642668373288

Names of 642668373288

• Cardinal: 642668373288 can be written as Six hundred forty-two billion, six hundred sixty-eight million, three hundred seventy-three thousand, two hundred eighty-eight.

Scientific notation

• Scientific notation: 6.42668373288 × 10¹¹

Factors of 642668373288

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 173

Divisors of 642668373288

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 81 93 108 124 137 162 186 216 243 248 274 279 324 372 411 486 548 558 648 729 744 822 837 961 972 1096 1116 1233 1458 1644 1674 1922 1944 2187 2232 2466 2511 2883 2916 3288 3348 3699 3844 4247 4374 4932 5022 5766 5832 6561 6696 7398 7533 7688 8494 8649 8748 9864 10044 11097 11532 12741 13122 14796 15066 16988 17298 17496 19683 20088 22194 22599 23064 25482 25947 26244 29592 29791 30132 33291 33976 34596 38223 39366 44388 45198 50964 51894 52488 59582 60264 66582 67797 69192 76446 77841 78732 88776 89373 90396 99873 101928 103788 114669 119164 131657 133164 135594 152892 155682 157464 178746 180792 199746 203391 207576 229338 233523 238328 263314 266328 268119 271188 299619 305784 311364 344007 357492 394971 399492 406782 458676 467046 526628 536238 542376 599238 610173 622728 688014 700569 714984 789942 798984 804357 813564 898857 917352 934092 1032021 1053256 1072476 1184913 1198476 1220346 1376028 1401138 1579884 1608714 1627128 1797714 1868184 2064042 2101707 2144952 2369826 2396952 2413071 2440692 2696571 2752056 2802276 3096063 3159768 3217428 3554739 3595428 4081367 4128084 4203414 4739652 4826142 4881384 5393142 5604552 6192126 6305121 6434856 7109478 7190856 7239213 8162734 8256168 8406828 9288189 9479304 9652284 10664217 10786284 12244101 12384252 12610242 14218956 14478426 16325468 16813656 18576378 18915363 19304568 21328434 21572568 21717639 24488202 24768504 25220484 27864567 28437912 28956852 31992651 32650936 36732303 37152756 37830726 42656868 43435278 48976404 50440968 55729134 57913704 63985302 65152917 73464606 74305512 75661452 83593701 85313736 86870556 95977953 97952808 110196909 111458268 127970604 130305834 146929212 151322904 167187402 173741112 191955906 195458751 220393818 222916536 255941208 260611668 287933859 293858424 330590727 334374804 383911812 390917502 440787636 521223336 575867718 586376253 661181454 668749608 767823624 781835004 863801577 881575272 991772181 1151735436 1172752506 1322362908 1563670008 1727603154 1983544362 2303470872 2345505012 2591404731 2644725816 2975316543 3455206308 3967088724 4691010024 5182809462 5950633086 6910412616 7934177448 8925949629 10365618924 11901266172 17851899258 20731237848 23802532344 26777848887 35703798516 53555697774 71407597032 80333546661 107111395548 160667093322 214222791096 321334186644 642668373288
• Sum of all divisors σ(n): 1881354309120
• Sum of proper divisors (its aliquot sum) s(n): 1238685935832
• 642668373288 is an abundant number, because the sum of its proper divisors (1238685935832) is greater than itself. Its abundance is 596017562544

Bases of 642668373288

• Binary: 1001010110100010000001010010010100101000₂
• Hexadecimal: 0x95A2052528
• Base-36: 878K5MI0

Squares and roots of 642668373288

• 642668373288 squared (642668373288²) is 413022638024644111930944
• 642668373288 cubed (642668373288³) is 265436586910416485069787173070223872
• The square root of 642668373288 is 801665.9985854457
• The cube root of 642668373288 is 8629.6988951865

Scales and comparisons

• 642,668,373,288 seconds is equal to 20,434 years, 45 weeks, 8 hours, 34 minutes, 48 seconds.
• To count from 1 to 642,668,373,288 would take you about forty thousand, eight hundred sixty-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 642668373288 cubic inches would be around 719.1 feet tall.

Recreational maths with 642668373288

• 642668373288 backwards is 882373866246
• The number of decimal digits it has is: 12
• The sum of 642668373288's digits is 63
• More coming soon!