6439912128

Names of 6439912128

• Cardinal: 6439912128 can be written as Six billion, four hundred thirty-nine million, nine hundred twelve thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 6.439912128 × 10⁹

Factors of 6439912128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 672

Divisors of 6439912128

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 53 54 64 72 78 81 96 104 106 108 117 144 156 159 162 192 208 212 216 234 243 288 312 318 324 351 416 424 432 468 477 486 576 601 624 636 648 689 702 832 848 864 936 954 972 1053 1202 1248 1272 1296 1378 1404 1431 1696 1728 1803 1872 1908 1944 2067 2106 2404 2496 2544 2592 2756 2808 2862 3159 3392 3606 3744 3816 3888 4134 4212 4293 4808 5088 5184 5409 5512 5616 5724 6201 6318 7212 7488 7632 7776 7813 8268 8424 8586 9616 10176 10818 11024 11232 11448 12402 12636 12879 14424 15264 15552 15626 16227 16536 16848 17172 18603 19232 21636 22048 22464 22896 23439 24804 25272 25758 28848 30528 31252 31853 32454 33072 33696 34344 37206 38464 43272 44096 45792 46878 48681 49608 50544 51516 55809 57696 62504 63706 64908 66144 67392 68688 70317 74412 86544 91584 93756 95559 97362 99216 101088 103032 111618 115392 125008 127412 129816 132288 137376 140634 146043 148824 167427 173088 187512 191118 194724 198432 202176 206064 210951 223236 250016 254824 259632 274752 281268 286677 292086 297648 334854 346176 375024 382236 389448 396864 412128 414089 421902 446472 500032 509648 519264 562536 573354 584172 595296 632853 669708 750048 764472 778896 824256 828178 843804 860031 892944 1019296 1038528 1125072 1146708 1168344 1190592 1242267 1265706 1339416 1500096 1528944 1557792 1656356 1687608 1720062 1785888 1898559 2038592 2250144 2293416 2336688 2484534 2531412 2580093 2678832 3057888 3115584 3312712 3375216 3440124 3571776 3726801 3797118 4500288 4586832 4673376 4969068 5062824 5160186 5357664 6115776 6625424 6750432 6880248 7453602 7594236 7740279 9173664 9346752 9938136 10125648 10320372 10715328 11180403 13250848 13500864 13760496 14907204 15188472 15480558 18347328 19876272 20251296 20640744 22360806 26501696 27520992 29814408 30376944 30961116 33541209 39752544 40502592 41281488 44721612 55041984 59628816 60753888 61922232 67082418 79505088 82562976 89443224 100623627 119257632 121507776 123844464 134164836 165125952 178886448 201247254 238515264 247688928 268329672 357772896 402494508 495377856 536659344 715545792 804989016 1073318688 1609978032 2146637376 3219956064 6439912128
• Sum of all divisors σ(n): 21038917536
• Sum of proper divisors (its aliquot sum) s(n): 14599005408
• 6439912128 is an abundant number, because the sum of its proper divisors (14599005408) is greater than itself. Its abundance is 8159093280

Bases of 6439912128

• Binary: 101111111110110010100001011000000₂
• Hexadecimal: 0x17FD942C0
• Base-36: 2YI5O00

Squares and roots of 6439912128

• 6439912128 squared (6439912128²) is 41472468216361488384
• 6439912128 cubed (6439912128³) is 267079051044640877076252721152
• The square root of 6439912128 is 80249.0630973347
• The cube root of 6439912128 is 1860.4870316713

Scales and comparisons

• 6,439,912,128 seconds is equal to 204 years, 40 weeks, 28 minutes, 48 seconds.
• To count from 1 to 6,439,912,128 would take you about four hundred 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 6439912128 cubic inches would be around 155 feet tall.

Recreational maths with 6439912128

• 6439912128 backwards is 8212199346
• The number of decimal digits it has is: 10
• The sum of 6439912128's digits is 45
• More coming soon!