18028726272

Names of 18028726272

• Cardinal: 18028726272 can be written as Eighteen billion, twenty-eight million, seven hundred twenty-six thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.8028726272 × 10¹⁰

Factors of 18028726272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 71

Divisors of 18028726272

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 32 36 43 46 48 64 69 72 86 92 96 128 129 138 144 172 184 192 207 256 258 276 288 344 368 384 387 414 512 516 529 552 576 688 736 768 774 828 989 1024 1032 1058 1104 1152 1376 1472 1536 1548 1587 1656 1849 1978 2048 2064 2116 2208 2304 2752 2944 2967 3072 3096 3174 3312 3698 3956 4128 4232 4416 4608 4761 5504 5547 5888 5934 6144 6192 6348 6624 7396 7912 8256 8464 8832 8901 9216 9522 11008 11094 11776 11868 12384 12696 13248 14792 15824 16512 16641 16928 17664 17802 18432 19044 22016 22188 22747 23552 23736 24768 25392 26496 29584 31648 33024 33282 33856 35328 35604 38088 42527 44032 44376 45494 47104 47472 49536 50784 52992 59168 63296 66048 66564 67712 68241 70656 71208 76176 85054 88064 88752 90988 94944 99072 101568 105984 118336 126592 127581 132096 133128 135424 136482 141312 142416 152352 170108 177504 181976 189888 198144 203136 204723 211968 236672 253184 255162 264192 266256 270848 272964 284832 304704 340216 355008 363952 379776 382743 396288 406272 409446 423936 473344 506368 510324 532512 541696 545928 569664 609408 680432 710016 727904 759552 765486 792576 812544 818892 946688 978121 1012736 1020648 1065024 1083392 1091856 1139328 1218816 1360864 1420032 1455808 1519104 1530972 1625088 1637784 1893376 1956242 2025472 2041296 2130048 2183712 2278656 2437632 2721728 2840064 2911616 2934363 3038208 3061944 3250176 3275568 3786752 3912484 4082592 4260096 4367424 4557312 4875264 5443456 5680128 5823232 5868726 6076416 6123888 6551136 7824968 8165184 8520192 8734848 8803089 9114624 9750528 10886912 11360256 11646464 11737452 12247776 13102272 15649936 16330368 17040384 17469696 17606178 18229248 21773824 23292928 23474904 24495552 26204544 31299872 32660736 34080768 34939392 35212356 43547648 46585856 46949808 48991104 52409088 62599744 65321472 69878784 70424712 87095296 93899616 97982208 104818176 125199488 130642944 139757568 140849424 187799232 195964416 209636352 250398976 261285888 281698848 375598464 391928832 419272704 500797952 563397696 751196928 783857664 1001595904 1126795392 1502393856 2003191808 2253590784 3004787712 4507181568 6009575424 9014363136 18028726272
• Sum of all divisors σ(n): 55727941815
• Sum of proper divisors (its aliquot sum) s(n): 37699215543
• 18028726272 is an abundant number, because the sum of its proper divisors (37699215543) is greater than itself. Its abundance is 19670489271

Bases of 18028726272

• Binary: 10000110010100110001000100000000000₂
• Hexadecimal: 0x432988800
• Base-36: 8A5U680

Squares and roots of 18028726272

• 18028726272 squared (18028726272²) is 325034970990703017984
• 18028726272 cubed (18028726272³) is 5859966520818845368077829275648
• The square root of 18028726272 is 134271.0924659511
• The cube root of 18028726272 is 2622.1348037803

Scales and comparisons

• 18,028,726,272 seconds is equal to 573 years, 13 weeks, 2 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,028,726,272 would take you about one thousand, one hundred forty-six 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 18028726272 cubic inches would be around 218.5 feet tall.

Recreational maths with 18028726272

• 18028726272 backwards is 27262782081
• The number of decimal digits it has is: 11
• The sum of 18028726272's digits is 45
• More coming soon!