18228976128

Names of 18228976128

• Cardinal: 18228976128 can be written as Eighteen billion, two hundred twenty-eight million, nine hundred seventy-six thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8228976128 × 10¹⁰

Factors of 18228976128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1336

Divisors of 18228976128

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 32 33 36 44 48 54 62 64 66 72 81 88 93 96 99 108 124 128 132 144 162 176 186 192 198 216 248 256 264 279 288 297 324 341 352 372 384 396 432 496 512 528 558 576 594 648 682 704 744 768 792 837 864 891 992 1023 1056 1116 1152 1188 1289 1296 1364 1408 1488 1536 1584 1674 1728 1782 1984 2046 2112 2232 2304 2376 2511 2578 2592 2728 2816 2976 3069 3168 3348 3456 3564 3867 3968 4092 4224 4464 4608 4752 5022 5156 5184 5456 5632 5952 6138 6336 6696 6912 7128 7734 7936 8184 8448 8928 9207 9504 10044 10312 10368 10912 11601 11904 12276 12672 13392 13824 14179 14256 15468 15872 16368 16896 17856 18414 19008 20088 20624 20736 21824 23202 23808 24552 25344 26784 27621 28358 28512 30936 32736 34803 35712 36828 38016 39959 40176 41248 41472 42537 43648 46404 47616 49104 50688 53568 55242 56716 57024 61872 65472 69606 71424 73656 76032 79918 80352 82496 85074 87296 92808 98208 104409 107136 110484 113432 114048 119877 123744 127611 130944 139212 142848 147312 152064 159836 160704 164992 170148 174592 185616 196416 208818 214272 220968 226864 228096 239754 247488 255222 261888 278424 294624 319672 321408 329984 340296 359631 371232 382833 392832 417636 428544 439549 441936 453728 456192 479508 494976 510444 523776 556848 589248 639344 642816 659968 680592 719262 742464 765666 785664 835272 879098 883872 907456 959016 989952 1020888 1078893 1113696 1148499 1178496 1278688 1285632 1318647 1361184 1438524 1484928 1531332 1571328 1670544 1758196 1767744 1814912 1918032 1979904 2041776 2157786 2227392 2296998 2356992 2557376 2637294 2722368 2877048 2969856 3062664 3236679 3341088 3516392 3535488 3629824 3836064 3955941 4083552 4315572 4454784 4593996 4713984 5114752 5274588 5444736 5754096 5939712 6125328 6473358 6682176 7032784 7070976 7259648 7672128 7911882 8167104 8631144 8909568 9187992 10229504 10549176 10889472 11508192 11867823 12250656 12946716 13364352 14065568 14141952 15344256 15823764 16334208 17262288 17819136 18375984 20459008 21098352 21778944 23016384 23735646 24501312 25893432 26728704 28131136 30688512 31647528 32668416 34524576 35603469 36751968 42196704 46032768 47471292 49002624 51786864 53457408 56262272 61377024 63295056 65336832 69049152 71206938 73503936 84393408 92065536 94942584 98005248 103573728 112524544 126590112 138098304 142413876 147007872 168786816 184131072 189885168 196010496 207147456 225049088 253180224 276196608 284827752 294015744 337573632 379770336 414294912 506360448 552393216 569655504 588031488 675147264 759540672 828589824 1012720896 1139311008 1519081344 1657179648 2025441792 2278622016 3038162688 4557244032 6076325376 9114488064 18228976128
• Sum of all divisors σ(n): 61317146880
• Sum of proper divisors (its aliquot sum) s(n): 43088170752
• 18228976128 is an abundant number, because the sum of its proper divisors (43088170752) is greater than itself. Its abundance is 24859194624

Bases of 18228976128

• Binary: 10000111110100010000001101000000000₂
• Hexadecimal: 0x43E881A00
• Base-36: 8DH2800

Squares and roots of 18228976128

• 18228976128 squared (18228976128²) is 332295570675193872384
• 18228976128 cubed (18228976128³) is 6057408025278245941459814449152
• The square root of 18228976128 is 135014.7255968769
• The cube root of 18228976128 is 2631.8073293859

Scales and comparisons

• 18,228,976,128 seconds is equal to 579 years, 32 weeks, 3 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,228,976,128 would take you about one thousand, one hundred fifty-nine 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 18228976128 cubic inches would be around 219.3 feet tall.

Recreational maths with 18228976128

• 18228976128 backwards is 82167982281
• 18228976128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18228976128's digits is 54
• More coming soon!