38181648886361981

Names of 38181648886361981

• Cardinal: 38181648886361981 can be written as Thirty-eight quadrillion, one hundred eighty-one trillion, six hundred forty-eight billion, eight hundred eighty-six million, three hundred sixty-one thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 3.8181648886361981 × 10¹⁶

Factors of 38181648886361981

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 62

Divisors of 38181648886361981

• Number of divisors d(n): 324
• Complete list of divisors:
  1 7 11 13 31 49 77 91 121 143 169 217 341 403 539 637 847 961 1001 1183 1331 1519 1573 1859 2387 2821 3751 4433 5239 5929 6727 7007 8281 9317 10571 11011 12493 13013 14641 16709 17303 19747 20449 26257 29791 31031 36673 41261 47089 48763 57629 65219 73997 77077 87451 91091 102487 116281 121121 137423 143143 161051 162409 183799 190333 208537 217217 224939 256711 288827 327701 341341 387283 403403 453871 517979 536393 612157 633919 717409 813967 847847 923521 961961 1002001 1127357 1136863 1279091 1332331 1459759 1511653 1574573 1786499 2021789 2093663 2293907 2389387 2474329 2710981 2823821 3177097 3604711 3754751 4260113 4437433 4992581 5034679 5697769 5900323 6464647 6733727 6973109 7891499 7958041 8953637 9326317 10158731 10581571 11022011 12005773 12505493 14070001 14655641 16057349 16628183 17320303 18976867 19651489 22239679 25232977 26283257 27217619 28629151 29820791 31062031 34948067 35242753 39651821 41302261 45252529 46861243 48811763 55381469 62675459 64903553 71111117 74070997 76704199 84040411 87538451 98490007 102589487 111746041 116397281 121242121 132063503 137560423 154770011 156075049 176630839 182910013 190523333 200404057 208745537 216166379 244636469 246699271 277562747 289115827 314920661 328028701 341682341 372178963 387670283 436170031 454324871 497777819 515473673 536929393 588282877 609196159 689430049 782222287 814780967 843746189 924444521 962922961 1083390077 1092525343 1229206451 1280370091 1333663331 1402828399 1452698533 1513164653 1716825539 1942939229 2012010143 2204444627 2296200907 2377830169 2605252741 2713691981 3053190217 3180274097 3464127271 3608315711 3758505751 4093968593 4264373113 4797870341 4838326519 5475556009 5670210403 5906223323 6471111647 6701157749 7583730539 7647677401 8604445157 8962590637 10168889731 10592152571 12017778773 13521270961 14084071001 15431112389 15979683863 16644811183 18236769187 18885080929 21372331519 24248890897 25258209977 26156131859 28657780151 29850611791 33585092387 33868285633 38105399981 39691472821 41343563261 45033654523 46908104243 53221591709 60231116099 62372314433 71182228117 73712735239 84124451411 94648896727 98588497007 111857787041 116513678281 132195566503 148733980571 169742236279 175776522493 183092923013 200604461057 207735890219 235095646709 237077999431 266737799867 277840309747 315235581661 328356729701 372551141963 419159399791 436606201031 495370199753 515989146673 585437508799 662542277089 783004509287 810840087629 925368965521 1041137863997 1230435657451 1281650461091 1454151231533 1867164599069 1933541747423 2206649071627 2285094792409 2607857993741 2934115798537 3056243407217 3467591398271 3611924026711 4098062561593 4610753397701 5449072197283 5675880613403 6439812596789 7287965047979 8613049602157 10179058620731 13534792231961 15995663546863 20538810589759 24273139787897 25136042716499 28686437931151 32275273783907 38143505380981 39731164293821 45078688177523 59939794170113 70837938564679 94743545623727 111969644828041 175952299015493 225926916487349 267004537666867 315550817242661 419578559190791 495865569952753 779217324211469 1231666093108451 2937049914335537 3471058989669271 5454521269480283 38181648886361981
• Sum of all divisors σ(n): 54667689492479616
• Sum of proper divisors (its aliquot sum) s(n): 16486040606117635
• 38181648886361981 is a deficient number, because the sum of its proper divisors (16486040606117635) is less than itself. Its deficiency is 21695608280244346

Bases of 38181648886361981

• Binary: 10000111101001100000000111100010110011110110111101111101₂
• Hexadecimal: 0x87A601E2CF6F7D
• Base-36: AFY9JCLZ9FH

Squares and roots of 38181648886361981

• 38181648886361981 squared (38181648886361981²) is 1457838311681427103886937362244361
• 38181648886361981 cubed (38181648886361981³) is 55662670549706991737915642871581282108754422039141
• The square root of 38181648886361981 is 195401250.9846392489
• The cube root of 38181648886361981 is 336732.3903025539

Scales and comparisons

• 38,181,648,886,361,981 seconds is equal to 1,214,058,330 years, 51 weeks, 4 days, 59 minutes, 41 seconds.
• To count from 1 to 38,181,648,886,361,981 would take you about three billion, six hundred forty-two million, one hundred seventy-four thousand, nine hundred ninety-two 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 38181648886361981 cubic inches would be around 28061 feet tall.

Recreational maths with 38181648886361981

• 38181648886361981 backwards is 18916368884618183
• The number of decimal digits it has is: 17
• The sum of 38181648886361981's digits is 89
• More coming soon!