504

• 21461013504 backwards is 40531016412
• 21461013504 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21461013504's digits is 27
• More coming soon!