6442513920

Names of 6442513920

• Cardinal: 6442513920 can be written as Six billion, four hundred forty-two million, five hundred thirteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.44251392 × 10⁹

Factors of 6442513920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 14746

Divisors of 6442513920

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 64 72 76 80 90 95 96 114 120 128 144 152 160 171 180 190 192 228 240 256 285 288 304 320 342 360 380 384 456 480 512 570 576 608 640 684 720 760 768 855 912 960 1140 1152 1216 1280 1368 1440 1520 1536 1710 1824 1920 2280 2304 2432 2560 2736 2880 3040 3420 3648 3840 4560 4608 4864 5472 5760 6080 6840 7296 7680 9120 9728 10944 11520 12160 13680 14592 14717 18240 21888 23040 24320 27360 29184 29434 36480 43776 44151 48640 54720 58868 72960 73585 87552 88302 109440 117736 132453 145920 147170 176604 218880 220755 235472 264906 279623 294340 353208 437760 441510 470944 529812 559246 588680 662265 706416 838869 883020 941888 1059624 1118492 1177360 1324530 1398115 1412832 1677738 1766040 1883776 2119248 2236984 2354720 2516607 2649060 2796230 2825664 3355476 3532080 3767552 4194345 4238496 4473968 4709440 5033214 5298120 5592460 5651328 6710952 7064160 7535104 8388690 8476992 8947936 9418880 10066428 10596240 11184920 11302656 12583035 13421904 14128320 16777380 16953984 17895872 18837760 20132856 21192480 22369840 22605312 25166070 26843808 28256640 33554760 33907968 35791744 37675520 40265712 42384960 44739680 50332140 53687616 56513280 67109520 67815936 71583488 80531424 84769920 89479360 100664280 107375232 113026560 134219040 143166976 161062848 169539840 178958720 201328560 214750464 268438080 322125696 339079680 357917440 402657120 429500928 536876160 644251392 715834880 805314240 1073752320 1288502784 1610628480 2147504640 3221256960 6442513920
• Sum of all divisors σ(n): 23488161840
• Sum of proper divisors (its aliquot sum) s(n): 17045647920
• 6442513920 is an abundant number, because the sum of its proper divisors (17045647920) is greater than itself. Its abundance is 10603134000

Bases of 6442513920

• Binary: 110000000000000001111011000000000₂
• Hexadecimal: 0x18000F600
• Base-36: 2YJPFK0

Squares and roots of 6442513920

• 6442513920 squared (6442513920²) is 41505985609393766400
• 6442513920 cubed (6442513920³) is 267402890051839022793228288000
• The square root of 6442513920 is 80265.2721916521
• The cube root of 6442513920 is 1860.7375500241

Scales and comparisons

• 6,442,513,920 seconds is equal to 204 years, 44 weeks, 2 days, 3 hours, 12 minutes.
• To count from 1 to 6,442,513,920 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 6442513920 cubic inches would be around 155.1 feet tall.

Recreational maths with 6442513920

• 6442513920 backwards is 0293152446
• 6442513920 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6442513920's digits is 36
• More coming soon!