27991144045908

Names of 27991144045908

• Cardinal: 27991144045908 can be written as Twenty-seven trillion, nine hundred ninety-one billion, one hundred forty-four million, forty-five thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.7991144045908 × 10¹³

Factors of 27991144045908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 148

Divisors of 27991144045908

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 12 18 29 36 41 58 73 82 87 116 123 146 164 174 219 246 261 292 348 369 438 492 522 657 738 876 1044 1189 1314 1476 1681 2117 2378 2628 2993 3362 3567 4234 4756 5043 5329 5986 6351 6724 7134 8468 8979 10086 10658 10701 11972 12702 14268 15129 15987 17958 19053 20172 21316 21402 25404 26937 30258 31974 35916 38106 42804 47961 48749 53874 60516 63948 68921 76212 86797 95922 97498 107748 122713 137842 146247 154541 173594 191844 194996 206763 218489 245426 260391 275684 292494 309082 347188 368139 389017 413526 436978 438741 463623 490852 520782 584988 618164 620289 655467 736278 778034 781173 827052 873956 877482 927246 1041564 1104417 1167051 1240578 1310934 1390869 1472556 1556068 1562346 1754964 1854492 1966401 1998709 2208834 2334102 2481156 2621868 2781738 3124692 3501153 3558677 3932802 3997418 4417668 4668204 5031233 5563476 5996127 6336181 7002306 7117354 7865604 7994836 8958049 10062466 10676031 11281493 11992254 12672362 14004612 14234708 15093699 15949697 17916098 17988381 19008543 20124932 21352062 22562986 23984508 25344724 26874147 30187398 31899394 32028093 33844479 35832196 35976762 38017086 42704124 45125972 45281097 47849091 53748294 57025629 60374796 63798788 64056186 67688958 71953524 76034172 80622441 90562194 95698182 101533437 107496588 114051258 128112372 135377916 143547273 145905757 161244882 181124388 191396364 203066874 228102516 259783421 287094546 291811514 322489764 367280009 406133748 437717271 462541213 519566842 574189092 583623028 653937577 734560018 779350263 875434542 925082426 1039133684 1101840027 1307875154 1313151813 1387623639 1469120036 1558700526 1750869084 1850164852 1961812731 2203680054 2338050789 2615750308 2626303626 2775247278 3117401052 3305520081 3923625462 4162870917 4407360108 4676101578 5252607252 5550494556 5885438193 6611040162 7847250924 8325741834 9352203156 10651120261 11770876386 13222080324 16651483668 18964189733 21302240522 23541752772 26811440657 31953360783 37928379466 42604481044 53622881314 56892569199 63906721566 75856758932 80434321971 95860082349 107245762628 113785138398 127813443132 160868643942 170677707597 191720164698 227570276796 241302965913 321737287884 341355415194 383440329396 482605931826 682710830388 777531779053 965211863652 1555063558106 2332595337159 3110127116212 4665190674318 6997786011477 9330381348636 13995572022954 27991144045908
• Sum of all divisors σ(n): 76067099690400
• Sum of proper divisors (its aliquot sum) s(n): 48075955644492
• 27991144045908 is an abundant number, because the sum of its proper divisors (48075955644492) is greater than itself. Its abundance is 20084811598584

Bases of 27991144045908

• Binary: 110010111010100110010001100101001110101010100₂
• Hexadecimal: 0x197532329D54
• Base-36: 9X6YCGDP0

Squares and roots of 27991144045908

• 27991144045908 squared (27991144045908²) is 783504144998770879611544464
• 27991144045908 cubed (27991144045908³) is 21931177383226583802816978695433599253312
• The square root of 27991144045908 is 5290665.7469460307
• The cube root of 27991144045908 is 30362.6879654009

Scales and comparisons

• 27,991,144,045,908 seconds is equal to 890,031 years, 41 weeks, 3 days, 14 hours, 31 minutes, 48 seconds.
• To count from 1 to 27,991,144,045,908 would take you about two million, two hundred twenty-five thousand and seventy-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 27991144045908 cubic inches would be around 2530.2 feet tall.

Recreational maths with 27991144045908

• 27991144045908 backwards is 80954044119972
• The number of decimal digits it has is: 14
• The sum of 27991144045908's digits is 63
• More coming soon!