1640426256

Names of 1640426256

• Cardinal: 1640426256 can be written as One billion, six hundred forty million, four hundred twenty-six thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 1.640426256 × 10⁹

Factors of 1640426256

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 369

Divisors of 1640426256

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 31 36 38 42 48 54 56 57 62 63 72 76 81 84 93 108 112 114 124 126 133 144 152 162 168 171 186 189 216 217 228 248 252 266 279 304 307 324 336 342 372 378 399 432 434 456 496 504 513 532 558 567 589 614 648 651 684 744 756 798 837 868 912 921 1008 1026 1064 1116 1134 1178 1197 1228 1296 1302 1368 1488 1512 1539 1596 1674 1736 1767 1842 1953 2052 2128 2149 2232 2268 2356 2394 2456 2511 2604 2736 2763 3024 3078 3192 3348 3472 3534 3591 3684 3906 4104 4123 4298 4464 4536 4712 4788 4912 5022 5208 5301 5526 5833 5859 6156 6384 6447 6696 7068 7182 7368 7812 8208 8246 8289 8596 9072 9424 9517 9576 10044 10416 10602 10773 11052 11666 11718 12312 12369 12894 13392 14136 14364 14736 15624 15903 16492 16578 17192 17499 17577 19034 19152 19341 20088 21204 21546 22104 23332 23436 24624 24738 24867 25788 28272 28551 28728 31248 31806 32984 33156 34384 34998 35154 37107 38068 38682 40176 40831 42408 43092 44208 46664 46872 47709 49476 49734 51576 52497 57102 57456 58023 63612 65968 66312 66619 69996 70308 74214 76136 77364 81662 84816 85653 86184 93328 93744 95418 98952 99468 103152 104994 111321 114204 116046 122493 127224 132624 133238 139992 140616 148428 152272 154728 157491 163324 171306 172368 174069 180823 190836 197904 198936 199857 209988 222642 228408 232092 244986 254448 256959 266476 279984 281232 296856 309456 314982 326648 333963 342612 348138 361646 367479 381672 397872 399714 419976 445284 456816 464184 472473 489972 513918 532952 542469 593712 599571 629964 653296 667926 685224 696276 723292 734958 763344 770877 799428 839952 890568 928368 944946 979944 1027836 1065904 1084938 1102437 1199142 1259928 1265761 1335852 1370448 1392552 1446584 1469916 1541754 1598856 1627407 1781136 1798713 1889892 1959888 2055672 2169876 2204874 2398284 2519856 2531522 2671704 2785104 2893168 2939832 3083508 3197712 3254814 3307311 3597426 3779784 3797283 4111344 4339752 4409748 4796568 4882221 5063044 5343408 5396139 5879664 6167016 6509628 6614622 7194852 7559568 7594566 8679504 8819496 9593136 9764442 10126088 10792278 11391849 12334032 13019256 13229244 14389704 14646663 15189132 17638992 19528884 20252176 21584556 22783698 26038512 26458488 28779408 29293326 30378264 34175547 39057768 43169112 45567396 52916976 58586652 60756528 68351094 78115536 86338224 91134792 102526641 117173304 136702188 182269584 205053282 234346608 273404376 410106564 546808752 820213128 1640426256
• Sum of all divisors σ(n): 5915176960
• Sum of proper divisors (its aliquot sum) s(n): 4274750704
• 1640426256 is an abundant number, because the sum of its proper divisors (4274750704) is greater than itself. Its abundance is 2634324448

Bases of 1640426256

• Binary: 1100001110001101110101100010000₂
• Hexadecimal: 0x61C6EB10
• Base-36: R4O100

Squares and roots of 1640426256

• 1640426256 squared (1640426256²) is 2690998301374177536
• 1640426256 cubed (1640426256³) is 4414384268425601710459785216
• The square root of 1640426256 is 40502.1759415467
• The cube root of 1640426256 is 1179.3758683497

Scales and comparisons

• 1,640,426,256 seconds is equal to 52 years, 8 weeks, 2 days, 9 hours, 57 minutes, 36 seconds.
• To count from 1 to 1,640,426,256 would take you about one hundred four 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 1640426256 cubic inches would be around 98.3 feet tall.

Recreational maths with 1640426256

• 1640426256 backwards is 6526240461
• 1640426256 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1640426256's digits is 36
• More coming soon!