6403813640

Names of 6403813640

• Cardinal: 6403813640 can be written as Six billion, four hundred three million, eight hundred thirteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.40381364 × 10⁹

Factors of 6403813640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2100

Divisors of 6403813640

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 23 28 29 34 35 40 46 56 58 68 70 85 92 115 116 119 136 140 145 161 170 184 203 230 232 238 280 290 322 340 391 406 460 476 493 580 595 644 667 680 782 805 812 920 952 986 1015 1160 1190 1288 1334 1564 1610 1624 1955 1972 2017 2030 2380 2465 2668 2737 3128 3220 3335 3451 3910 3944 4034 4060 4669 4760 4930 5336 5474 6440 6670 6902 7820 8068 8120 9338 9860 10085 10948 11339 13340 13685 13804 14119 15640 16136 17255 18676 19720 20170 21896 22678 23345 26680 27370 27608 28238 34289 34510 37352 40340 45356 46391 46690 54740 56476 56695 58493 68578 69020 70595 79373 80680 90712 92782 93380 109480 112952 113390 116986 137156 138040 141190 158746 171445 185564 186760 226780 231955 233972 240023 274312 282380 292465 317492 324737 342890 371128 396865 409451 453560 463910 467944 480046 564760 584930 634984 649474 685780 788647 793730 818902 927820 960092 994381 1169860 1200115 1298948 1345339 1371560 1577294 1587460 1623685 1637804 1855640 1920184 1988762 2047255 2339720 2400230 2597896 2690678 3154588 3174920 3247370 3275608 3943235 3977524 4094510 4800460 4971905 5381356 5520529 6309176 6494740 6726695 6960667 7886470 7955048 8189020 9417373 9600920 9943810 10762712 11041058 12989480 13453390 13921334 15772940 16378040 18834746 19887620 22082116 22870763 26906780 27602645 27842668 31545880 34803335 37669492 39775240 44164232 45741526 47086865 53813560 55205290 55685336 69606670 75338984 91483052 94173730 110410580 114353815 139213340 160095341 182966104 188347460 220821160 228707630 278426680 320190682 376694920 457415260 640381364 800476705 914830520 1280762728 1600953410 3201906820 6403813640
• Sum of all divisors σ(n): 18830361600
• Sum of proper divisors (its aliquot sum) s(n): 12426547960
• 6403813640 is an abundant number, because the sum of its proper divisors (12426547960) is greater than itself. Its abundance is 6022734320

Bases of 6403813640

• Binary: 101111101101100100111000100001000₂
• Hexadecimal: 0x17DB27108
• Base-36: 2XWNY88

Squares and roots of 6403813640

• 6403813640 squared (6403813640²) is 41008829135850049600
• 6403813640 cubed (6403813640³) is 262612899380585960623156544000
• The square root of 6403813640 is 80023.8317003129
• The cube root of 6403813640 is 1857.0042383209

Scales and comparisons

• 6,403,813,640 seconds is equal to 203 years, 32 weeks, 2 days, 5 hours, 7 minutes, 20 seconds.
• To count from 1 to 6,403,813,640 would take you about four hundred seven 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 6403813640 cubic inches would be around 154.8 feet tall.

Recreational maths with 6403813640

• 6403813640 backwards is 0463183046
• 6403813640 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6403813640's digits is 35
• More coming soon!