64428638208

Names of 64428638208

• Cardinal: 64428638208 can be written as Sixty-four billion, four hundred twenty-eight million, six hundred thirty-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 6.4428638208 × 10¹⁰

Factors of 64428638208

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 47

Divisors of 64428638208

• Number of divisors d(n): 272
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 31 32 33 44 48 62 64 66 88 93 96 124 128 132 176 186 192 248 256 264 341 352 372 384 496 512 528 682 704 744 768 961 992 1023 1024 1056 1364 1408 1488 1536 1922 1984 2046 2048 2112 2728 2816 2883 2976 3072 3844 3968 4092 4096 4224 5456 5632 5766 5952 6144 7688 7936 8184 8192 8448 10571 10912 11264 11532 11904 12288 15376 15872 16368 16384 16896 21142 21824 22528 23064 23808 24576 29791 30752 31713 31744 32736 32768 33792 42284 43648 45056 46128 47616 49152 59582 61504 63426 63488 65472 65536 67584 84568 87296 89373 90112 92256 95232 98304 119164 123008 126852 126976 130944 135168 169136 174592 178746 180224 184512 190464 196608 238328 246016 253704 253952 261888 270336 327701 338272 349184 357492 360448 369024 380928 476656 492032 507408 507904 523776 540672 655402 676544 698368 714984 720896 738048 761856 953312 983103 984064 1014816 1015808 1047552 1081344 1310804 1353088 1396736 1429968 1476096 1523712 1906624 1966206 1968128 2029632 2031616 2095104 2162688 2621608 2706176 2793472 2859936 2952192 3047424 3813248 3932412 3936256 4059264 4190208 5243216 5412352 5586944 5719872 5904384 6094848 7626496 7864824 7872512 8118528 8380416 10486432 10824704 11173888 11439744 11808768 15252992 15729648 15745024 16237056 16760832 20972864 21649408 22347776 22879488 23617536 30505984 31459296 31490048 32474112 33521664 41945728 43298816 45758976 47235072 61011968 62918592 62980096 64948224 67043328 83891456 86597632 91517952 94470144 122023936 125837184 129896448 167782912 173195264 183035904 188940288 244047872 251674368 259792896 335565824 346390528 366071808 488095744 503348736 519585792 671131648 692781056 732143616 976191488 1006697472 1039171584 1342263296 1464287232 1952382976 2013394944 2078343168 2684526592 2928574464 4026789888 5369053184 5857148928 8053579776 10738106368 16107159552 21476212736 32214319104 64428638208
• Sum of all divisors σ(n): 193674703872
• Sum of proper divisors (its aliquot sum) s(n): 129246065664
• 64428638208 is an abundant number, because the sum of its proper divisors (129246065664) is greater than itself. Its abundance is 64817427456

Bases of 64428638208

• Binary: 111100000000001111110000000000000000₂
• Hexadecimal: 0xF003F0000
• Base-36: TLJ5BEO

Squares and roots of 64428638208

• 64428638208 squared (64428638208²) is 4151049421337357451264
• 64428638208 cubed (64428638208³) is 267446461350872358742261248294912
• The square root of 64428638208 is 253827.9697117715
• The cube root of 64428638208 is 4008.9101004573

Scales and comparisons

• 64,428,638,208 seconds is equal to 2,048 years, 32 weeks, 5 days, 19 hours, 56 minutes, 48 seconds.
• To count from 1 to 64,428,638,208 would take you about four thousand and ninety-seven 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 64428638208 cubic inches would be around 334.1 feet tall.

Recreational maths with 64428638208

• 64428638208 backwards is 80283682446
• The number of decimal digits it has is: 11
• The sum of 64428638208's digits is 51
• More coming soon!