20408403168

Names of 20408403168

• Cardinal: 20408403168 can be written as Twenty billion, four hundred eight million, four hundred three thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.0408403168 × 10¹⁰

Factors of 20408403168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 106

Divisors of 20408403168

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 37 47 48 51 54 68 72 74 94 96 102 108 111 136 141 144 148 153 188 204 216 222 272 282 288 289 296 306 333 376 408 423 432 444 459 544 564 578 592 612 629 666 752 799 816 846 864 867 888 918 999 1128 1156 1184 1224 1258 1269 1332 1504 1598 1632 1692 1734 1739 1776 1836 1887 1998 2209 2256 2312 2397 2448 2516 2538 2601 2664 3196 3384 3468 3478 3552 3672 3774 3996 4418 4512 4624 4794 4896 5032 5076 5202 5217 5328 5661 6392 6627 6768 6936 6956 7191 7344 7548 7803 7992 8836 9248 9588 10064 10152 10404 10434 10656 10693 11322 12784 13254 13536 13583 13872 13912 14382 14688 15096 15606 15651 15984 16983 17672 19176 19881 20128 20304 20808 20868 21386 21573 22644 25568 26508 27166 27744 27824 28764 29563 30192 31212 31302 31968 32079 33966 35344 37553 38352 39762 40608 40749 41616 41736 42772 43146 45288 46953 53016 54332 55648 57528 59126 59643 60384 62424 62604 64158 67932 70688 75106 76704 79524 81498 81733 83232 83472 85544 86292 88689 90576 93906 96237 106032 108664 112659 115056 118252 119286 122247 124848 125208 128316 135864 150212 159048 162996 163466 166944 171088 172584 177378 181152 187812 192474 212064 217328 225318 230112 236504 238572 244494 245199 249696 250416 256632 266067 271728 288711 300424 318096 325992 326932 337977 342176 345168 354756 366741 375624 384948 434656 450636 473008 477144 488988 490398 500832 502571 513264 532134 543456 577422 600848 636192 638401 651984 653864 675954 690336 709512 733482 735597 751248 769896 798201 901272 946016 954288 977976 980796 1005142 1013931 1026528 1064268 1154844 1201696 1276802 1303968 1307728 1351908 1389461 1419024 1466964 1471194 1502496 1507713 1539792 1596402 1802544 1908576 1915203 1955952 1961592 2010284 2027862 2128536 2206791 2309688 2553604 2615456 2703816 2778922 2838048 2933928 2942388 3015426 3079584 3192804 3605088 3830406 3911904 3923184 4020568 4055724 4168383 4257072 4413582 4523139 4619376 5107208 5407632 5557844 5745609 5867856 5884776 6030852 6385608 7660812 7846368 8041136 8111448 8336766 8514144 8827164 9046278 9238752 10214416 10815264 11115688 11491218 11735712 11769552 12061704 12505149 12771216 13569417 15321624 16082272 16222896 16673532 17236827 17654328 18092556 20428832 22231376 22982436 23539104 23620837 24123408 25010298 25542432 27138834 30643248 32445792 33347064 34473654 35308656 36185112 37515447 44462752 45964872 47241674 48246816 50020596 54277668 61286496 66694128 68947308 70617312 70862511 72370224 75030894 91929744 94483348 100041192 108555336 133388256 137894616 141725022 144740448 150061788 183859488 188966696 200082384 212587533 217110672 275789232 283450044 300123576 377933392 400164768 425175066 434221344 551578464 566900088 600247152 637762599 755866784 850350132 1133800176 1200494304 1275525198 1700700264 2267600352 2551050396 3401400528 5102100792 6802801056 10204201584 20408403168
• Sum of all divisors σ(n): 66352008240
• Sum of proper divisors (its aliquot sum) s(n): 45943605072
• 20408403168 is an abundant number, because the sum of its proper divisors (45943605072) is greater than itself. Its abundance is 25535201904

Bases of 20408403168

• Binary: 10011000000011011111000010011100000₂
• Hexadecimal: 0x4C06F84E0
• Base-36: 9DIMWO0

Squares and roots of 20408403168

• 20408403168 squared (20408403168²) is 416502919867632436224
• 20408403168 cubed (20408403168³) is 8500159509307839952093439557632
• The square root of 20408403168 is 142857.9825141039
• The cube root of 20408403168 is 2732.7695405613

Scales and comparisons

• 20,408,403,168 seconds is equal to 648 years, 48 weeks, 8 hours, 52 minutes, 48 seconds.
• To count from 1 to 20,408,403,168 would take you about one thousand, two hundred ninety-seven 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 20408403168 cubic inches would be around 227.7 feet tall.

Recreational maths with 20408403168

• 20408403168 backwards is 86130480402
• 20408403168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20408403168's digits is 36
• More coming soon!