18406982992896

Names of 18406982992896

• Cardinal: 18406982992896 can be written as Eighteen trillion, four hundred six billion, nine hundred eighty-two million, nine hundred ninety-two thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 1.8406982992896 × 10¹³

Factors of 18406982992896

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 14902

Divisors of 18406982992896

• Number of divisors d(n): 165
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 324 384 432 512 576 648 768 864 1024 1152 1296 1536 1728 2304 2592 3072 3456 4608 5184 6912 9216 10368 13824 14897 20736 27648 29794 41472 44691 59588 82944 89382 119176 134073 178764 238352 268146 357528 402219 476704 536292 715056 804438 953408 1072584 1206657 1430112 1608876 1906816 2145168 2413314 2860224 3217752 3813632 4290336 4826628 5720448 6435504 7627264 8580672 9653256 11440896 12871008 15254528 17161344 19306512 22881792 25742016 34322688 38613024 45763584 51484032 68645376 77226048 102968064 137290752 154452096 205936128 221920609 308904192 411872256 443841218 617808384 665761827 887682436 1235616768 1331523654 1775364872 1997285481 2663047308 3550729744 3994570962 5326094616 5991856443 7101459488 7989141924 10652189232 11983712886 14202918976 15978283848 17975569329 21304378464 23967425772 28405837952 31956567696 35951138658 42608756928 47934851544 56811675904 63913135392 71902277316 85217513856 95869703088 113623351808 127826270784 143804554632 170435027712 191739406176 227246703616 255652541568 287609109264 340870055424 383478812352 511305083136 575218218528 681740110848 766957624704 1022610166272 1150436437056 1533915249408 2045220332544 2300872874112 3067830498816 4601745748224 6135660997632 9203491496448 18406982992896
• Sum of all divisors σ(n): 54970539922309
• Sum of proper divisors (its aliquot sum) s(n): 36563556929413
• 18406982992896 is an abundant number, because the sum of its proper divisors (36563556929413) is greater than itself. Its abundance is 18156573936517

Bases of 18406982992896

• Binary: 100001011110110110101101011101100010000000000₂
• Hexadecimal: 0x10BDB5AEC400
• Base-36: 6IW1UF400

Squares and roots of 18406982992896

• 18406982992896 squared (18406982992896²) is 338817022900762585586466816
• 18406982992896 cubed (18406982992896³) is 6236599178237991469239122304169867739136
• 18406982992896 is a perfect square number. Its square root is 4290336
• The cube root of 18406982992896 is 26403.4617212659

Scales and comparisons

• 18,406,982,992,896 seconds is equal to 585,285 years, 6 weeks, 2 days, 15 hours, 21 minutes, 36 seconds.
• To count from 1 to 18,406,982,992,896 would take you about one million, four hundred sixty-three thousand, two hundred twelve 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 18406982992896 cubic inches would be around 2200.3 feet tall.

Recreational maths with 18406982992896

• 18406982992896 backwards is 69829928960481
• 18406982992896 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18406982992896's digits is 81
• More coming soon!