1638228215808

Names of 1638228215808

• Cardinal: 1638228215808 can be written as One trillion, six hundred thirty-eight billion, two hundred twenty-eight million, two hundred fifteen thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.638228215808 × 10¹²

Factors of 1638228215808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 257

Divisors of 1638228215808

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 53 54 64 72 96 106 108 128 144 159 192 199 212 216 256 288 318 384 398 424 432 477 512 576 597 636 768 796 848 864 954 1024 1152 1194 1272 1431 1536 1592 1696 1728 1791 1908 2048 2304 2388 2544 2809 2862 3072 3184 3392 3456 3582 3816 4608 4776 5088 5373 5618 5724 6144 6368 6784 6912 7164 7632 8427 9216 9552 10176 10547 10746 11236 11448 12736 13568 13824 14328 15264 16854 18432 19104 20352 21094 21492 22472 22896 25281 25472 27136 27648 28656 30528 31641 33708 38208 40704 42188 42984 44944 45792 50562 50944 54272 55296 57312 61056 63282 67416 75843 76416 81408 84376 85968 89888 91584 94923 101124 101888 108544 114624 122112 126564 134832 148877 151686 152832 162816 168752 171936 179776 183168 189846 202248 203776 229248 244224 253128 269664 284769 297754 303372 305664 325632 337504 343872 359552 366336 379692 404496 407552 446631 458496 488448 506256 539328 558991 569538 595508 606744 611328 675008 687744 719104 732672 759384 808992 893262 916992 976896 1012512 1078656 1117982 1139076 1191016 1213488 1222656 1339893 1350016 1375488 1438208 1465344 1518768 1617984 1676973 1786524 1833984 2025024 2157312 2235964 2278152 2382032 2426976 2679786 2700032 2750976 2876416 2930688 3037536 3235968 3353946 3573048 3667968 4019679 4050048 4314624 4471928 4556304 4764064 4853952 5030919 5359572 5400064 5501952 5752832 6075072 6471936 6707892 7146096 8039358 8100096 8629248 8943856 9112608 9528128 9707904 10061838 10719144 10800128 11003904 12150144 12943872 13415784 14292192 15092757 16078716 16200192 17258496 17887712 18225216 19056256 19415808 20123676 21438288 21600256 24300288 25887744 26831568 28584384 29626523 30185514 32157432 32400384 35775424 36450432 38112512 38831616 40247352 42876576 48600576 51775488 53663136 57168768 59253046 60371028 64314864 64800768 71550848 72900864 76225024 77663232 80494704 85753152 88879569 97201152 107326272 114337536 118506092 120742056 128629728 143101696 145801728 152450048 155326464 160989408 171506304 177759138 194402304 214652544 228675072 237012184 241484112 257259456 266638707 286203392 291603456 304900096 321978816 343012608 355518276 429305088 457350144 474024368 482968224 514518912 533277414 572406784 583206912 643957632 686025216 711036552 799916121 858610176 914700288 948048736 965936448 1029037824 1066554828 1144813568 1287915264 1372050432 1422073104 1599832242 1717220352 1896097472 1931872896 2058075648 2133109656 2575830528 2744100864 2844146208 3199664484 3434440704 3792194944 3863745792 4116151296 4266219312 5151661056 5688292416 6399328968 7584389888 7727491584 8232302592 8532438624 10303322112 11376584832 12798657936 15168779776 15454983168 17064877248 22753169664 25597315872 30337559552 30909966336 34129754496 45506339328 51194631744 60675119104 68259508992 91012678656 102389263488 136519017984 182025357312 204778526976 273038035968 409557053952 546076071936 819114107904 1638228215808
• Sum of all divisors σ(n): 4971002400000
• Sum of proper divisors (its aliquot sum) s(n): 3332774184192
• 1638228215808 is an abundant number, because the sum of its proper divisors (3332774184192) is greater than itself. Its abundance is 1694545968384

Bases of 1638228215808

• Binary: 10111110101101110000000101100100000000000₂
• Hexadecimal: 0x17D6E02C800
• Base-36: KWLAS5C0

Squares and roots of 1638228215808

• 1638228215808 squared (1638228215808²) is 2683791687069463021092864
• 1638228215808 cubed (1638228215808³) is 4396663267108148669205596061000794112
• The square root of 1638228215808 is 1279932.8950409861
• The cube root of 1638228215808 is 11788.4887640779

Scales and comparisons

• 1,638,228,215,808 seconds is equal to 52,090 years, 30 weeks, 4 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 1,638,228,215,808 would take you about one hundred thirty thousand, two hundred twenty-six 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 1638228215808 cubic inches would be around 982.4 feet tall.

Recreational maths with 1638228215808

• 1638228215808 backwards is 8085128228361
• 1638228215808 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1638228215808's digits is 54
• More coming soon!