64994929920

Names of 64994929920

• Cardinal: 64994929920 can be written as Sixty-four billion, nine hundred ninety-four million, nine hundred twenty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.499492992 × 10¹⁰

Factors of 64994929920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1053

Divisors of 64994929920

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 45 48 58 60 64 72 80 87 90 96 116 120 128 144 145 160 174 180 192 232 240 256 257 261 288 290 320 348 360 384 435 464 480 514 522 576 580 640 696 720 757 768 771 870 928 960 1028 1044 1152 1160 1280 1285 1305 1392 1440 1514 1542 1740 1856 1920 2056 2088 2271 2304 2313 2320 2570 2610 2784 2880 3028 3084 3480 3712 3785 3840 3855 4112 4176 4542 4626 4640 5140 5220 5568 5760 6056 6168 6813 6960 7424 7453 7570 7710 8224 8352 9084 9252 9280 10280 10440 11136 11355 11520 11565 12112 12336 13626 13920 14906 15140 15420 16448 16704 18168 18504 18560 20560 20880 21953 22272 22359 22710 23130 24224 24672 27252 27840 29812 30280 30840 32896 33408 34065 36336 37008 37120 37265 41120 41760 43906 44718 45420 46260 48448 49344 54504 55680 59624 60560 61680 65792 65859 66816 67077 68130 72672 74016 74530 82240 83520 87812 89436 90840 92520 96896 98688 109008 109765 111360 111795 119248 121120 123360 131718 134154 136260 145344 148032 149060 164480 167040 175624 178872 181680 185040 193792 194549 197376 197577 218016 219530 223590 238496 242240 246720 263436 268308 272520 290688 296064 298120 328960 329295 334080 335385 351248 357744 363360 370080 389098 395154 436032 439060 447180 476992 484480 493440 526872 536616 545040 581376 583647 592128 596240 658590 670770 702496 715488 726720 740160 778196 790308 872064 878120 894360 953984 968960 972745 986880 987885 1053744 1073232 1090080 1167294 1192480 1317180 1341540 1404992 1430976 1453440 1480320 1556392 1580616 1744128 1750941 1756240 1788720 1907968 1945490 1975770 2107488 2146464 2180160 2334588 2384960 2634360 2683080 2809984 2861952 2906880 2918235 2960640 3112784 3161232 3501882 3512480 3577440 3890980 3951540 4214976 4292928 4360320 4669176 4769920 5268720 5366160 5619968 5641921 5723904 5836470 6225568 6322464 7003764 7024960 7154880 7781960 7903080 8429952 8585856 8720640 8754705 9338352 9539840 10537440 10732320 11283842 11672940 12451136 12644928 14007528 14049920 14309760 15563920 15806160 16859904 16925763 17171712 17509410 18676704 21074880 21464640 22567684 23345880 24902272 25289856 28015056 28099840 28209605 28619520 31127840 31612320 33851526 35018820 37353408 42149760 42929280 45135368 46691760 49804544 50579712 50777289 56030112 56419210 62255680 63224640 67703052 70037640 74706816 84299520 84628815 85858560 90270736 93383520 101554578 112060224 112838420 124511360 126449280 135406104 140075280 149413632 169257630 180541472 186767040 203109156 224120448 225676840 249022720 252898560 253886445 270812208 280150560 338515260 361082944 373534080 406218312 448240896 451353680 507772890 541624416 560301120 677030520 722165888 747068160 812436624 902707360 1015545780 1083248832 1120602240 1354061040 1444331776 1624873248 1805414720 2031091560 2166497664 2241204480 2708122080 3249746496 3610829440 4062183120 4332995328 5416244160 6499492992 7221658880 8124366240 10832488320 12998985984 16248732480 21664976640 32497464960 64994929920
• Sum of all divisors σ(n): 233843697360
• Sum of proper divisors (its aliquot sum) s(n): 168848767440
• 64994929920 is an abundant number, because the sum of its proper divisors (168848767440) is greater than itself. Its abundance is 103853837520

Bases of 64994929920

• Binary: 111100100001111111111110110100000000₂
• Hexadecimal: 0xF21FFED00
• Base-36: TUWAWW0

Squares and roots of 64994929920

• 64994929920 squared (64994929920²) is 4224340915305711206400
• 64994929920 cubed (64994929920³) is 274560741748483355235726655488000
• The square root of 64994929920 is 254941.0322407909
• The cube root of 64994929920 is 4020.6212153515

Scales and comparisons

• 64,994,929,920 seconds is equal to 2,066 years, 33 weeks, 1 day, 3 hours, 12 minutes.
• To count from 1 to 64,994,929,920 would take you about four thousand, one hundred thirty-three 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 64994929920 cubic inches would be around 335.1 feet tall.

Recreational maths with 64994929920

• 64994929920 backwards is 02992949946
• The number of decimal digits it has is: 11
• The sum of 64994929920's digits is 63
• More coming soon!