64978421472

Names of 64978421472

• Cardinal: 64978421472 can be written as Sixty-four billion, nine hundred seventy-eight million, four hundred twenty-one thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.4978421472 × 10¹⁰

Factors of 64978421472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 651

Divisors of 64978421472

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 124 144 151 157 186 248 279 288 302 307 314 372 453 471 496 558 604 614 628 744 906 921 942 992 1116 1208 1228 1256 1359 1413 1488 1812 1842 1884 2232 2416 2456 2512 2718 2763 2826 2976 3624 3684 3768 4464 4681 4832 4867 4912 5024 5436 5526 5652 7248 7368 7536 8928 9362 9517 9734 9824 10872 11052 11304 14043 14496 14601 14736 15072 18724 19034 19468 21744 22104 22608 23707 28086 28551 29202 29472 37448 38068 38936 42129 43488 43803 44208 45216 46357 47414 48199 56172 57102 58404 71121 74896 76136 77872 84258 85653 87606 88416 92714 94828 96398 112344 114204 116808 139071 142242 144597 149792 152272 155744 168516 171306 175212 185428 189656 192796 213363 224688 228408 233616 278142 284484 289194 304544 337032 342612 350424 370856 379312 385592 417213 426726 433791 449376 456816 467232 556284 568968 578388 674064 685224 700848 734917 741712 758624 771184 834426 853452 867582 913632 1112568 1137936 1156776 1348128 1370448 1401696 1437067 1469834 1483424 1494169 1542368 1668852 1706904 1735164 2204751 2225136 2275872 2313552 2740896 2874134 2939668 2988338 3337704 3413808 3470328 4311201 4409502 4450272 4482507 4627104 5748268 5879336 5976676 6614253 6675408 6827616 6940656 7278049 8622402 8819004 8965014 11496536 11758672 11953352 12933603 13228506 13350816 13447521 13881312 14556098 17244804 17638008 17930028 21834147 22993072 23517344 23906704 25867206 26457012 26895042 29112196 34489608 35276016 35860056 43668294 45986144 47813408 51734412 52914024 53790084 58224392 65502441 68979216 70552032 71720112 87336588 103468824 105828048 107580168 116448784 131004882 137958432 143440224 174673176 206937648 211656096 215160336 225619519 232897568 262009764 349346352 413875296 430320672 451239038 524019528 676858557 698692704 902478076 1048039056 1353717114 1804956152 2030575671 2096078112 2707434228 3609912304 4061151342 5414868456 7219824608 8122302684 10829736912 16244605368 21659473824 32489210736 64978421472
• Sum of all divisors σ(n): 193858689024
• Sum of proper divisors (its aliquot sum) s(n): 128880267552
• 64978421472 is an abundant number, because the sum of its proper divisors (128880267552) is greater than itself. Its abundance is 63901846080

Bases of 64978421472

• Binary: 111100100001000001000000011011100000₂
• Hexadecimal: 0xF210406E0
• Base-36: TUMH2W0

Squares and roots of 64978421472

• 64978421472 squared (64978421472²) is 4222195256992870646784
• 64978421472 cubed (64978421472³) is 274351582945962104185907993346048
• The square root of 64978421472 is 254908.6531916873
• The cube root of 64978421472 is 4020.2807793785

Scales and comparisons

• 64,978,421,472 seconds is equal to 2,066 years, 5 weeks, 6 days, 1 hour, 31 minutes, 12 seconds.
• To count from 1 to 64,978,421,472 would take you about four thousand, one hundred thirty-two 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 64978421472 cubic inches would be around 335 feet tall.

Recreational maths with 64978421472

• 64978421472 backwards is 27412487946
• The number of decimal digits it has is: 11
• The sum of 64978421472's digits is 54
• More coming soon!