642492507904

Names of 642492507904

• Cardinal: 642492507904 can be written as Six hundred forty-two billion, four hundred ninety-two million, five hundred seven thousand, nine hundred four.

Scientific notation

• Scientific notation: 6.42492507904 × 10¹¹

Factors of 642492507904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 383

Divisors of 642492507904

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 61 64 104 122 128 169 208 244 256 307 338 416 488 614 676 793 832 976 1228 1352 1586 1664 1952 2197 2456 2704 3172 3328 3721 3904 3991 4394 4912 5408 6344 7442 7808 7982 8788 9824 10309 10816 12688 14884 15616 15964 17576 18727 19648 20618 21632 25376 29768 31928 35152 37454 39296 41236 43264 48373 50752 51883 59536 63856 70304 74908 78592 82472 96746 101504 103766 119072 127712 134017 140608 149816 164944 193492 203008 207532 238144 243451 255424 268034 281216 299632 329888 386984 415064 476288 486902 510848 536068 562432 599264 628849 659776 674479 773968 830128 952576 973804 1021696 1072136 1142347 1198528 1257698 1319552 1348958 1547936 1660256 1947608 2144272 2284694 2397056 2515396 2639104 2697916 3095872 3164863 3320512 3895216 4288544 4569388 4794112 5030792 5395832 6191744 6329726 6641024 7790432 8175037 8577088 9138776 10061584 10791664 12383488 12659452 13282048 14850511 15580864 16350074 17154176 18277552 20123168 21583328 25318904 29701022 31161728 32700148 34308352 36555104 40246336 41143219 43166656 50637808 59402044 62323456 65400296 73110208 80492672 82286438 86333312 101275616 118804088 130800592 146220416 160985344 164572876 172666624 193056643 202551232 237608176 261601184 292440832 329145752 386113286 405102464 475216352 523202368 658291504 772226572 810204928 950432704 1046404736 1316583008 1544453144 1900865408 2092809472 2509736359 2633166016 3088906288 3801730816 5019472718 5266332032 6177812576 10038945436 10532664064 12355625152 20077890872 24711250304 40155781744 49422500608 80311563488 160623126976 321246253952 642492507904
• Sum of all divisors σ(n): 1417049153520
• Sum of proper divisors (its aliquot sum) s(n): 774556645616
• 642492507904 is an abundant number, because the sum of its proper divisors (774556645616) is greater than itself. Its abundance is 132064137712

Bases of 642492507904

• Binary: 1001010110010111100010011010011100000000₂
• Hexadecimal: 0x959789A700
• Base-36: 875NG7WG

Squares and roots of 642492507904

• 642492507904 squared (642492507904²) is 412796622712771502473216
• 642492507904 cubed (642492507904³) is 265218737381029850474518686428299264
• The square root of 642492507904 is 801556.3036393639
• The cube root of 642492507904 is 8628.9116546593

Scales and comparisons

• 642,492,507,904 seconds is equal to 20,429 years, 14 weeks, 1 day, 21 hours, 5 minutes, 4 seconds.
• To count from 1 to 642,492,507,904 would take you about forty thousand, eight hundred fifty-eight 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 642492507904 cubic inches would be around 719.1 feet tall.

Recreational maths with 642492507904

• 642492507904 backwards is 409705294246
• 642492507904 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642492507904's digits is 52
• More coming soon!