21049777152

Names of 21049777152

• Cardinal: 21049777152 can be written as Twenty-one billion, forty-nine million, seven hundred seventy-seven thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 2.1049777152 × 10¹⁰

Factors of 21049777152

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 61

Divisors of 21049777152

• Number of divisors d(n): 440
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 37 38 48 54 57 64 72 74 76 81 96 108 111 114 128 144 148 152 162 171 192 216 222 228 256 288 296 304 324 333 342 361 384 432 444 456 512 513 576 592 608 648 666 684 703 722 768 864 888 912 999 1024 1026 1083 1152 1184 1216 1296 1332 1368 1406 1444 1536 1539 1728 1776 1824 1998 2052 2109 2166 2304 2368 2432 2592 2664 2736 2812 2888 2997 3072 3078 3249 3456 3552 3648 3996 4104 4218 4332 4608 4736 4864 5184 5328 5472 5624 5776 5994 6156 6327 6498 6859 6912 7104 7296 7992 8208 8436 8664 9216 9472 9728 9747 10368 10656 10944 11248 11552 11988 12312 12654 12996 13357 13718 13824 14208 14592 15984 16416 16872 17328 18944 18981 19456 19494 20577 20736 21312 21888 22496 23104 23976 24624 25308 25992 26714 27436 27648 28416 29184 29241 31968 32832 33744 34656 37888 37962 38988 40071 41154 41472 42624 43776 44992 46208 47952 49248 50616 51984 53428 54872 56832 56943 58368 58482 61731 63936 65664 67488 69312 75924 77976 80142 82308 82944 85248 87552 89984 92416 95904 98496 101232 103968 106856 109744 113664 113886 116964 120213 123462 127872 131328 134976 138624 151848 155952 160284 164616 170496 175104 179968 184832 185193 191808 196992 202464 207936 213712 219488 227772 233928 240426 246924 253783 255744 262656 269952 277248 303696 311904 320568 329232 340992 359936 360639 369664 370386 383616 393984 404928 415872 427424 438976 455544 467856 480852 493848 507566 511488 525312 539904 554496 555579 607392 623808 641136 658464 719872 721278 740772 761349 767232 787968 809856 831744 854848 877952 911088 935712 961704 987696 1015132 1022976 1079808 1081917 1108992 1111158 1214784 1247616 1282272 1316928 1442556 1481544 1522698 1534464 1575936 1619712 1663488 1709696 1755904 1822176 1871424 1923408 1975392 2030264 2159616 2163834 2222316 2284047 2429568 2495232 2564544 2633856 2885112 2963088 3045396 3068928 3239424 3326976 3419392 3511808 3644352 3742848 3846816 3950784 4060528 4327668 4444632 4568094 4859136 4990464 5129088 5267712 5770224 5926176 6090792 6478848 6838784 6852141 7023616 7288704 7485696 7693632 7901568 8121056 8655336 8889264 9136188 9718272 9980928 10258176 10535424 11540448 11852352 12181584 13677568 13704282 14577408 14971392 15387264 15803136 16242112 17310672 17778528 18272376 19436544 20516352 20556423 21070848 23080896 23704704 24363168 27408564 29154816 29942784 30774528 31606272 32484224 34621344 35557056 36544752 41032704 41112846 46161792 47409408 48726336 54817128 58309632 61549056 63212544 64968448 69242688 71114112 73089504 82225692 92323584 94818816 97452672 109634256 123098112 129936896 138485376 142228224 146179008 164451384 184647168 189637632 194905344 219268512 259873792 276970752 284456448 292358016 328902768 369294336 389810688 438537024 553941504 568912896 584716032 657805536 779621376 877074048 1107883008 1169432064 1315611072 1754148096 2338864128 2631222144 3508296192 5262444288 7016592384 10524888576 21049777152
• Sum of all divisors σ(n): 68143647440
• Sum of proper divisors (its aliquot sum) s(n): 47093870288
• 21049777152 is an abundant number, because the sum of its proper divisors (47093870288) is greater than itself. Its abundance is 26044093136

Bases of 21049777152

• Binary: 10011100110101010100001110000000000₂
• Hexadecimal: 0x4E6AA1C00
• Base-36: 9O4HS00

Squares and roots of 21049777152

• 21049777152 squared (21049777152²) is 443093118148861231104
• 21049777152 cubed (21049777152³) is 9327011394618335677311570935808
• The square root of 21049777152 is 145085.4132985119
• The cube root of 21049777152 is 2761.1023196091

Scales and comparisons

• 21,049,777,152 seconds is equal to 669 years, 16 weeks, 3 days, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,049,777,152 would take you about one thousand, three hundred thirty-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 21049777152 cubic inches would be around 230.1 feet tall.

Recreational maths with 21049777152

• 21049777152 backwards is 25177794012
• The number of decimal digits it has is: 11
• The sum of 21049777152's digits is 45
• More coming soon!