18842643456

Names of 18842643456

• Cardinal: 18842643456 can be written as Eighteen billion, eight hundred forty-two million, six hundred forty-three thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8842643456 × 10¹⁰

Factors of 18842643456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 9654

Divisors of 18842643456

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 49 52 56 64 78 84 91 96 98 104 112 128 147 156 168 182 192 196 208 224 256 273 294 312 336 364 384 392 416 448 512 546 588 624 637 672 728 768 784 832 896 1024 1092 1176 1248 1274 1344 1456 1536 1568 1664 1792 1911 2184 2352 2496 2548 2688 2912 3072 3136 3328 3584 3822 4368 4704 4992 5096 5376 5824 6272 6656 7168 7644 8736 9408 9629 9984 10192 10752 11648 12544 13312 15288 17472 18816 19258 19968 20384 21504 23296 25088 28887 30576 34944 37632 38516 39936 40768 46592 50176 57774 61152 67403 69888 75264 77032 81536 93184 115548 122304 125177 134806 139776 150528 154064 163072 202209 231096 244608 250354 269612 279552 308128 326144 375531 404418 462192 471821 489216 500708 539224 616256 652288 751062 808836 876239 924384 943642 978432 1001416 1078448 1232512 1415463 1502124 1617672 1752478 1848768 1887284 1956864 2002832 2156896 2465024 2628717 2830926 3004248 3235344 3504956 3697536 3774568 4005664 4313792 4930048 5257434 5661852 6008496 6133673 6470688 7009912 7395072 7549136 8011328 8627584 9860096 10514868 11323704 12016992 12267346 12941376 14019824 14790144 15098272 16022656 17255168 18401019 21029736 22647408 24033984 24534692 25882752 28039648 29580288 30196544 32045312 34510336 36802038 42059472 45294816 48067968 49069384 51765504 56079296 60393088 64090624 69020672 73604076 84118944 90589632 96135936 98138768 103531008 112158592 120786176 128181248 147208152 168237888 181179264 192271872 196277536 207062016 224317184 241572352 294416304 336475776 362358528 384543744 392555072 448634368 483144704 588832608 672951552 724717056 785110144 897268736 1177665216 1345903104 1449434112 1570220288 2355330432 2691806208 3140440576 4710660864 6280881152 9421321728 18842643456
• Sum of all divisors σ(n): 62922651120
• Sum of proper divisors (its aliquot sum) s(n): 44080007664
• 18842643456 is an abundant number, because the sum of its proper divisors (44080007664) is greater than itself. Its abundance is 25237364208

Bases of 18842643456

• Binary: 10001100011000110111110110000000000₂
• Hexadecimal: 0x4631BEC00
• Base-36: 8NMF8QO

Squares and roots of 18842643456

• 18842643456 squared (18842643456²) is 355045212409939623936
• 18842643456 cubed (18842643456³) is 6689990348200278844312771362816
• The square root of 18842643456 is 137268.5086099503
• The cube root of 18842643456 is 2661.0147190491

Scales and comparisons

• 18,842,643,456 seconds is equal to 599 years, 7 weeks, 1 day, 3 hours, 37 minutes, 36 seconds.
• To count from 1 to 18,842,643,456 would take you about one thousand, one hundred ninety-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 18842643456 cubic inches would be around 221.8 feet tall.

Recreational maths with 18842643456

• 18842643456 backwards is 65434624881
• The number of decimal digits it has is: 11
• The sum of 18842643456's digits is 51
• More coming soon!