6445311840

Names of 6445311840

• Cardinal: 6445311840 can be written as Six billion, four hundred forty-five million, three hundred eleven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.44531184 × 10⁹

Factors of 6445311840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 613

Divisors of 6445311840

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 66 71 72 80 88 90 96 99 110 120 121 132 142 144 160 165 176 180 198 213 220 240 242 264 284 288 330 352 355 360 363 396 426 440 480 484 495 521 528 568 605 639 660 710 720 726 781 792 852 880 968 990 1042 1056 1065 1089 1136 1210 1278 1320 1420 1440 1452 1562 1563 1584 1704 1760 1815 1936 1980 2084 2130 2178 2272 2343 2420 2556 2605 2640 2840 2904 3124 3126 3168 3195 3408 3630 3872 3905 3960 4168 4260 4356 4686 4689 4840 5112 5210 5280 5445 5680 5731 5808 6248 6252 6390 6816 7029 7260 7810 7815 7920 8336 8520 8591 8712 9372 9378 9680 10224 10420 10890 11360 11462 11616 11715 12496 12504 12780 14058 14520 15620 15630 15840 16672 17040 17182 17193 17424 18744 18756 19360 20448 20840 21780 22924 23430 23445 24992 25008 25560 25773 28116 28655 29040 31240 31260 34080 34364 34386 34848 35145 36991 37488 37512 41680 42955 43560 45848 46860 46890 50016 51120 51546 51579 56232 57310 58080 62480 62520 63041 68728 68772 70290 73982 74976 75024 77319 83360 85910 85965 87120 91696 93720 93780 102240 103092 103158 110973 112464 114620 124960 125040 126082 128865 137456 137544 140580 147964 150048 154638 171820 171930 174240 183392 184955 187440 187560 189123 206184 206316 221946 224928 229240 250080 252164 257730 257895 274912 275088 281160 295928 309276 315205 332919 343640 343860 369910 374880 375120 378246 386595 406901 412368 412632 443892 458480 504328 515460 515790 550176 554865 562320 567369 591856 618552 630410 665838 687280 687720 739820 750240 756492 773190 813802 824736 825264 887784 916960 945615 1008656 1030920 1031580 1109730 1124640 1134738 1183712 1220703 1237104 1260820 1331676 1374560 1375440 1479640 1512984 1546380 1627604 1650528 1664595 1775568 1891230 2017312 2034505 2061840 2063160 2219460 2269476 2441406 2474208 2521640 2663352 2750880 2836845 2959280 3025968 3092760 3255208 3329190 3551136 3662109 3782460 4069010 4123680 4126320 4438920 4475911 4538952 4882812 5043280 5326704 5673690 5918560 6051936 6103515 6185520 6510416 6658380 7324218 7564920 8138020 8252640 8877840 8951822 9077904 9765624 10086560 10653408 11347380 12207030 12371040 13020832 13316760 13427733 14648436 15129840 16276040 17755680 17903644 18155808 18310545 19531248 22379555 22694760 24414060 26633520 26855466 29296872 30259680 32552080 35807288 36621090 39062496 40283199 44759110 45389520 48828120 53267040 53710932 58593744 65104160 67138665 71614576 73242180 80566398 89518220 90779040 97656240 107421864 117187488 134277330 143229152 146484360 161132796 179036440 195312480 201415995 214843728 268554660 292968720 322265592 358072880 402831990 429687456 537109320 585937440 644531184 716145760 805663980 1074218640 1289062368 1611327960 2148437280 3222655920 6445311840
• Sum of all divisors σ(n): 24563474208
• Sum of proper divisors (its aliquot sum) s(n): 18118162368
• 6445311840 is an abundant number, because the sum of its proper divisors (18118162368) is greater than itself. Its abundance is 11672850528

Bases of 6445311840

• Binary: 110000000001010111010011101100000₂
• Hexadecimal: 0x1802BA760
• Base-36: 2YLDEG0

Squares and roots of 6445311840

• 6445311840 squared (6445311840²) is 41542044714844185600
• 6445311840 cubed (6445311840³) is 267751432658394653202837504000
• The square root of 6445311840 is 80282.6995061825
• The cube root of 6445311840 is 1861.0068776699

Scales and comparisons

• 6,445,311,840 seconds is equal to 204 years, 48 weeks, 6 days, 12 hours, 24 minutes.
• To count from 1 to 6,445,311,840 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 6445311840 cubic inches would be around 155.1 feet tall.

Recreational maths with 6445311840

• 6445311840 backwards is 0481135446
• 6445311840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6445311840's digits is 36
• More coming soon!