664480768

Names of 664480768

• Cardinal: 664480768 can be written as Six hundred sixty-four million, four hundred eighty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 6.64480768 × 10⁸

Factors of 664480768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 86

Divisors of 664480768

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 7 8 14 16 17 19 28 32 34 38 41 49 56 64 68 76 82 98 112 119 128 133 136 152 164 196 224 238 256 266 272 287 304 323 328 392 448 476 512 532 544 574 608 646 656 697 779 784 833 896 931 952 1024 1064 1088 1148 1216 1292 1312 1394 1558 1568 1666 1792 1862 1904 2009 2128 2176 2261 2296 2432 2584 2624 2788 3116 3136 3332 3584 3724 3808 4018 4256 4352 4522 4592 4864 4879 5168 5248 5453 5576 6232 6272 6664 7168 7448 7616 8036 8512 8704 9044 9184 9728 9758 10336 10496 10906 11152 12464 12544 13243 13328 14896 15232 15827 16072 17024 17408 18088 18368 19456 19516 20672 20992 21812 22304 24928 25088 26486 26656 29792 30464 31654 32144 34048 34153 36176 36736 38171 39032 41344 41984 43624 44608 49856 50176 52972 53312 59584 60928 63308 64288 68096 68306 72352 73472 76342 78064 82688 87248 89216 92701 99712 105944 106624 119168 121856 126616 128576 136192 136612 144704 146944 152684 156128 165376 174496 178432 185402 199424 211888 213248 238336 253232 257152 273224 289408 293888 305368 312256 330752 348992 356864 370804 398848 423776 426496 476672 506464 514304 546448 578816 610736 624512 648907 697984 713728 741608 797696 847552 852992 953344 1012928 1028608 1092896 1157632 1221472 1249024 1297814 1395968 1483216 1695104 2025856 2057216 2185792 2315264 2442944 2498048 2595628 2791936 2966432 3390208 4051712 4371584 4885888 4996096 5191256 5583872 5932864 6780416 8103424 8743168 9771776 10382512 11865728 13560832 16206848 17486336 19543552 20765024 23731456 34972672 39087104 41530048 47462912 83060096 94925824 166120192 332240384 664480768
• Sum of all divisors σ(n): 1764186480
• Sum of proper divisors (its aliquot sum) s(n): 1099705712
• 664480768 is an abundant number, because the sum of its proper divisors (1099705712) is greater than itself. Its abundance is 435224944

Bases of 664480768

• Binary: 100111100110110010110000000000₂
• Hexadecimal: 0x279B2C00
• Base-36: AZM4N4

Squares and roots of 664480768

• 664480768 squared (664480768²) is 441534691041869824
• 664480768 cubed (664480768³) is 293391310602144380807544832
• The square root of 664480768 is 25777.5244738511
• The cube root of 664480768 is 872.6246401195

Scales and comparisons

• 664,480,768 seconds is equal to 21 years, 6 weeks, 4 days, 17 hours, 59 minutes, 28 seconds.
• To count from 1 to 664,480,768 would take you about thirty-one 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 664480768 cubic inches would be around 72.7 feet tall.

Recreational maths with 664480768

• 664480768 backwards is 867084466
• 664480768 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 664480768's digits is 49
• More coming soon!