3981809664

Names of 3981809664

• Cardinal: 3981809664 can be written as Three billion, nine hundred eighty-one million, eight hundred nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 3.981809664 × 10⁹

Factors of 3981809664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 139

Divisors of 3981809664

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 127 128 144 162 168 189 192 216 224 243 252 254 256 288 324 336 378 381 384 432 448 486 504 508 512 567 576 648 672 729 756 762 768 864 889 896 972 1008 1016 1024 1134 1143 1152 1296 1344 1458 1512 1524 1536 1701 1728 1778 1792 1944 2016 2032 2048 2187 2268 2286 2304 2592 2667 2688 2916 3024 3048 3072 3402 3429 3456 3556 3584 3888 4032 4064 4374 4536 4572 4608 5103 5184 5334 5376 5832 6048 6096 6144 6804 6858 6912 7112 7168 7776 8001 8064 8128 8748 9072 9144 9216 10206 10287 10368 10668 10752 11664 12096 12192 13608 13716 13824 14224 14336 15309 15552 16002 16128 16256 17496 18144 18288 18432 20412 20574 20736 21336 21504 23328 24003 24192 24384 27216 27432 27648 28448 30618 30861 31104 32004 32256 32512 34992 36288 36576 40824 41148 41472 42672 43008 46656 48006 48384 48768 54432 54864 55296 56896 61236 61722 62208 64008 64512 65024 69984 72009 72576 73152 81648 82296 82944 85344 92583 93312 96012 96768 97536 108864 109728 113792 122472 123444 124416 128016 129024 130048 139968 144018 145152 146304 163296 164592 165888 170688 185166 186624 192024 193536 195072 216027 217728 219456 227584 244944 246888 248832 256032 260096 277749 279936 288036 290304 292608 326592 329184 341376 370332 373248 384048 387072 390144 432054 435456 438912 455168 489888 493776 497664 512064 555498 559872 576072 580608 585216 648081 653184 658368 682752 740664 746496 768096 780288 864108 870912 877824 910336 979776 987552 1024128 1110996 1119744 1152144 1161216 1170432 1296162 1306368 1316736 1365504 1481328 1492992 1536192 1728216 1741824 1755648 1820672 1944243 1959552 1975104 2048256 2221992 2239488 2304288 2340864 2592324 2612736 2633472 2731008 2962656 3072384 3456432 3483648 3511296 3888486 3919104 3950208 4096512 4443984 4478976 4608576 5184648 5225472 5266944 5462016 5925312 6144768 6912864 7022592 7776972 7838208 7900416 8193024 8887968 9217152 10369296 10450944 10533888 11850624 12289536 13825728 15553944 15676416 15800832 16386048 17775936 18434304 20738592 21067776 23701248 24579072 27651456 31107888 31352832 31601664 35551872 36868608 41477184 47402496 49158144 55302912 62215776 63203328 71103744 73737216 82954368 94804992 110605824 124431552 142207488 147474432 165908736 189609984 221211648 248863104 284414976 331817472 442423296 497726208 568829952 663634944 995452416 1327269888 1990904832 3981809664
• Sum of all divisors σ(n): 13753958400
• Sum of proper divisors (its aliquot sum) s(n): 9772148736
• 3981809664 is an abundant number, because the sum of its proper divisors (9772148736) is greater than itself. Its abundance is 5790339072

Bases of 3981809664

• Binary: 11101101010101011001100000000000₂
• Hexadecimal: 0xED559800
• Base-36: 1TUO000

Squares and roots of 3981809664

• 3981809664 squared (3981809664²) is 15854808200323792896
• 3981809664 cubed (3981809664³) is 63130828512915726482427346944
• The square root of 3981809664 is 63101.5821037793
• The cube root of 3981809664 is 1584.9911152629

Scales and comparisons

• 3,981,809,664 seconds is equal to 126 years, 31 weeks, 4 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 3,981,809,664 would take you about two hundred fifty-three 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 3981809664 cubic inches would be around 132.1 feet tall.

Recreational maths with 3981809664

• 3981809664 backwards is 4669081893
• 3981809664 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3981809664's digits is 54
• More coming soon!