38428157664

Names of 38428157664

• Cardinal: 38428157664 can be written as Thirty-eight billion, four hundred twenty-eight million, one hundred fifty-seven thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 3.8428157664 × 10¹⁰

Factors of 38428157664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 891

Divisors of 38428157664

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 67 72 78 96 104 117 134 144 156 201 208 234 268 288 307 312 402 416 468 499 536 603 614 624 804 871 921 936 998 1072 1206 1228 1248 1497 1608 1742 1842 1872 1996 2144 2412 2456 2613 2763 2994 3216 3484 3684 3744 3991 3992 4491 4824 4912 5226 5526 5988 6432 6487 6968 7368 7839 7982 7984 8982 9648 9824 10452 11052 11973 11976 12974 13936 14736 15678 15964 15968 17964 19296 19461 20569 20904 22104 23946 23952 25948 27872 29472 31356 31928 33433 35919 35928 38922 41138 41808 44208 47892 47904 51896 58383 61707 62712 63856 66866 71838 71856 77844 82276 83616 88416 95784 100299 103792 116766 123414 125424 127712 133732 143676 143712 153193 155688 164552 185121 191568 200598 207584 233532 246828 250848 267397 267464 287352 300897 306386 311376 329104 370242 383136 401196 434629 459579 467064 493656 534794 534928 574704 601794 612772 622752 658208 740484 802191 802392 869258 919158 934128 987312 1069588 1069856 1149408 1203588 1225544 1303887 1378737 1480968 1604382 1604784 1738516 1838316 1868256 1974624 1991509 2139176 2406573 2407176 2451088 2607774 2757474 2961936 3208764 3209568 3477032 3676632 3911661 3983018 4278352 4813146 4814352 4902176 5215548 5514948 5923872 5974527 6417528 6954064 7353264 7823322 7966036 8556704 9626292 9628704 10263931 10431096 11029896 11949054 12835056 13908128 14706528 15646644 15932072 17923581 19252584 20527862 20862192 22059792 23898108 25670112 30791793 31293288 31864144 35847162 38505168 41055724 41724384 44119584 47796216 61583586 62586576 63728288 71694324 77010336 82111448 92375379 95592432 123167172 125173152 133431103 143388648 164222896 184750758 191184864 246334344 266862206 286777296 328445792 369501516 400293309 492668688 533724412 573554592 739003032 800586618 985337376 1067448824 1200879927 1478006064 1601173236 2134897648 2401759854 2956012128 3202346472 4269795296 4803519708 6404692944 9607039416 12809385888 19214078832 38428157664
• Sum of all divisors σ(n): 120071952000
• Sum of proper divisors (its aliquot sum) s(n): 81643794336
• 38428157664 is an abundant number, because the sum of its proper divisors (81643794336) is greater than itself. Its abundance is 43215636672

Bases of 38428157664

• Binary: 100011110010011111110010011011100000₂
• Hexadecimal: 0x8F27F26E0
• Base-36: HNJ4S80

Squares and roots of 38428157664

• 38428157664 squared (38428157664²) is 1476723301449241936896
• 38428157664 cubed (38428157664³) is 56747755854194068844320226770944
• The square root of 38428157664 is 196031.0119955513
• The cube root of 38428157664 is 3374.5550810371

Scales and comparisons

• 38,428,157,664 seconds is equal to 1,221 years, 46 weeks, 4 days, 8 hours, 14 minutes, 24 seconds.
• To count from 1 to 38,428,157,664 would take you about two thousand, four hundred forty-three 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 38428157664 cubic inches would be around 281.2 feet tall.

Recreational maths with 38428157664

• 38428157664 backwards is 46675182483
• The number of decimal digits it has is: 11
• The sum of 38428157664's digits is 54
• More coming soon!