20843491968

Names of 20843491968

• Cardinal: 20843491968 can be written as Twenty billion, eight hundred forty-three million, four hundred ninety-one thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0843491968 × 10¹⁰

Factors of 20843491968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 426

Divisors of 20843491968

• Number of divisors d(n): 384
• 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 96 104 108 117 127 128 144 156 169 192 208 216 234 254 281 288 312 338 351 381 384 416 432 468 507 508 562 576 624 676 702 762 832 843 864 936 1014 1016 1124 1143 1152 1248 1352 1404 1521 1524 1651 1664 1686 1728 1872 2028 2032 2248 2286 2496 2529 2704 2808 3042 3048 3302 3372 3429 3456 3653 3744 4056 4064 4496 4563 4572 4953 4992 5058 5408 5616 6084 6096 6604 6744 6858 7306 7488 7587 8112 8128 8992 9126 9144 9906 10116 10816 10959 11232 12168 12192 13208 13488 13716 14612 14859 14976 15174 16224 16256 17984 18252 18288 19812 20232 21463 21632 21918 22464 24336 24384 26416 26976 27432 29224 29718 30348 32448 32877 35687 35968 36504 36576 39624 40464 42926 43836 44577 44928 47489 48672 48768 52832 53952 54864 58448 59436 60696 64389 64896 65754 71374 73008 73152 79248 80928 85852 87672 89154 94978 97344 98631 105664 107061 107904 109728 116896 118872 121392 128778 131508 142467 142748 146016 146304 158496 161856 171704 175344 178308 189956 193167 194688 197262 211328 214122 219456 233792 237744 242784 257556 263016 284934 285496 292032 316992 321183 323712 343408 350688 356616 379912 386334 394524 427401 428244 438912 463931 467584 475488 485568 515112 526032 569868 570992 579501 584064 633984 642366 686816 701376 713232 759824 772668 789048 854802 856488 927862 950976 963549 971136 1030224 1052064 1139736 1141984 1159002 1282203 1284732 1373632 1391793 1402752 1426464 1519648 1545336 1578096 1709604 1712976 1855724 1901952 1927098 2060448 2104128 2279472 2283968 2318004 2564406 2569464 2747264 2783586 2852928 3039296 3090672 3156192 3419208 3425952 3711448 3854196 4120896 4175379 4208256 4558944 4567936 4636008 5128812 5138928 5567172 5705856 6031103 6078592 6181344 6312384 6838416 6851904 7422896 7708392 8241792 8350758 9117888 9272016 10257624 10277856 11134344 12062206 12362688 12526137 12624768 13676832 13703808 14845792 15416784 16701516 18093309 18235776 18544032 20515248 20555712 22268688 24124412 24725376 25052274 27353664 29691584 30833568 33403032 36186618 37088064 41030496 41111424 44537376 48248824 50104548 54279927 54707328 59383168 61667136 66806064 72373236 74176128 82060992 89074752 96497648 100209096 108559854 123334272 133612128 144746472 162839781 164121984 178149504 192995296 200418192 217119708 267224256 289492944 325679562 385990592 400836384 434239416 534448512 578985888 651359124 771981184 801672768 868478832 1157971776 1302718248 1603345536 1736957664 2315943552 2605436496 3473915328 5210872992 6947830656 10421745984 20843491968
• Sum of all divisors σ(n): 67376793600
• Sum of proper divisors (its aliquot sum) s(n): 46533301632
• 20843491968 is an abundant number, because the sum of its proper divisors (46533301632) is greater than itself. Its abundance is 25689809664

Bases of 20843491968

• Binary: 10011011010010111100111001010000000₂
• Hexadecimal: 0x4DA5E7280
• Base-36: 9KPODC0

Squares and roots of 20843491968

• 20843491968 squared (20843491968²) is 434451157420080513024
• 20843491968 cubed (20843491968³) is 9055479210173751775129063391232
• The square root of 20843491968 is 144372.7535513541
• The cube root of 20843491968 is 2752.0532090397

Scales and comparisons

• 20,843,491,968 seconds is equal to 662 years, 39 weeks, 3 days, 2 hours, 52 minutes, 48 seconds.
• To count from 1 to 20,843,491,968 would take you about one thousand, three hundred twenty-five 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 20843491968 cubic inches would be around 229.3 feet tall.

Recreational maths with 20843491968

• 20843491968 backwards is 86919434802
• 20843491968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20843491968's digits is 54
• More coming soon!