1640830464

Names of 1640830464

• Cardinal: 1640830464 can be written as One billion, six hundred forty million, eight hundred thirty thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 1.640830464 × 10⁹

Factors of 1640830464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 68

Divisors of 1640830464

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 32 36 39 42 43 48 49 52 56 63 64 72 78 84 86 91 96 98 104 112 117 126 128 129 144 147 156 168 169 172 182 192 196 208 224 234 252 256 258 273 288 294 301 312 336 338 344 364 384 387 392 416 441 448 468 504 507 512 516 546 559 576 588 602 624 637 672 676 688 728 768 774 784 819 832 882 896 903 936 1008 1014 1032 1092 1118 1152 1176 1183 1204 1248 1274 1344 1352 1376 1456 1521 1536 1548 1568 1638 1664 1677 1764 1792 1806 1872 1911 2016 2028 2064 2107 2184 2236 2304 2352 2366 2408 2496 2548 2688 2704 2709 2752 2912 3042 3096 3136 3276 3328 3354 3528 3549 3584 3612 3744 3822 3913 4032 4056 4128 4214 4368 4472 4608 4704 4732 4816 4992 5031 5096 5376 5408 5418 5504 5733 5824 6084 6192 6272 6321 6552 6656 6708 7056 7098 7224 7267 7488 7644 7826 8064 8112 8256 8281 8428 8736 8944 9408 9464 9632 9984 10062 10192 10647 10752 10816 10836 11008 11466 11648 11739 12168 12384 12544 12642 13104 13416 14112 14196 14448 14534 14976 15288 15652 16128 16224 16512 16562 16856 17472 17888 18816 18928 18963 19264 19968 20124 20384 21294 21632 21672 21801 22016 22932 23296 23478 24336 24768 24843 25088 25284 26208 26832 27391 28224 28392 28896 29068 29952 30576 31304 32256 32448 33024 33124 33712 34944 35217 35776 37632 37856 37926 38528 40248 40768 42588 43264 43344 43602 45864 46592 46956 48672 49536 49686 50568 50869 52416 53664 54782 56448 56784 57792 58136 59904 61152 62608 64896 65403 66048 66248 67424 69888 70434 71552 74529 75264 75712 75852 77056 80496 81536 82173 85176 86528 86688 87204 91728 93912 97344 99072 99372 101136 101738 104832 107328 109564 112896 113568 115584 116272 122304 125216 129792 130806 132496 134848 139776 140868 143104 149058 151424 151704 152607 154112 160992 163072 164346 170352 173376 174408 183456 187824 194688 198144 198744 202272 203476 209664 214656 219128 225792 227136 231168 232544 244608 246519 250432 259584 261612 264992 269696 281736 286208 298116 302848 303408 305214 321984 326144 328692 340704 346752 348816 356083 366912 375648 389376 397488 404544 406952 419328 429312 438256 454272 457821 462336 465088 489216 493038 500864 523224 529984 539392 563472 596232 605696 606816 610428 643968 657384 681408 693504 697632 712166 733824 751296 778752 794976 809088 813904 858624 876512 908544 915642 930176 978432 986076 1001728 1046448 1059968 1068249 1078784 1126944 1192464 1213632 1220856 1287936 1314768 1362816 1387008 1395264 1424332 1467648 1502592 1589952 1618176 1627808 1753024 1817088 1831284 1860352 1972152 2003456 2092896 2119936 2136498 2253888 2384928 2427264 2441712 2575872 2629536 2725632 2790528 2848664 2935296 3005184 3179904 3204747 3236352 3255616 3506048 3662568 3720704 3944304 4185792 4239872 4272996 4507776 4769856 4854528 4883424 5259072 5451264 5581056 5697328 6010368 6359808 6409494 6511232 7012096 7325136 7888608 8371584 8545992 9015552 9539712 9709056 9766848 10518144 11162112 11394656 12719616 12818988 13022464 14024192 14650272 15777216 16743168 17091984 18031104 19079424 19533696 21036288 22789312 25637976 26044928 29300544 31554432 33486336 34183968 38158848 39067392 42072576 45578624 51275952 58601088 63108864 68367936 78134784 91157248 102551904 117202176 126217728 136735872 182314496 205103808 234404352 273471744 410207616 546943488 820415232 1640830464
• Sum of all divisors σ(n): 6103762236
• Sum of proper divisors (its aliquot sum) s(n): 4462931772
• 1640830464 is an abundant number, because the sum of its proper divisors (4462931772) is greater than itself. Its abundance is 2822101308

Bases of 1640830464

• Binary: 1100001110011010001011000000000₂
• Hexadecimal: 0x61CD1600
• Base-36: R4WOW0

Squares and roots of 1640830464

• 1640830464 squared (1640830464²) is 2692324611590455296
• 1640830464 cubed (1640830464³) is 4417648241674586541306937344
• The square root of 1640830464 is 40507.1655883253
• The cube root of 1640830464 is 1179.4727281363

Scales and comparisons

• 1,640,830,464 seconds is equal to 52 years, 9 weeks, 2 hours, 14 minutes, 24 seconds.
• To count from 1 to 1,640,830,464 would take you about one hundred four 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 1640830464 cubic inches would be around 98.3 feet tall.

Recreational maths with 1640830464

• 1640830464 backwards is 4640380461
• 1640830464 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1640830464's digits is 36
• More coming soon!